Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d3a8be31558cccb…

MALICIOUS

PDF

179.2 KB Created: 2022-04-02 07:33:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-14
MD5: 2c4282102893b4c56880ce33e7e55e62 SHA-1: a1e9e1c5be0f203e4191d8d30c4c3a6d1f8a2900 SHA-256: 0d3a8be31558cccb915385cf834bac2edda28dddba40828a6fc70e82ed3e8f0b
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9856

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 https://wirut.co.za/YmrXLWy8?keyword=caja%20registradora%20sharp%20xe-a102%20manual%20espa%C3%B1ol PDF link annotation
    • http://austral-immo.com/userfiles/files/gukegokav.pdfIn PDF document text
    • http://reklamnizbozi.cz/data/upload/files/51576121970.pdfIn PDF document text
    • https://anupbolivia.com/images/files/78525697488.pdfIn PDF document text
    • http://maskaevlawyer.ru/userfiles/file/19842695971.pdfIn PDF document text
    • http://epmachine.ru/d/files/74295545723.pdfIn PDF document text
    • http://longvu.vn/Images_upload/files/53761232852.pdfIn PDF document text
    • https://clearpatth.com/userfiles/file/neferotikowinuzi.pdfIn PDF document text
    • https://tateleref.weebly.com/uploads/1/3/5/3/135322569/7750419.pdfIn PDF document text
    • https://gesusetinor.weebly.com/uploads/1/3/4/6/134685025/daripijal.pdfIn PDF document text
    • https://mail.insetclean.com.br/kcfinder/upload/files/punuj.pdfIn PDF document text
    • https://digakope.weebly.com/uploads/1/3/5/9/135974251/pupefiwoworaz_lusumofuseveju_leweb.pdfIn PDF document text
    • https://gazasajud.weebly.com/uploads/1/3/4/8/134879445/2c4a3a9.pdfIn PDF document text
    • http://aviafond.ru/userfiles/file/94453808754.pdfIn PDF document text
    • https://nepalfinepashmina.com/userfiles/file/mugakakex.pdfIn PDF document text
    • https://kazumole.weebly.com/uploads/1/3/1/4/131454435/sasij.pdfIn PDF document text
    • http://czdashan.cn/uploadfile/file/2022022202031073499.pdfIn PDF document text
    • https://zisowuwaxafo.weebly.com/uploads/1/3/4/7/134700917/gavelok.pdfIn PDF document text
    • https://ragadavifomo.weebly.com/uploads/1/3/5/3/135306528/c58c0892360be69.pdfIn PDF document text
    • http://eotp.info/sites/default/files/fck/file/lifexalelatijepom.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024045.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x24045 11736 bytes
SHA-256: 23728033558879573f70f40bb8db6c8665fd16874ad56661f131a54b93112fbd
font_01_sfnt_off00025bc3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x25BC3 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off000273d5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x273D5 19116 bytes
SHA-256: d7169f465841bc21fb4dd2dc0d03b9c7db175777d174807922a39b32a770db73
font_03_sfnt_off0002a5ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2A5AE 16076 bytes
SHA-256: 0491ab1f9781984131449868ed95f15036bddabad70a51597ae233fa8bdf08d0

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