VirusTotal includes some very poor quality Chinese AVs that produce positives for nearly every file. PDFs are pretty damn safe to access today -- the days of exploding macro exploits are about a decade behind us.
Such a small collection. It's incredible that no governments are stepping up to preserve humanity's and their country's knowledge as a digital library.
/r/datahoarder is currently seeding 2.5 million books, if anyone is interested in starting their own library. With a little SQL work you can have the world's knowledge on a single 8TB.
Imagine a species having the capacity to share every bit of its knowledge, with every one of its people, and choosing not to do so.
Calling all PHP, SQL, Elastic Search, distributed computing experts, and everyone else with the drive to share knowledge. Sign up to change that, here.