Yes, the website does disclose the name of the political action committee (PAC) in a few places. At the bottom, there's even a brief disclaimer.
But a mystery PAC is creating sites that look a lot like the real candidates' websites, and some say their whole goal is to steal donations intended to go straight to the candidates.
CAPE PAC, a conservative group, has created look-alike pages for multiple Republican candidates, including Mitt Romney, John Boehner and Michelle Bachmann. The pages include a large "DONATE" button at the top and typically feature photos and descriptions of the candidates and their positions on the issues. But donations don't go to the candidates.
See the story at The Atlantic.