Acrobat Sign is a cloud service that allows registered users to sign, send, and track documents in real-time, as well as to send signature requests to anyone.
When a signature request is sent, Acrobat Sign automatically generates and sends an email to the recipient, with a link to the document, which can be a PDF, Word, HTML, or another file type.
Given that the message is sent from a legitimate Adobe email address and the document for which the signature request is sent is hosted on Adobe’s servers, the message bypasses any protections that the victim might have in place.
