[Tomte]

Someone would probably notice, checking the DVD against a checksum.

Repackaging it seems to be tricky, since the paper inlay is bound in the magazine, it's not just stuck on the cover or whatever. You tear it out at a perforation, leaving part of the DVD cover inside.

There are much more exposed attack vectors on online banking users, I would think.

And you can always just download the ISO and check it against the hash (and the PGP key).