The .part4.rar extension means this isn't a standalone file. It is the of a large archive that was split into multiple chunks (Part 1, Part 2, etc.) to make it easier to upload or download. You would need all the other parts to actually see what's inside. 2. The "Nonsense" Name is Likely a Code
Do you remember you saw this review? Knowing the website might help solve the mystery of what's actually hidden in that file! 73L58B8S848GR84A8394CC.part4.rar
That is a very specific and unusual "review"! To most people, looks like a cryptic string of text, but it actually tells a specific story about how files are shared on the internet. 1. It’s a Fragment of a Larger Whole That is a very specific and unusual "review"
The long string of numbers and letters () is almost certainly an obfuscated filename . 73L58B8S848GR84A8394CC.part4.rar
Sometimes people use public review sections on sites like Amazon or the App Store to pass "warez" (pirated software) links to one another in plain sight.