Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e32c403e0baaffc…

MALICIOUS

PDF

122.7 KB Created: 2021-10-14 15:20:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: 027ee973bd4faa33ebe4538ac865419b SHA-1: f5332780ac8c98fcc697a79ceb23a20962ca4ab2 SHA-256: 4e32c403e0baaffcba48ec8d1c82179fb362c28ded18d96df7784e4293950b41
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://et-auditing.com/userfiles/files/kadobo.pdf In PDF document text
    • http://stensoproject.com/userfiles/files/7993672594.pdfIn PDF document text
    • http://bwemfjhjk.friend-match.com/upload/files/1633783885.pdfIn PDF document text
    • https://www.comperat-89.fr/ckfinder/userfiles/files/72924377007.pdfIn PDF document text
    • https://cryptobasics.biz/uploads/files/jefubogizelisukiwaserez.pdfIn PDF document text
    • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615929d852f0c---xubawevawug.pdfIn PDF document text
    • http://dulichtantai.com/files/uploaded/files/71913014618.pdfIn PDF document text
    • http://shijijiaming.cn/filespath/files/20211006072710.pdfIn PDF document text
    • http://homestationrealty.com/userfiles/files/jebijijon.pdfIn PDF document text
    • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/itui7msknmbn7jd7a6d8534910/37832793171.pdfIn PDF document text
    • http://ausafe.net/images/art/files/11146786792.pdfIn PDF document text
    • http://federicozucchettiarchitetto.eu/userfiles/files/87543281850.pdfIn PDF document text
    • http://www.performhabitat.fr/bundles/astadmin/js/ckfinder/userfiles/files/25834214328.pdfIn PDF document text
    • http://tjsijiqing.com/ckfinder/userfiles/files/2021/1001/a2c19d629f57a283e2f35d48fffa18e3.pdfIn PDF document text
    • http://metabolit-plus.ru/files/file/75593760770.pdfIn PDF document text
    • http://www.puhito.hu/uploads/43006399854.pdfIn PDF document text
    • http://santinitravel.co/files/others/80335984467.pdfIn PDF document text
    • https://lekkermooi.nl/userfiles/file/fefexasunobuvej.pdfIn PDF document text
    • https://www.sesc-am.com.br/Selecao/ckfinder/files/subawikuzope.pdfIn PDF document text
    • http://marupi.de/UserFiles/File/46965021788.pdfIn PDF document text
    • http://seoulgreeter.com/userData/board/file/titagoxibaxikajelawes.pdfIn PDF document text
    • http://feedproxy.google.com/~r/Xvkpad/~3/vItLtdF7Pec/uplcv?utm_term=difference+between+a+positive+and+normative+statementPDF 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_off0001773e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1773E 11028 bytes
SHA-256: f157bd61e14b6397272d328212dcd65924f9d0d8a54033f2d8f44bd93f55a3b7
font_01_sfnt_off000190c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x190C2 20284 bytes
SHA-256: 93142b6eefce738b638fe44d6cfb261b23c36441d6871109cc6f7ce6ed2a2076
font_02_sfnt_off0001c42e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1C42E 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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