Secret PDF

file

At the beginning of this task we have a secret.pdf file in which a dialog between two people is recorded

After reading each monologue I couldn't find good hints

1 - Way

and started selecting text with the cursor.

To my surprise I was able to copy the text inside the black rectangle.

The flag was: ( uoftctf{fired_for_leaking_secrets_in_a_pdf} )

2 - Way

1)Open PDF Editor 2)Find fill effect 3)Remove this Color Fill fx 4)Copy paste and take the points for flag

Original writeup (https://github.com/Third-Eye-1/CTF_WRITEUPS/tree/main/UofTCTF_2024/secret.pdf).