Phishing continues to be a criminals’ favorite for harvesting user credentials with more or less sophisticated social engineering tricks. In this post, we take a look at a recent attack that uses existing LinkedIn user accounts to send phishing links to their contacts via private message but also to external members via email.
What makes this campaign interesting is the abuse of long standing and trusted accounts that were hacked, including Premium membership accounts that have the ability to contact other LinkedIn users (even if they aren’t a direct contact) via the InMail feature. The fraudulent message includes a reference to a shared document and a link that redirects to a phishing site for Gmail and other email providers which require potential victims to log in.
To read the original article : https://blog.malwarebytes.com/threat-analysis/2017/09/compromised-linkedin-accounts-used-to-send-phishing-links-via-private-message-and-inmail/