: This USENIX security paper analyzes the scale of these attacks, finding that roughly 1.5% of logins on the web involve breached credentials.

If you have already downloaded the file, research indicates that the archive format itself can be a risk factor:

The primary function of a "Crunchyroll Checker" is to automate the testing of stolen login credentials across Crunchyroll's platform.

While there isn't a single academic paper specifically titled after "Download Crunchyroll Checker Risky rar," there is extensive research and high-quality white papers regarding the types of software and files involved in this query. This file likely refers to an (a tool used for credential stuffing ) distributed through a compressed archive (.rar), which is a common vector for malware distribution. 1. Research on Credential Stuffing Mechanics