Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3ea5b67f9b3b9c9…

MALICIOUS

PDF

71.0 KB Created: 2022-04-26 13:04:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20
MD5: 2d106941b9a24d6cd712593710e287b5 SHA-1: 7fe9b1ed1c23b36b64b75af7fd896f9dabde93b4 SHA-256: d3ea5b67f9b3b9c9e6c85ea4d39aab648ce950c816fb86ed51317e54f11310e8
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://wirut.co.za/YmrXLWy8?keyword=what%20is%20the%205%20point%20scale PDF link annotation
    • http://underbutter.cz/download/foto/jufiguxine.pdfIn PDF document text
    • https://gobadinemi.weebly.com/uploads/1/3/5/2/135299992/9272811.pdfIn PDF document text
    • http://www.cadex.biz/app/webroot/kcfinder/upload/files/volazaximekewifadanov.pdfIn PDF document text
    • http://klidnezatyden.cz/upload/files/ludifoje.pdfIn PDF document text
    • https://faxojoduso.weebly.com/uploads/1/3/5/3/135351685/cbd4226743.pdfIn PDF document text
    • https://rugsdirect4u.com/uploadedfiles/file/85105241815.pdfIn PDF document text
    • https://fatatarulawug.weebly.com/uploads/1/3/4/4/134474158/6dd446f.pdfIn PDF document text
    • https://gezulepozij.weebly.com/uploads/1/4/1/2/141256459/titolovit_zufamopiwu_vanimolot_muwit.pdfIn PDF document text
    • http://gk-eventus.ru/admin/ckfinder/userfiles/files/69578811527.pdfIn PDF document text
    • https://povarudoro.weebly.com/uploads/1/3/5/3/135324530/sebenuraluru.pdfIn PDF document text
    • https://bufuxilanu.weebly.com/uploads/1/3/4/4/134402831/zigilubixapuvum.pdfIn PDF document text
    • http://thecpg.org/kcfinder/upload/files/31723527536.pdfIn PDF document text
    • https://pisefipekopaz.weebly.com/uploads/1/3/4/4/134461515/e59cf9665.pdfIn PDF document text
    • http://papinchess.ru/userfiles/file/rufogasubifedufesobab.pdfIn PDF document text
    • https://cfi-registration.org/buzzboxgift/img/userfiles/files/92932301928.pdfIn PDF document text
    • https://www.hippocratio.gr/ckfinder/userfiles/files/tamibujowaradose.pdfIn PDF document text
    • https://vuxaxumiduwo.weebly.com/uploads/1/3/4/6/134603627/bapuxirila.pdfIn PDF document text
    • https://midlanddevelopers.com/backend/web/kcfinder/upload/files/37136808869.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_off0000b165.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB165 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000c97c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC97C 10496 bytes
SHA-256: bf8c8aa357524a8fbc2997c93983fc4d116c55f10e1a78b1b2d223d677532e62
font_02_sfnt_off0000e15c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE15C 17344 bytes
SHA-256: 4a6f9885303d97953d9721d6149329a15b97d95c57441e9f799218e066532ae7

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