Summary
Netskope Threat Labs is warning users to be careful of spam messages being shared via Google Docs. The spam messages come in the form of a comment on a document or presentations and are sent by [email protected]. Both the comment and the document link the user to a spam or scam website. Because the messages are sent by Google Docs, it is likely that your spam filters do not detect and block these messages. In fact, docs.google.com may be explicitly allowed by your spam filters.
Example
The spam is delivered in the form of a comment on a Google Docs document or Google Slides presentation. The email is sent by [email protected], an address used for comments added to any files hosted in Google Drive. In this Google Slides example, the sender appears as “Message Service (Google Slides).” “Message Service” is the name chosen by the spammer to make this appear official and “(Google Slides)” is appended by Google to all Google Slides comments.
In this example, the comment masquerades as a postal notification: