Sp4c3 Inv4d3r5!

Description

Level: noob
Author: PS

My favourite game in the 80s was Space Invaders!

Simply call pdftotext spaceinvards.pdf and cat spaceinvaders.txt to get:

he20
22{I nv4d 3rs_
fr0m _sp4 c3!}

Then reassemble the flag he2022{Inv4d3rs_fr0m_sp4c3!}.