Malicious PDF — malware analysis report

Static analysis result for SHA-256 d93374f65e8d418a…

MALICIOUS

PDF

66.8 KB Created: 2021-03-06 00:56:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: cab36413f1eafbf5233e5f7b9596d1aa SHA-1: fd2ede9ae6213f4acfede3373987929a2cd2852a SHA-256: d93374f65e8d418a70d419e5dcd7e9ab35b87694d62ce6aa78b00523118156cb
184 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a large number of external links, many pointing to disposable domains and potentially benign AWS S3 buckets, suggesting a link farm or SEO manipulation tactic. ClamAV detected this file as Pdf.Phishing.Trojan, and ML classifiers also flagged it as malicious. The embedded URLs are likely used to redirect users to malicious or phishing content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7003

Heuristics 5

  • 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.
  • 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://vilenefex.ru/award?keyword=jerusalem+jez+butterworth PDF link annotation
    • https://vetasokimatajed.weebly.com/uploads/1/3/5/2/135296406/ponokiw.pdfIn PDF document text
    • https://puwoposujol.weebly.com/uploads/1/3/0/9/130969317/857f3b14ad.pdfIn PDF document text
    • https://vofovolovun.weebly.com/uploads/1/3/1/4/131483423/1247706.pdfIn PDF document text
    • http://zugasanuko.getenjoyment.net/how_do_you_clean_a_broan_range_hood_fan.pdfIn PDF document text
    • https://cdn.sqhk.co/rirerujel/Mghhegf/analisis_foda_escuela_de_ingles.pdfIn PDF document text
    • https://dorubirema.weebly.com/uploads/1/3/4/3/134317311/1c291ce34.pdfIn PDF document text
    • https://lasapiboxemifol.weebly.com/uploads/1/3/4/8/134865682/d54786f7812f98.pdfIn PDF document text
    • http://penageli.getenjoyment.net/hp_officejet_pro_l7680_printhead_problem.pdfIn PDF document text
    • https://wivojusifapuju.weebly.com/uploads/1/3/5/3/135327063/7115692.pdfIn PDF document text
    • https://cdn.sqhk.co/xoxamomajil/jcgcFY1/beach_buggy_racing.pdfIn PDF document text
    • https://bexusisase.weebly.com/uploads/1/3/4/5/134596812/jopidoviba.pdfIn PDF document text
    • http://xujaxul.mywebcommunity.org/gatitepudi.pdfIn PDF document text
    • https://cdn.sqhk.co/xekutenupi/Hujfjio/70977269582.pdfIn PDF document text
    • https://kesevaze.weebly.com/uploads/1/3/1/3/131383297/jadekevirofa.pdfIn PDF document text
    • https://gezameluloxeg.weebly.com/uploads/1/3/5/3/135393377/deraso-nevaji-gexevipenuxojag-mukoloxubediv.pdfIn PDF document text
    • https://lopuxewununoj.weebly.com/uploads/1/3/4/7/134748711/7817359.pdfIn PDF document text
    • https://pulakaxumif.weebly.com/uploads/1/3/0/7/130776647/wagezuxewojojibiz.pdfIn PDF document text
    • https://cdn.sqhk.co/mifijizudi/jfahhUU/mixed_fruit_dessert_recipes_easy.pdfIn PDF document text
    • https://cdn.sqhk.co/tupipitijil/fjbhege/92008942873.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/jadere/6917967221.pdfIn PDF document text
    • https://s3.amazonaws.com/wupiwupiwot/44188767804.pdfIn PDF document text
    • https://s3.amazonaws.com/biwuwukesazef/finebujoxolodir.pdfIn PDF document text
    • https://s3.amazonaws.com/bejexe/gabiwufarejumozofi.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f153.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF153 5272 bytes
SHA-256: 32dc5d97c6f802e572f3ccc83785d7e187fa428a3bf5a742c8fd5f8c610f5ea2

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