pdf-stream-detect

Detect steganographic data in PDF stream objects using statistical analysis.

Updated Apr 20, 2026

Search Tags:#pdf #steganography #forensics #data-extraction #detect #steganalysis #payload-detection

Ready to run

npx skills add https://github.com/DCx7C5/ai-marketplace --skill pdf-stream-detect

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: pdf-stream-detect
Source: https://github.com/DCx7C5/ai-marketplace/tree/main/skills/steganography/document/pdf/stream/detect
Command: npx skills add https://github.com/DCx7C5/ai-marketplace --skill pdf-stream-detect

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Detects steganographically hidden data in carrier files using statistical analysis and tool-assisted extraction.

Core Features & Use Cases

Statistical steganalysis of PDF streams to reveal hidden payloads.
Tool-assisted extraction of embedded data from stream objects.
Use Case: Forensic analysts can scan large corpora of PDFs to uncover covert communications.

Quick Start

Use the pdf-stream-detect skill to scan a sample PDF for hidden data.

Frequently Asked Questions about pdf-stream-detect

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I detect hidden data in PDF streams?▼

Steganalysis detects hidden payloads in PDF files by applying statistical analysis to stream objects. This reveals covert communications and embedded data during forensic investigations and content integrity checks.

Can I extract embedded data from PDF stream objects?▼

Tool-assisted extraction isolates and extracts embedded data directly from PDF stream objects. This allows forensic analysts to retrieve hidden steganographic payloads from carrier files during investigations.

What is statistical steganalysis for PDF files?▼

Statistical steganalysis scans PDF stream objects to identify anomalies indicating hidden payloads. It reveals covert communications during forensic investigations and content integrity checks across large PDF corpora.

Can I scan large corpora of PDFs for covert communications?▼

Forensic analysts can scan large corpora of PDFs to uncover covert communications. Statistical steganalysis and tool-assisted extraction identify and retrieve hidden payloads across numerous PDF carrier files.

Does PDF steganalysis work for content integrity checks?▼

PDF steganalysis supports content integrity checks by detecting steganographic data within stream objects. It identifies hidden payloads in carrier files, verifying whether documents contain unauthorized embedded data.

What are the limitations of statistical steganalysis for PDF streams?▼

Limitations of statistical steganalysis include potential false negatives when payloads are deeply embedded within PDF stream objects. Detection effectiveness depends on the steganography techniques used in carrier files.