The Security advisory for Goo.gl/fb states as follows : Though exact causes are not known but Google blocking its own link shortening service is nothing short of a irony. Techworm is waiting for a comment from Google to know whether this is a genuine blockade for malware or some software glitch in its search algorithm. What is the current listing status for goo.gl/fb? Site is listed as suspicious – visiting this website may harm your computer. Part of this site was listed for suspicious activity 1 time(s) over the past 90 days. What happened when Google visited this site? Of the 1438 pages we tested on the site over the past 90 days, 149 page(s) resulted in malicious software being downloaded and installed without user consent. The last time Google visited this site was on 2014-10-24, and the last time suspicious content was found on this site was on 2014-10-24. Malicious software includes 13 trojan(s), 3 scripting exploit(s). Successful infection resulted in an average of 1 new process(es) on the target machine. Malicious software is hosted on 17 domain(s), including shop-corp24.com/, websitecom.us/, abu-farhan.com/. 35 domain(s) appear to be functioning as intermediaries for distributing malware to visitors of this site, including feedburner.com/, finanstek.net/, tracksite.us/. This site was hosted on 1 network(s) including AS15169 (GOOGLE). Has this site acted as an intermediary resulting in further distribution of malware? Over the past 90 days, goo.gl/fb appeared to function as an intermediary for the infection of 1 site(s) including t.co/. Has this site hosted malware? No, this site has not hosted malicious software over the past 90 days. How did this happen? In some cases, third parties can add malicious code to legitimate sites, which would cause us to show the warning message. Surprisingly when this author made a shortcut of the Facebook page of Techworm in the Google Link Shortener service, the resultant shortened URL > https://goo.gl/lWaUKl was not marked as malware. From the looks of it, this looks like a big software glitch on Googles part. This article is based on a tip provided by Missy Cook of Thedri.com
