Security researchers and law enforcement often monitor the downloads of these specific filenames to track IP addresses and activities associated with data theft.
Data stolen from smaller forums or e-commerce sites where security is weak. The Risks of Interacting with Such Files
Hackers often upload files with these names to "leaking" forums, but instead of a text list, the download contains a Trojan or Infostealer . They know people looking for lists are likely interested in hacking, making them prime targets for a "hack the hacker" scenario.
Using bots to test old passwords on new sites.
Tricking users into entering their logins on fake pages.
