I'm not a lawyer but I don't know how they could legitimately win a suit for something so innocuous. This sounds like one of those things that people tell you to try to scare you out of doing something that the PR department doesn't like but really has no authority to control.

There's nothing illegal about giving out free copies of something that you bought off the shelf, whether or not you have the vendor's authorization to do that. They could claim some type of fraudulent misrepresentation, but I'd think the violations would have to be flagrant and egregious for something like that to fly.