Malicious PDF — malware analysis report

Static analysis result for SHA-256 6af13390ba2d610d…

MALICIOUS

PDF

59.9 KB Created: 2021-03-01 01:45:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 18030b07000cca552c1e2e5fae9e0a82 SHA-1: 248d3f39619f269d956fd0b3dd7f67f95f5f0467 SHA-256: 6af13390ba2d610d393b4a4035e580ce36e44f3b589664417b8705ac4e1c34ab
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous embedded URLs, with several pointing to disposable domains and identified as part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. No scripts were extracted, but the structure and URL distribution suggest a lure to external malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7109

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://soxebez.ru/award?keyword=what+are+the+seven+mortal+sins PDF link annotation
    • http://covidcapsule.world/spanish_words_similar_to_english_listpenj2.pdfIn PDF document text
    • https://nopubogap.weebly.com/uploads/1/3/4/6/134667077/baredawofafig.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4371787/normal_5ff276d8e21ea.pdfIn PDF document text
    • http://wititabeg.22web.org/impossible_quiz_2_answer_30.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4425255/normal_60009a71ea12c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4459470/normal_6027916ac3049.pdfIn PDF document text
    • http://vannlight.ru/nbc_sports_live_premier_leaguevqu64.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368469/normal_5fd2a65582240.pdfIn PDF document text
    • https://nutakiderovex.weebly.com/uploads/1/3/4/6/134622867/tetasex.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4484399/normal_600f44be06bef.pdfIn PDF document text
    • http://rajamuviw.epizy.com/lusudiwivoperozidojad.pdfIn PDF document text
    • http://pomezup.epizy.com/jovup.pdfIn PDF document text
    • http://xugeseza.epizy.com/5037776168.pdfIn PDF document text
    • https://s3.amazonaws.com/bajapovogam/applied_psychology_books.pdfIn PDF document text
    • http://kidogip.epizy.com/simple_bookkeeping_system_free.pdfIn PDF document text
    • http://xuxobijeno.epizy.com/tikaneralata.pdfIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

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