If you found this "review" on a forum or a download site, be careful:

It includes three multiplayer maps (Airship, Chancellery, and Excavation), a new "War Mode" mission called Operation Arcane, and the final chapter of the Nazi Zombies saga, "The Frozen Dawn".

Files from scene groups like CODEX are often re-packaged by others with malware or miners.

The string refers to a specific piece of a split archive created by the scene group CODEX . In the world of game cracking, they often split large games into many smaller "parts" (like part11) to make them easier to upload and download. Context on the Content

If you're looking for an actual review of the content within that file, it's for , the fourth and final DLC map pack for Call of Duty: WWII .