Hackers Using PDFs to Impersonate Microsoft, DocuSign, and More in Callback Phishing Campaigns

Cybersecurity researchers are calling attention to phishing campaigns that impersonate popular brands and trick targets into calling phone numbers operated by threat actors. "A significant portion of email threats with PDF payloads persuade victims to call adversary-controlled phone numbers,...

PDFs: Portable documents, or perfect deliveries for phish?

Cisco recently developed and released an update to its brand impersonation detection engine for emails. This new update enhances detection coverage and includes a wider range of brands that are delivered using PDF payloads or attachments. A significant portion of email threats with PDF payloads...

Vultur Android Banking Trojan Returns with Upgraded Remote Control Capabilities

The Android banking trojan known as Vultur has resurfaced with a suite of new features and improved anti-analysis and detection evasion techniques, enabling its operators to remotely interact with a mobile device and harvest sensitive data. "Vultur has also started masquerading more of its...

Luna Moth Gang Invests in Call Centers to Target Businesses with Callback Phishing Campaigns

The Luna Moth campaign has extorted hundreds of thousands of dollars from several victims in the legal and retail sectors. The attacks are notable for employing a technique called callback phishing or telephone-oriented attack delivery TOAD, wherein the victims are social engineered into making a...