NFOMINER

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This tool extracts hidden metadata from online documents (PDF, Word, Excel, Images) to reveal information about the document's origin, author, and creation details.

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# NFOMINER - Document Metadata Extraction Tool

![Python](https://img.shields.io/badge/Python-3.8%2B-blue)
![Flask](https://img.shields.io/badge/Flask-2.0%2B-lightgrey)
![OSINT](https://img.shields.io/badge/OSINT-Tool-orange)
![License](https://img.shields.io/badge/License-MIT-green)

A powerful web-based tool for extracting hidden metadata from online documents. Perfect for digital investigators, journalists, and security professionals.

![NFOMINER Demo](https://raw.githubusercontent.com/techenthusiast167/NFOMINER/main/static/images/demo.gif)

## Table of Contents

- [Overview](#-overview)
- [Importance in OSINT & Cybersecurity](#-importance-in-osint--cybersecurity)
- [Features](#-features)
- [Installation](#-installation)
- [Usage](#-usage)
- [Document Type Examples](#-document-type-examples)
- [API Reference](#-api-reference)
- [Contributing](#-contributing)
- [License](#-license)

## Overview

**NFOMINER** automates the process of extracting hidden metadata from various document types. Simply provide a URL, and the tool downloads, analyzes, and presents all available metadata in an organized format.

## Importance in OSINT & Cybersecurity

### Digital Investigations

| Use Case | Importance |
|----------|------------|
| **Author Identification** | Discover who created a document and their contact information |
| **Timeline Analysis** | Establish creation and modification timelines for evidence |
| **Document Authenticity** | Verify if documents have been tampered with or modified |
| **Source Verification** | Confirm the origin of leaked or suspicious documents |

### Cybersecurity Applications

- **Threat Intelligence**: Analyze malicious documents for attacker fingerprints
- **Incident Response**: Trace the origin of data breaches through document metadata
- **Forensic Analysis**: Extract evidence from documents in cybercrime cases
- **Policy Enforcement**: Detect policy violations through unauthorized document sharing

### Real-World Impact

- **Journalism**: Verify source documents and whistleblower submissions
- **Law Enforcement**: Gather evidence from digital documents in investigations
- **Corporate Security**: Monitor for unauthorized information sharing
- **Academic Research**: Ensure proper attribution and source verification

## Features

- **Multi-Format Support**: PDF, Word, Excel, Images, and more
- **Web-Based Interface**: Easy-to-use web application
- **Bulk Analysis**: Process multiple documents simultaneously
- **Export Capabilities**: Download results in CSV/JSON format
- **REST API**: Programmatic access for automation
- **Self-Hosted**: Complete control over your data and analysis

### Supported Document Types

| Format | Metadata Extracted |
|--------|-------------------|
| **PDF** | Author, Creator, Producer, Creation Date, Modification Date, Keywords |
| **DOCX** | Author, Created Date, Modified Date, Last Modified By, Revision, Title |
| **XLSX** | Company, Manager, Application, Version, Various custom properties |
| **Images** | EXIF data, GPS coordinates, Camera make/model, Software used |
| **Legacy Office** | Title, Subject, Author, Comments, Revision History |

## Installation

### Prerequisites

- Python 3.8 or higher
- pip package manager

### Quick Start

# Manual Installation

Follow the link below, copy and install the script manually using nano: 
**https://gist.github.com/techenthusiast167/15538980658e65fef95f3c3e838ce196**

**Example**:

- nano **nfominer.py**
- Press **Ctrl + O, Enter, Ctrl + X** to save and exit

# Install dependencies

pip install flask requests PyPDF2 python-docx olefile Pillow exifread pandas

# Usage

Create or activate your virtual environment:

virtualenv my_temp_venv
     source my_temp_venv/bin/activate

**Web Interface**:

- Start the server: **python nfominer.py**

- Open browser: Navigate to **http://localhost:5000**

- Enter URL: **Paste document URL and select file type**

- Analyze: Click "**Extract Metadata**" to view results

---

# Document Type Examples

**1. PDF Document Analysis**

Example URL: https://www.w3.org/WAI/ER/tests/xhtml/testfiles/resources/pdf/dummy.pdf

**Extracted Metadata**:

"Title": "Dummy PDF file",
  "Author": "Author Name",
  "Creator": "PDFKit.NET",
  "Producer": "PDFKit.NET 3.0 for .NET",
  "CreationDate": "D:20220115103425+01'00'",
  "ModDate": "D:20220115103425+01'00'",
  "Keywords": "dummy, test, pdf"

OSINT Value: Author identification, software fingerprint, timeline analysis
---

**2. Word Document (DOCX) Analysis**

Example URL: https://calibre-ebook.com/downloads/demos/demo.docx

**Extracted Metadata**:

"Author": "John Doe",
  "Created": "2022-03-15 14:30:45+00:00",
  "Modified": "2022-03-20 09:15:22+00:00",
  "Last Modified By": "Jane Smith",
  "Revision": "3",
  "Title": "Quarterly Report Q1 2022",
  "Company": "Acme Corporation"

OSINT Value: Organizational intelligence, workflow analysis, employee identification
---

**3. Image Metadata Extraction**

Example URL: https://example.com/sample-image.jpg

**Extracted EXIF Data**:

"Image Make": "Canon",
  "Image Model": "Canon EOS 5D Mark IV",
  "DateTimeOriginal": "2023:06:15 14:35:22",
  "GPSLatitude": "34.0522",
  "GPSLongitude": "-118.2437",
  "Software": "Adobe Photoshop 2023",
  "Artist": "Photographer Name"

**OSINT Value: Geolocation intelligence, device fingerprinting, photographer identification**

---

**4. Excel Spreadsheet Analysis**

Example URL: https://file-examples.com/wp-content/storage/2017/02/file_example_XLSX_10.xlsx

**Extracted Metadata**:

"Author": "Data Analyst Team",
  "Last Modified By": "mary.johnson@company.com",
  "Company": "Global Solutions Inc.",
  "Application": "Microsoft Excel",
  "Created": "2021-11-10 08:45:00+00:00"

**OSINT Value: Email discovery, organizational structure, business context**

---

**5. Older Office Documents (DOC, XLS)**

Example URL: https://www.example.com/documents/old-report.doc

**Extract Metadata**:

"Title": "Confidential Market Analysis",
  "Subject": "Competitor Research",
  "Author": "John Analyst",
  "Keywords": "competitor, market, research, 2020",
  "Comments": "For internal use only - do not distribute",
  "Last Author": "Sarah Manager",
  "Revision Number": "5",
  "Application": "Microsoft Word 2010",
  "Create Time/Date": "2020-08-12 10:30:00",
  "Last Save Time/Date": "2020-08-15 16:45:00",
  "Template": "Normal.dotm",
  "Company": "Strategic Insights Ltd."

**OSINT Value: Sensitivity indicators - "Confidential", "do not distribute". Workflow analysis - Multiple revisions and authors. Temporal analysis - Document creation and modification timeline. Organizational context - Company name and employee roles**

---

# MIT License

- Permission is hereby granted...

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