This is not correct. You and your site are certainly not subject to "american trade and penal laws" just because a .com registered address directs to your server. They can seize your domain name, but that's it.
They can extrade the person: "As long as a website's address ends in .com or .net, if it is implicated in the spread of pirated US-made films, TV or other media it is a legitimate target to be closed down or targeted for prosecution"
They can extrade the person: "As long as a website's address ends in .com or .net, if it is implicated in the spread of pirated US-made films, TV or other media it is a legitimate target to be closed down or targeted for prosecution"