It may refer to the "paper" insert or cover art (slipcover) associated with the physical Blu-ray release of the movie .
The video resolution (1280x720 pixels), which is standard high definition.
The word might be a stray keyword from a document, essay, or a request for a written review of this specific version. Breakdown of the File Name:
The source of the video, indicating it was ripped from a commercial Blu-ray disc rather than a TV broadcast or DVD.
The addition of the word likely refers to one of the following:
The name of the group or website that encoded and released this specific version of the file.
The phrase refers to a specific digital release of the 1983 action film starring Chuck Norris.
In some digital sharing communities, "paper" is an infrequent tag used to denote a specific release group or a "paper-thin" highly compressed file (though this is not a standard industry term like "BluRay" or "720p").