I would have to guess something like this takes hours and hours to complete and look authentic. A major Beastie Boys fan, Derek L on Deviant Art, has made a comic book out of the "Sabotage" video. It's pretty awesome, he even went as far as to fray the corners of the pages and make it look worn and legit.
And if you've forgotten the awesomeness that is the "Sabotage" video, well you're in luck on that too!
They are the best. THE BEST!