This PDF contains the flag, but you’ll probably need to fix it first to figure out how it’s embedded. Fortunately, the file contains everything you need to render it. Follow the clues to find the flag, and hopefully learn something about the PDF format in the process.
Action | Rating | Author team |
---|---|---|
Read writeup |
not rated
|
Silence Mayday |
Read writeup |
not rated
|
justCatTheFish |
Read writeup |
4.7
|
LetzPwn |
Official write-up, from the challenge author - Evan Sultanik: https://blog.trailofbits.com/2021/02/02/pdf-is-broken-a-justctf-challenge/