https://www.bleepingcomputer.com/news/security/facebook-ads-manager-targeted-by-new-info-stealing-trojan/

Attackers are distributing an information-stealing Trojan disguised as a PDF reader that steals Facebook and Amazon session cookies as well as sensitive data from the Facebook Ads Manager.

Over the weekend, MalwareHunterTeam found numerous sites distributing a fake PDF editing program called 'PDFreader'.