Secret

Description

Secret [Forensics]

We managed to get an informant to obtain a document which we believe might contain information confirming alien existence, but it is too censored.

Secret.pdf

Solution

Given PDF seems to be normal pdf, but some words are redacted. In some cases you can highlight the words and show what's written. In this case I did Ctrl+A:

Flag: SIVBGR{C0nta1n_Th3_Al13ns}