PDF (Portable Document Format) is a popular file format used for documents, ebooks, and other types of content. Simply put, malware is software, a computer program Malware is the most common external threat to most hosts, causing widespread damage and disruption and necessitating extensive recovery efforts within most Malware is a general term for all types of malicious software, which in the context of computer security means: Software which is used with the aim of attempting to breach a compu