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Labs / PDF Password Cracker

  • Daily Challenge
  • Released 13 Aug 2025

🔓 Can you crack the password protecting this confidential document?

📄 Master PDF password cracking techniques with specialized security tools
🔍 Learn dictionary attacks and systematic password breaking methodologies
💀 Over 80% of password-protected documents use weak, crackable passwords
🎯 Develop essential digital forensics skills for real-world security assessments

1
Flags
1
Points
Daily Challenge
Solution Available
Free Access
Start Lab Environment

Launch your dedicated AWS machine to begin hacking

~1-2 min setup
AWS dedicated
Private instance
Industry standard
Daily Challenge

PDF Password Cracker - Challenge Description

Challenge Overview

Welcome to PDF Password Cracker! In this challenge, you'll encounter a password-protected PDF document that contains confidential security information. The document has been encrypted to prevent unauthorized access, but your mission is to crack the password protection and extract the hidden flag from within the document.

Learning Objectives

  • Master PDF password cracking techniques and methodologies
  • Learn to use specialized tools for encrypted document analysis
  • Understand dictionary attacks and wordlist-based password cracking
  • Practice systematic approaches to password security assessment

Challenge Details

You are provided with a password-protected PDF file containing what appears to be an internal security document. The document is encrypted and cannot be opened without the correct password. Your task is to crack the password protection using appropriate tools and techniques, then extract the flag from the document content.

Technical Background

PDF password protection uses encryption algorithms to secure document content. Weak passwords can be vulnerable to dictionary attacks, brute force attacks, and wordlist-based cracking techniques. This challenge demonstrates common vulnerabilities in password-protected documents and the importance of using strong, complex passwords for sensitive information.