There's no way to report spam on Google Drive
I also have been receiving lots of these lately. I don't understand why "blocking everyone that's not in your contact list" is not a feature.<p>This thread below on Google Drive Help Center was closed with a response that you can now block a specific user — which is useless against a horde of bots.<p><a href="https://support.google.com/drive/thread/58636526/how-to-block-spam-from-google-drive?hl=en" rel="nofollow">https://support.google.com/drive/thread/58636526/how-to-bloc...</a>