An example of piracy moving ever so slightly further underground. They email the books, so there are no links to infringing content.
Russian Ebook Pirates 'Exploit Loophole' in Anti-Piracy Legislation - TorrentFreak
@freakazoid a certain English-speaking website existed for years, and after becoming too well known switched to this method. It looks like the website now just redirects to spam, but I bet they still exist underground.