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Level 3 - Password Protected PDF
Challenge
You are given a PDF
Solution
You need to first extract the crackable information from the file using John the Ripper tool.
1
$ pdf2john.py unknown.pdf > hash
Now, crack the hash using John the Ripper tool.
1
$ john hash --wordlist=/usr/share/wordlists/rockyou.txt hash
Now, you can see the password for the PDF file is mystery. Use this password to open the PDF file and you will get the flag.
Flag
zyp{string_1408}