Malicious PDF — malware analysis report

Static analysis result for SHA-256 425a09919ae57584…

MALICIOUS

PDF

302.2 KB Created: 2022-01-14 19:28:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-15
MD5: c5f2ff52f1b850703b2fbcc5a28eed95 SHA-1: 87fa013ee285765edf9a085bae946d1f9e09e7b7 SHA-256: 425a09919ae5758474df4d3a94e8b583e0b9a7b258ec3028dce27916cc2d5d95
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.8128

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161ac5331b5854---vofutavoguramimeramaxabe.pdf In PDF document text
    • https://gancza-yacht.pl/userfiles/file/lawikorex.pdfIn PDF document text
    • http://krajcsovicz.hu/kcfinder/upload/files/63998810730.pdfIn PDF document text
    • http://qdy.sdsgs.com/userfiles/file/xovopeguporidekofesadawij.pdfIn PDF document text
    • https://tidurmalam.com/contents/files/puwebomirupifakimuruleka.pdfIn PDF document text
    • https://carmelocuritiba.com.br/ckfinder/userfiles/files/xabawusujenisezu.pdfIn PDF document text
    • http://yesfabric.com/images/upload/File/genazaworegadatawopusobi.pdfIn PDF document text
    • http://aquaview.net/uploads/assets/files/68303091134.pdfIn PDF document text
    • http://mdbim.pl/ubezpiecz/obrazy/file/gejabasijenimilimeronix.pdfIn PDF document text
    • http://sprinter-lab.ru/content/File/33285097529.pdfIn PDF document text
    • http://www.azurwelcomeservices.com/userfiles/file/palebij.pdfIn PDF document text
    • https://anfauglir.com/images/file/bekab.pdfIn PDF document text
    • https://www.comperat-89.fr/ckfinder/userfiles/files/wujekovulomawawisasebom.pdfIn PDF document text
    • http://duancanhotot.com/upload/files/82246196616.pdfIn PDF document text
    • http://ornito-silesia.eu/userfiles/file/17992294691.pdfIn PDF document text
    • http://fairfresh.net/assets/admin/ckeditorimage/files/91860055821.pdfIn PDF document text
    • https://keepingscore.org/userfiles/file/nofukajewanasobut.pdfIn PDF document text
    • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/7372e922b9ca5ec7768ab47c847b7cac/madubipuriwe.pdfIn PDF document text
    • http://solee56.com/ckfinder/userfiles/files/zitadirux.pdfIn PDF document text
    • http://phuwangnam.com/user_file/file/43057131577.pdfIn PDF document text
    • https://oxi-dental.ro/imagini_ws/lotepuranuxizameta.pdfIn PDF document text
    • https://telorgabus.com/contents/files/punovaw.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Gsjc/~3/vItLtdF7Pec/uplcv?utm_term=python+2.+7.+5+64+bitPDF 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_off000444b8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x444B8 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_01_sfnt_off00045b5c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x45B5C 10468 bytes
SHA-256: d2beddf77ccaadc063739a96c293908a703f3626d9a85ca6b7d6e11b59d58d2e
font_02_sfnt_off0004733b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4733B 20920 bytes
SHA-256: 463fd1ccc00973011cf91efc2cb992c7719d7a6e1ce044b17e890edb31b8e6f2

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