YIKES! Hackers flood the net with 100,000 pages providing malicious PDFs

Cybercriminals are resorting to go looking engine poisoning methods to lure enterprise professionals into seemingly authentic Google websites that set up a Distant Entry Trojan (RAT) able to finishing up a variety of assaults.

The assault works by leveraging searches for enterprise kinds reminiscent of invoices, templates, questionnaires, and receipts as a stepping stone towards infiltrating the techniques. Customers trying to obtain the alleged doc templates are redirected, with out their data, to a malicious web site that hosts the malware.

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“As soon as the RAT is on the sufferer’s laptop and activated, the menace actors can ship instructions and add extra malware to the contaminated system, reminiscent of ransomware, a credential stealer, a banking trojan, or just use the RAT as a foothold into the sufferer’s community,” researchers from eSentire said in a write-up printed on Tuesday.

The cybersecurity agency stated it found over 100,000 distinctive net pages that comprise in style enterprise phrases or key phrases reminiscent of template, bill, receipt, questionnaire, and resume, thus permitting the pages to be ranked larger on the search outcomes, and due to this fact, growing the chance of success.

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As soon as a sufferer lands on the attacker-controlled web site and downloads the doc being looked for, it turns into an entry level for extra refined threats, in the end ensuing within the set up of a .NET-based RAT known as SolarMarker (aka Yellow Cockatoo, Jupyter, and Polazert).

In a single case investigated by eSentire, which concerned an worker of a monetary administration firm, the malware executable was disguised as a PDF doc that, when launched, deployed the RAT together with a authentic model of Slim PDF as a decoy.

“One other troubling facet of this marketing campaign is that the SolarMarker group has populated lots of their malicious net pages with key phrases referring to monetary paperwork,” stated Spence Hutchinson, eSentire’s supervisor of menace intelligence.

“A monetary cybercrime group would take into account an worker, working within the finance division of an organization, or an worker, working for a monetary group, a excessive worth goal. Sadly, as soon as a RAT is comfortably put in, the potential fraud actions are quite a few.”

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