Abstract: In some embodiments, a method includes receiving a plurality of descriptors via a network. Each descriptor includes at least one of a descriptor component or a keyword. The method further includes storing the plurality of descriptors in a database, and generating a database index of the plurality of descriptors based on at least one of the descriptor component or the keyword for each descriptor of the plurality of descriptors. The method further includes storing the database index in the database. The method further includes receiving a file component extracted from a file and identifying, based on the file component, a set of descriptors from the plurality of descriptors. The method further includes inferring, based on the set of descriptors, a measure of likelihood of a functionality associated with the file, and transmitting an indication of the measure to a user.