The source of the file was a "Web Download" from a streaming service (like Netflix or Amazon Prime) rather than a physical disc or theater rip.
If you are looking for information on the actual film for an academic or critical paper, Naradan is a critique of modern and sensationalist news media. It follows a prominent news anchor who abandons journalistic ethics to boost television ratings.
The file name follows a standard naming convention used by online distribution groups to describe the video's quality and source: The title and release year of the movie.