There's always a chance, any link could be a phishing link really. Just be safe and use a completely different password and username for the forums if you do decide to go ahead and create an account. Mightn't hurt to cover all bases and do a virus scan, etc.
Remember though, that if something seems to good to be true it normally is.
If you do go on the TS btw, I would highly recommend a VPN so they can't hit you off. Just a side note.

