I don't think using something fun as an attack vector is anything new at all. It's an easy way to have someone let their guard down because you want to play around and aren't thinking how something silly could actually be out to get you.
It's new in the sense non-technical users can just download and install and use stuff like this far, far easier than it ever was before.
It's new in the sense non-technical users can just download and install and use stuff like this far, far easier than it ever was before.