MEGA.nz is the host for the archive. Files with these names on cloud storage are often flagged and removed for violating Terms of Service regarding the distribution of stolen data. Risks Associated with the File
Based on the name, it likely contains plain-text credentials (email:password format) used by malicious actors for Account Takeover (ATO) attacks.
If you have not already, avoid downloading the archive to prevent potential malware infection.
Ensure you use a password manager and enable Two-Factor Authentication (2FA) on all sensitive accounts to mitigate the risk of credential stuffing. MEGA Transparency Report