PDF Brute Force Cracker


import itertools
import string
from PyPDF2 import PdfReader

def brute_force_pdf(pdf_path, max_length=8):
    characters = string.ascii_lowercase + string.digits
 # You can add digits, symbols, etc.

    print(f"Starting brute force on {pdf_path}")

    # Try only passwords of exact length (e.g., 3)
    length = max_length

    for guess_tuple in itertools.product(characters, repeat=length):
        guess = ''.join(guess_tuple)
        try:
            reader = PdfReader(pdf_path)
            if reader.decrypt(guess) == 1:
                print(f"✅ Password cracked! The password is: {guess}")
                return guess
        except Exception as e:
            pass  # Ignore errors, continue guessing
        print(f"Trying password: {guess}")
        
    print("❌ Password not found within given max length.")
    return None

# Example usage:
pdf_file = "your.pdf"  # Replace with your actual file path
brute_force_pdf(pdf_file, max_length=8)


Trying password: aaaaarxp
Trying password: aaaaarxq
Trying password: aaaaarxr
Trying password: aaaaarxs
Trying password: aaaaarxt