The Google algo still loves PDF's. They will review individual URL's if they receive a DMCA, but after looking at Ahref's, I can see the "Rich Dad, Poor Dad" PD

The Google algo still loves PDF's. They will review individual URL's if they receive a DMCA, but after looking at Ahref's, I can see the "Rich Dad, Poor Dad" PDF (Which I'm guessing can't be legally distributed by the person who uploaded) has been live since July 2018 and is still ranking in Google: https://i.imgur.com/Mp7prUn.png https://i.imgur.com/Mp7prUn.png