Spam. Probably the same people that hit up Ubisoft's forums as well. People paid to post spam.
Spambots, I have reported it, as has others, I'm sure. Once the mods get back online I'm sure it will be taken care of. We just have to be patient and bear with it for the moment.
These spammerbots appear occasionally, nothing new there. Just ignore them and let mods to clean them up.
Before I took a break from the Ubisoft forums, I saw spam hit it so hard there were 20 pages of spam before it was cleared up.... All the same crap, with a few different users... what was funny, they would almost parody forum members usernames some times.