Infected websites have been the single biggest threat over the past six months, and the threat vectors that have seen the most growth are Web 2.0 and social networking technologies, according to the report, which was released Wednesday by security firm Sophos.
Approximately 23,500 infected webpages are discovered every day – that’s a new one every 3.6 seconds, according to Sophos’ recently released July security threat report. That infection rate is faster than in 2008, during which the first half of that year saw a newly infected website being identified every 4.5 seconds, Richard Wang, manager, Sophos Labs U.S. told SCMagazineUS.com on Tuesday.
Were you actually trying to connect to it or was this something that happened during the course of browsing ?
If so it may have been a redirect from another site, which may have been hacked as mentioned.
It would probably be difficult to pin down as this link could have been in an advert or any number of other elements on the page, the main thing is that avast has blocked the attempt to get to that malicious URL.