This is supposed to tantalise victims with what they could see if only they hand over login details. This tactic has been around from Facebook and Tumblr all the way back to Myspace, most typically in the form of the infamous See who visited your page type scams of yesteryear. The site, located at fb-log(dot)890m(dot )com, looks like this:.Logging into the page would eventually direct the victim to the below exploit themed website:.”]
Source: https://blog.malwarebytes.com/cybercrime/2016/08/blurry-previews-and-facebook-phishing/