Can you really get in trouble just by conducting an Internet search? If you click on the links in those results, you can, especially when you use certain search terms or look for certain products...
It probably doesn't come as a big surprise that “free music downloads" carries a big risk that you'll find sites containing malware, but did you know that "iPhone” is another of the most dangerous search terms? AV vendor McAfee recently conducted a study to determine the top ten riskiest search terms and categories, and this what they found:
http://www.telegraph.co.uk/comment/5406066/The-top-10-most-dangerous-internet-search-terms.html