Adobe Cloud Abused to Steal Office 365, Gmail Credentials

Threat actors are creating accounts within the Adobe Cloud suite and sending images and PDFs that appear legitimate to target Office 365 and Gmail users, researchers from Avanan discovered.

Attackers are leveraging Adobe Creative Cloud to target Office 365 users with malicious links that appear to be coming legitimately from Cloud users but instead direct victims to a link that steals their credentials, researchers have discovered.

Researchers from Avanan, a Check Point company, first discovered the ongoing campaign in December when they stopped one of the attacks, according to a report published Thursday.

Adobe Creative Cloud is a popular suite of apps for file-sharing and creating and includes widely used apps such as Photoshop and Acrobat.

Though attackers are primarily targeting Office 365 users – a favorite target among threat actors – researchers have seen them hit Gmail inboxes as well, Jeremy Fuchs, cybersecurity research analyst at Avanan, told Threatpost.

The attack vector works like this: An attacker creates a free account in Adobe Cloud, then creates an image or a PDF file that has a link embedded within it, which they share by email to an Office 365 or Gmail user.

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