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Blackhat Spam SEO & Fake AV: They Are Still There

ID: 455eb315-3f21-5f4f-a74f-ffec5dc757c0

STIX ID: report--455eb315-3f21-5f4f-a74f-ffec5dc757c0

Feed Name: Zscaler Security Research Blog

Threat Score
55/100

Date Published: 2025-04-02

Date Updated: 2026-05-01

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The report documents an ongoing SEO spam campaign where attackers compromise vulnerable websites (example: casino-jugendclub.de) to host thousands of spam pages that redirect search-engine visitors to fake antivirus pages (e.g., microsoftwindowssecurity145.com) hosting malicious executables; antivirus detection of the payload is reported to be low (~25%), and the piece highlights the persistence of this low-sophistication but effective distribution technique.

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