Malicious PDF — malware analysis report

Static analysis result for SHA-256 f872f7cc5c9c0c0d…

MALICIOUS

PDF

76.9 KB Created: 2022-04-12 17:54:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-17
MD5: 5fdf48435aedc4ce69a304d11e85c38c SHA-1: 1df955f3db7aeeacee1ae51f9421e2b3581b7a5b SHA-256: f872f7cc5c9c0c0d6cc3eeb7c3adb092fdb38ff561b67a4f5828fea2a7db8d9a
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9943

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://yoyep.co.za/YmrXLWy8?keyword=how%20to%20use%20a%20barnett%20jackal%20crossbow PDF link annotation
    • https://kexowepapu.weebly.com/uploads/1/3/2/8/132815076/fibip.pdfIn PDF document text
    • http://www.oneworldkarate.com/fckeditorimages/userfiles/file/25648522182.pdfIn PDF document text
    • https://bemozepe.weebly.com/uploads/1/3/0/7/130739793/9460207.pdfIn PDF document text
    • https://suzotavuni.weebly.com/uploads/1/3/4/7/134765747/zujutivutu-togogelibom-namag.pdfIn PDF document text
    • https://msiutilities.net/documents/51273819940.pdfIn PDF document text
    • https://zinegekoxemajaj.weebly.com/uploads/1/3/4/7/134767253/xaboxebeb.pdfIn PDF document text
    • https://baxorumele.weebly.com/uploads/1/3/0/9/130969728/570849.pdfIn PDF document text
    • https://kafaziwe.weebly.com/uploads/1/3/1/0/131070109/a7ab4f82.pdfIn PDF document text
    • http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/sanebexugijaguwoli.pdfIn PDF document text
    • https://hilanguage-com-tw.triangle-design.com/files/19565371413.pdfIn PDF document text
    • http://www.pilatesyoga.hr/files/files/sazipiwuxo.pdfIn PDF document text
    • https://nelerifo.weebly.com/uploads/1/3/4/0/134097450/boronitu_beweg_temotuxofatulum.pdfIn PDF document text
    • https://wagofokixe.weebly.com/uploads/1/3/4/6/134694124/29953272.pdfIn PDF document text
    • https://zelekunidos.weebly.com/uploads/1/3/2/6/132682808/wabokofisugil.pdfIn PDF document text
    • https://busozovamifolak.weebly.com/uploads/1/3/4/2/134235369/jikumogotagisi_revumekeposidug_wupizizi_setob.pdfIn PDF document text
    • https://nodekisoguzila.weebly.com/uploads/1/3/5/3/135313862/7878317.pdfIn PDF document text
    • http://tothimi.com/admin/kcfinder/upload/files/rinidulamosanifug.pdfIn PDF document text
    • https://ziwojezevuvige.weebly.com/uploads/1/3/4/5/134500989/3399d334.pdfIn PDF document text
    • https://silalaverenaga.weebly.com/uploads/1/3/4/5/134529183/zadoxuja.pdfIn PDF document text
    • http://gamenavigator.su/userfiles/files/12848565919.pdfIn PDF document text
    • https://ou-ravda.com/ckfinder/userfiles/files/lilegagapofajikiruxixagi.pdfIn PDF document text
    • http://kultpro.ru/userfiles/files/37735722667.pdfIn PDF document text
    • http://veoguidecostarica.com/ci/userfiles/files/90022458167.pdfIn PDF document text
    • https://kagexafezadasu.weebly.com/uploads/1/3/4/3/134318935/lirenixutori.pdfIn PDF document text
    • http://faespi.com.br/kcfinder/upload/files/17320129323.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_off0000c737.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC737 10668 bytes
SHA-256: eb3f7965d3f6244a7ff40146c6cef598bc182eaaeab6d1f6404f2a23367d886b
font_01_sfnt_off0000dfe1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDFE1 17692 bytes
SHA-256: 12066b52b7d21f44959464e09303f434508c34d8cc7307f81fc1bea292baac51
font_02_sfnt_off00010e15.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10E15 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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