Secret Message 1 [730 Solves]

Description

We swiped a top-secret file from the vaults of a very secret organization, but all the juicy details are craftily concealed. Can you help me uncover them?

Author: SteakEnthusiast

Attachments: secret.pdf

Solution

The flag is hidden but it can be revealed by rectangular selection with text.

Flag

uoftctf{fired_for_leaking_secrets_in_a_pdf}