Malicious PDF — malware analysis report

Static analysis result for SHA-256 e47520649c3f68ab…

MALICIOUS

PDF

61.3 KB Created: 2021-02-27 23:21:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16
MD5: ba3041660b044476bf990213e8b3dd12 SHA-1: 18425060487143ead9b60baf4ee5c70bf2c3d30c SHA-256: e47520649c3f68ab6715a62e266ae9b96b668e3aee6f639102e202d6ecd47387
154 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, indicating malicious intent. It contains a large number of external links, suggesting a link farm or SEO manipulation tactic. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a phishing or malicious redirection attempt, likely delivered as a spearphishing attachment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9450

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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://bologen.ru/award?keyword=salat+al+istikhara+steps PDF link annotation
    • https://nutuvujupakumap.weebly.com/uploads/1/3/2/7/132740288/fezew.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409403/normal_6020769222ac1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4490141/normal_5fd350308fcdd.pdfIn PDF document text
    • https://cdn.sqhk.co/vumatoxikom/yhcqHgi/91671055781.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451210/normal_5fe6da8d864c5.pdfIn PDF document text
    • https://cdn.sqhk.co/kibizatududo/bififhi/xajepilujojevovapulero.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4499309/normal_602e6f72f22da.pdfIn PDF document text
    • https://rekaxuvukevo.weebly.com/uploads/1/3/4/9/134904446/zibub.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4491437/normal_60249c125f2b3.pdfIn PDF document text
    • https://cdn.sqhk.co/zujubokave/aihjqad/cach_hack_game_fashion_city_2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393759/normal_5fdc3bffba2a0.pdfIn PDF document text
    • https://cdn.sqhk.co/lebudawojafi/2hgQgtW/transparent_screen_lock_feature_in_windows_7.pdfIn PDF document text
    • https://cdn.sqhk.co/lopumilekana/ifhciiZ/how_to_fix_game_center_ios_14.pdfIn PDF document text
    • https://cdn.sqhk.co/bitizulokiva/gjhcd2b/protect_your_girl_child.pdfIn PDF document text
    • https://kawuzuvom.weebly.com/uploads/1/3/1/3/131379118/dapasevodu.pdfIn PDF document text

Related samples 8

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

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