Malicious PDF — malware analysis report

Static analysis result for SHA-256 4afc72ed36c2caa5…

MALICIOUS

PDF

69.7 KB Created: 2021-10-01 08:55:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06
MD5: 45ebea8473bd8eba6695f8b0de12df53 SHA-1: 5b0f79ed88688fe2c56410c51365579116a5e16c SHA-256: 4afc72ed36c2caa5a2f4b2da2f792f042495f53a371d8a413ebccba5e0e95067
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 5

  • 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 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 http://jiji.pgo.tw/pic/uploads/files/gapunanexilixevufukoxisu.pdf In PDF document text
    • http://mackielaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/funigeligebizogemo.pdfIn PDF document text
    • http://transportdiverse.com/uploads/files/sonodakimukibulifa.pdfIn PDF document text
    • http://yuemeism.com/uploadfiles/files/86879654688.pdfIn PDF document text
    • https://5ky13lu3-1251.com/contents/files/82079369221.pdfIn PDF document text
    • https://rmduncanrealty.com/userfiles/files/podavupoliwire.pdfIn PDF document text
    • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161429bcab5111---91638108840.pdfIn PDF document text
    • http://packagingandfoodmachinary.com/userfiles/file/48127891894.pdfIn PDF document text
    • https://smwebtechnology.com/arishayurveda.com/userfiles/file/dogemedomenifalelegisev.pdfIn PDF document text
    • http://em-mould.com/ckfinder/userfiles/files/3170355843.pdfIn PDF document text
    • https://mudraconsultancy.com/uploads/files/39573542932.pdfIn PDF document text
    • http://80tner.netsociality.com/upload/files/66645688106.pdfIn PDF document text
    • https://www.xtremefitness.com.au/application/third_party/ckfinder/userfiles/files/94424095737.pdfIn PDF document text
    • https://srmhomes.com/images/bulk_images/files/46318356454.pdfIn PDF document text
    • http://thaoduocquyhiem.com/userfiles/image/file/37635045404.pdfIn PDF document text
    • http://namjapizza.com/app/webroot/files/tirula.pdfIn PDF document text
    • https://brahmagnanam.org/fck_uploads/file/liluwozedutilorit.pdfIn PDF document text
    • http://geo-equipe.it/userfiles/files/taxewibawemobazikuli.pdfIn PDF document text
    • http://softtox.com/new/userfiles/file/votemosimu.pdfIn PDF document text
    • http://gizmakina.com/depo/sayfaresim/file/15612286538.pdfIn PDF document text
    • http://paradisetourkorea.com/FileData/ckfinder/files/20210903_07C9CCB399D37325.pdfIn PDF document text
    • http://tentimesneedlehill.com/UPFILE/userfiles/files/95177242677.pdfIn PDF document text
    • http://viettranslators.com/webroot/img/files/bokurofikorarodonizar.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=streaming+film+pablo+escobarPDF link annotation
    • 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_off0000ae80.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAE80 11040 bytes
SHA-256: 01039510d7a0f4930959c8450220c7117d8ef4649116ae1bf3617e63e9849cb7
font_01_sfnt_off0000c7f0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC7F0 15700 bytes
SHA-256: 906b9f47d79ad17dd5c2839eb8b629e7a214a225a67fa65580ceccb397575ad4
font_02_sfnt_off0000efae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEFAE 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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