Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3ef2766cdc8b5d6…

MALICIOUS

PDF

74.2 KB Created: 2022-04-08 21:38:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21
MD5: dfee5c2c05203fddb4a1fbd37f777c46 SHA-1: d8b2be82bb0546b03ceee0f36a9d5a03aea7d72b SHA-256: d3ef2766cdc8b5d6f78bdf243c5e83602187ae3ab1c268b2f2dbeaad5f58185b
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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
  • 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
  • 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://colod.co.za/YmrXLWy8?keyword=match%20the%20muscle%20fiber%20characteristics%20with%20the%20correct%20type%20of%20muscle%20fiber PDF link annotation
    • https://petenugilamabo.weebly.com/uploads/1/3/1/4/131453278/memigotubagol.pdfIn PDF document text
    • https://gedekokuv.weebly.com/uploads/1/3/4/9/134904695/bojinoluxotazilan.pdfIn PDF document text
    • https://towowiwegopute.weebly.com/uploads/1/3/4/0/134019464/8921160.pdfIn PDF document text
    • https://dizogesutupini.weebly.com/uploads/1/3/4/6/134631076/4117756.pdfIn PDF document text
    • https://wewejodoje.weebly.com/uploads/1/3/4/6/134685686/8984891.pdfIn PDF document text
    • https://wutipukuze.weebly.com/uploads/1/3/5/4/135401391/d7fa71ef55.pdfIn PDF document text
    • https://fexejolimoti.weebly.com/uploads/1/3/4/1/134131812/6517625.pdfIn PDF document text
    • https://ratemalopez.weebly.com/uploads/1/3/4/7/134753477/59177172a2615eb.pdfIn PDF document text
    • https://fogolaliri.weebly.com/uploads/1/3/2/8/132814342/gilul.pdfIn PDF document text
    • https://jigugelelatowo.weebly.com/uploads/1/3/1/4/131437208/widusetuzefeguzuve.pdfIn PDF document text
    • https://nepusonowuxi.weebly.com/uploads/1/3/1/3/131398372/rurasu.pdfIn PDF document text
    • https://fimudelowuj.weebly.com/uploads/1/3/1/4/131455024/pinowi.pdfIn PDF document text
    • https://jojurofi.weebly.com/uploads/1/3/4/6/134666092/3244259.pdfIn PDF document text
    • https://vanawolibonute.weebly.com/uploads/1/3/4/3/134344109/5909363.pdfIn PDF document text
    • https://zefilezagomi.weebly.com/uploads/1/3/4/4/134474677/memafawokijetoj.pdfIn PDF document text
    • https://sijovusotepil.weebly.com/uploads/1/4/1/2/141251362/5054221.pdfIn PDF document text
    • https://tiwovukixata.weebly.com/uploads/1/3/4/3/134314311/makosim-ropoj.pdfIn PDF document text
    • https://rodawuliwunugen.weebly.com/uploads/1/3/4/4/134490897/52f9cb2.pdfIn PDF document text
    • https://loratabupufedev.weebly.com/uploads/1/3/2/6/132695903/nixesijow.pdfIn PDF document text
    • https://pidofuvu.weebly.com/uploads/1/3/0/7/130739764/7232087.pdfIn PDF document text
    • https://lenusasifelodu.weebly.com/uploads/1/3/4/3/134350773/1773718.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000bb8e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBB8E 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000d3a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD3A0 16664 bytes
SHA-256: 592f44942f42d73131b61a53a1e5e76772106460f973fc7a5b41068222e61cfe
font_02_sfnt_off0000ff2c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF2C 11076 bytes
SHA-256: d4bbc4245aba1203845fd983f266d60c1ec61f21fe0c0184ac2dbd1a3e91ba7b

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