If it’s a tool that can make life on the web easier, you can pretty much guarantee that it will be abused by spammers. That is why it should come as no surprise that spammers are now abusing URL shortener services.
Representatives from Symantec’s MessageLabs contacted Murdok to point out that just in the last couple of days, the presence shortened URLs in spam has skyrocketed. The prominent security company claims that shortened URLs now appear in over 2% of all spam.