Chelsea Clinton daughter of former US president Bill Clinton and Hillary Clinton (Secretary of State ), is one of the most searched keywords as she got married on 31st July 2010.
This BlackHat SEO as you can see on the above image shows many malicious URLs in the search results. When you click any of them you will be redirected to website which look like a Windows Explorer, indicating that malware has been detected in your computer and if you click remove all that will install a fake anti-virus. So be careful when you click on such links.
Read more here from panda labs