Creating a Portable Document Spear requires reconnaissance. Here is the three-step kill chain:

The does not exist as a real file format — but it serves as a useful thought experiment. It reminds security professionals that format is not destiny . A benign container (PDF) can be reshaped into a weapon simply by changing its intent and sharpening its payload.

There are various PDF tools and software available that allow users to create, edit, and manage PDFs:

: Six interlocking segments that could extend from three feet to a towering eighteen.