Malicious PDF — malware analysis report

Static analysis result for SHA-256 8ba7c14d137cb7c8…

MALICIOUS

PDF

62.3 KB Created: 2021-02-28 18:56:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-20
MD5: a11156be5726801ca5077a3689dcdd61 SHA-1: 44e8f2dbba14decae79293e3032432bf9bd5d322 SHA-256: 8ba7c14d137cb7c8cd02fcbadebb4365d9cff23970d17082a94fb8bd8028afd5
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection further support its malicious nature. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to redirect users to malicious content, likely for credential harvesting or further payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5420

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://yafferge.ru/award?keyword=how+to+overcome+emotional+abuse+from+your+mother In PDF document text
    • http://blockhcain.host/agthx_ytd_performancermmpv.pdfIn PDF document text
    • https://cdn.sqhk.co/votawusebak/gIjfhiC/25172899368.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4470832/normal_5fe3e83cefcb2.pdfIn PDF document text
    • http://reactivaperu-2020.com/medication_dictionary_uk47k3t.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4505820/normal_5ff2dc96da528.pdfIn PDF document text
    • http://probmake12.xyz/les_miserables_pbs_cast_imdbialxa.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4453906/normal_5fef468bb2e83.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4459180/normal_60089df8ec800.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4381347/normal_5fe46021b3e3c.pdfIn PDF document text
    • http://jedomagisuw.getenjoyment.net/12972465136.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4389101/normal_5fc825c855b7a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393036/normal_600e723e3d16f.pdfIn PDF document text
    • https://cdn.sqhk.co/tatakakuwito/hijaig4/lorenamije.pdfIn PDF document text
    • http://fiwisud.getenjoyment.net/starbucks_coffee_cups.pdfIn PDF document text
    • http://betmoy57.com/82271894608a1phb.pdfIn PDF document text
    • http://zoligagomuwe.onlinewebshop.net/79306789543.pdfIn PDF document text

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