Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e3d9fe2fdf2c792…

MALICIOUS

PDF

71.6 KB Created: 2022-04-12 07:51:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: a16eb11ed23b53a4d04bee1ac118b2a8 SHA-1: bcd505838f09812d82b7e94021e12ee778a14ac8 SHA-256: 4e3d9fe2fdf2c792b5cd4a2bd49e34657ca4b8f212b557acc09b3167578e5852
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://cafij.co.za/YmrXLWy8?keyword=agile%20project%20management%20for%20beginners%20mastering%20the%20basics%20with%20scrum%20pdf PDF link annotation
    • https://juzolafer.weebly.com/uploads/1/3/4/3/134382033/kigimorevis.pdfIn PDF document text
    • https://wovuxitijijigot.weebly.com/uploads/1/3/4/5/134524902/8621493.pdfIn PDF document text
    • https://pyreneesjogja.com/kcfinder/upload/files/dinedelexiriwavekuj.pdfIn PDF document text
    • https://jimamejovegevag.weebly.com/uploads/1/3/4/5/134593921/aa175.pdfIn PDF document text
    • http://vsrru.ru/userfiles/file/8494067361.pdfIn PDF document text
    • https://kuxalureb.weebly.com/uploads/1/3/1/3/131383592/tenonudu.pdfIn PDF document text
    • https://profesa.net/userFilesfile/28428813697.pdfIn PDF document text
    • https://febavezexiwajo.weebly.com/uploads/1/3/4/7/134703432/werazefu.pdfIn PDF document text
    • https://fowawuxubave.weebly.com/uploads/1/3/4/7/134759807/wuvosesezi_zupudodim_xezenamidokuva.pdfIn PDF document text
    • https://rofaxebawo.weebly.com/uploads/1/3/4/7/134750080/kamupafigis-nenukip-gerukemowugil-komujexusonoku.pdfIn PDF document text
    • https://pigudoxuwupif.weebly.com/uploads/1/3/1/4/131437670/b59cc8d643a.pdfIn PDF document text
    • https://miwidikanizi.weebly.com/uploads/1/3/4/0/134016908/xigisuru_xosiponos_nemisenuma.pdfIn PDF document text
    • https://xofileleg.weebly.com/uploads/1/4/1/3/141397777/737e76cbfb169.pdfIn PDF document text
    • https://lewumirobubav.weebly.com/uploads/1/3/4/7/134762292/8186034.pdfIn PDF document text
    • https://voxiranadazezud.weebly.com/uploads/1/3/5/3/135312978/351c0328ac87e98.pdfIn PDF document text
    • https://sizunevasiwi.weebly.com/uploads/1/3/5/3/135310428/zivebudasevimipe.pdfIn PDF document text
    • https://vatewiwep.weebly.com/uploads/1/3/4/4/134482367/1722931.pdfIn PDF document text
    • https://falobulavogibe.weebly.com/uploads/1/3/4/6/134662271/78effefb3e.pdfIn PDF document text
    • https://sugowixo.weebly.com/uploads/1/3/4/5/134588459/83038adc.pdfIn PDF document text
    • https://femimujuzo.weebly.com/uploads/1/3/4/6/134640298/tagowibulafurigetavu.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_off0000aff4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAFF4 11504 bytes
SHA-256: ad2cccebee80d77dee0975f216a82aecb5b1a03883de58146ea2238349df8cca
font_01_sfnt_off0000ca9a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCA9A 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0000e2ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE2AC 16568 bytes
SHA-256: b29737daeace0dc71295b1115b9d831651cd17e784c2eaed80a5e7f0568307e9

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