Tomsguide.com posted on December 13th, 2016, stating that researchers from Cyren, Firm of Internet Security, based in the McLean, Virginia, identified a Chrome Extension that was malicious. This chrome extension was spreading PDFs that are malicious on the Facebook, promising content related to nude celebrity.
Article Link: http://spamnews.com/The-News/Latest/Malicious-Chrome-Extension-Spread-through-PDFs-containing-‘Nude-Celebrity’-2016121618815/