JPL Creates World's Largest PDF Archive to Aid Malware Research

NASA's Jet Propulsion Laboratory (JPL) has created the largest open-source archive of PDFs as part of DARPA's Safe Documents program, with the aim of improving internet security. The corpus consists of approximately 8 million PDFs collected from the internet. From a press release: "PDFs are used everywhere and are important for contracts, legal documents, 3D engineering designs, and many other purposes. Unfortunately, they are complex and can be compromised to hide malicious code or render diffe