If you have an older console, used discs of Modern Warfare 3 sell for under $5 at pawn shops or on eBay.
Most "Google Drive" links on Reddit, Telegram, or random blogs lead to password-protected RAR files or .exe files that install malware, adware, or crypto miners. Because Google Drive scans for viruses, hackers often split files into encrypted parts or move them to "File Request" folders to avoid detection.