Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d39412aaf0d381e…

MALICIOUS

PDF

94.5 KB Created: 2020-12-03 04:57:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-14
MD5: d5e798af69bcd3f984f0caba725c2fb1 SHA-1: a252dcaa34823263032fa3c69263dbe5b7c915ba SHA-256: 0d39412aaf0d381e462d258616d8061beef75c078ff661c818f413309766ef55
196 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://trafffi.ru/strik?utm_term=tekken+7+character+sidestep+guide PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4384045/normal_5fa580f5e0363.pdfIn PDF document text
    • https://legobunisazej.weebly.com/uploads/1/3/4/5/134501617/faradetixenur-muripuguf-xobena-lomipusab.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/c3d2481a-4192-4544-afeb-a77f2811e492/67700858966.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc29a239698b02c7f2b7c55/t/5fc49c5b61e25426e1cad226/1606720617619/50830569939.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/adcaaa9a-1374-4f61-9048-72c212c1c68d/pidijawugipiw.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f85b59d9-4985-4d21-837a-beaf62043c14/69389104109.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0f8f692c50b1a1e77efcd/t/5fc1569c08845d0924bc6a41/1606506141500/blue_oil_spot_glaze.pdfIn PDF document text
    • https://s3.amazonaws.com/fomaralunex/96597173357.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbdf3573f75b166439a5de3/1606284120773/wisewoxubiluzikaduku.pdfIn PDF document text
    • https://s3.amazonaws.com/panokojol/resume_format_template_free.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbe0b453570fb44d1ca6d93/1606290247423/condo_questionnaire_fee_florida.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc591165e8e827d42ad8ebf/t/5fc7b408b7521d608a4f6e0e/1606923272227/piggy_book_2_rash_roblox_s_mod_apk.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc5181abe9b69395125e644/t/5fc84e2cdcb5b260797762d9/1606962732308/56173104635.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001333c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1333C 5396 bytes
SHA-256: 4e36b8a4c0f25b8770d32944bbd096c3e569efb4344d3be1bd0241052802b831
font_01_sfnt_off0001459a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1459A 12020 bytes
SHA-256: 487d09c5785c2ec8de90415093689781230b122036e25f82eacc5f45b60bb72c

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