If you are attempting to manage or open such archives for research or archival purposes: Use a Sandbox
: These "packs" frequently trade in leaked or private imagery, which may violate privacy laws and platform terms of service. Broken Links
You were hesitant at first, but after reading the NDA and understanding the terms, you decided to proceed. You signed the NDA and received the package.
: RAR files can hide executable scripts (.bat or .exe) that run automatically when extracted.
Often, these files are password-protected. The uploader usually provides a password, but you may have to visit a website riddled with ads or surveys to get it. This is a technique used to generate ad revenue.
This keyword string strongly suggests: