Malicious PDF — malware analysis report

Static analysis result for SHA-256 af2ab67fc5c0c6f7…

MALICIOUS

PDF

80.5 KB Created: 2020-11-12 21:42:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-22
MD5: 67c99c146efaa8ca5c01b07e007fd976 SHA-1: b9e8535185a19b9321b02d9cd4a1b2272e4cf36f SHA-256: af2ab67fc5c0c6f7aa662e8cf3a114cb40b3af951727e6267222ded6ac26c256
244 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 6

  • 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.
  • 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.
  • 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://traffine.ru/123?utm_term=episode+unlimited+passes+and+gems+apk+android In PDF document text
    • https://givenuwijuzi.weebly.com/uploads/1/3/4/4/134445792/9585ad20f1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367271/normal_5f8b7b57dc5c4.pdfIn PDF document text
    • https://bepopasexib.weebly.com/uploads/1/3/4/3/134356469/995f93.pdfIn PDF document text
    • https://bafovulik.weebly.com/uploads/1/3/1/0/131070506/lajoko.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374373/normal_5f8a5e4ff16d8.pdfIn PDF document text
    • https://talapilodegopez.weebly.com/uploads/1/3/0/9/130969507/7cfbae539d2c372.pdfIn PDF document text
    • https://kubupukadumu.weebly.com/uploads/1/3/1/3/131382740/vorisowud_kasaguxuwuruxa_nabep.pdfIn PDF document text
    • https://batatifenosi.weebly.com/uploads/1/3/4/5/134513642/1139849.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://uploads.strikinglycdn.com/files/5c37e0ca-9a1e-4d63-8b25-eb70b7a11186/gidusitegusiweze.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3f1b2ae0-603b-4ce9-9781-159b3651565e/winugoveposajevu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c86e03f4-3b39-411f-bf3a-eb080ec2d1a4/anthony_middle_school_phone_number.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/01faecf6-efd5-4b5a-82b4-e8e9f1c28332/descargar_discografia_completa_de_los_chunguitos_gratis.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2cc5b5f2-621a-42ce-abbe-1729e329d2c6/dil_keh_raha_hai_kyon_ki_mp3_downloa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/22804aec-5149-4ae9-8555-c8fa18f4c9f0/11082137576.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d90a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD90A 5184 bytes
SHA-256: 08c1eb16ac2d15a2b9c3c6a30042640ac1b5bcb562ba9520ed53a66db1e91464
font_01_sfnt_off0000ea89.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA89 11348 bytes
SHA-256: 0ec4bc26f89b59dd3cd275757225d588530e7758c580d2a44a7b0a7d45156e4c
font_02_sfnt_off0001110c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1110C 16272 bytes
SHA-256: 79a8b90f55ff6552f604b654de9415a285e7315ac61835edf8590ffdbde93965
font_03_sfnt_off000126a4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x126A4 4324 bytes
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333

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