Malicious PDF — malware analysis report

Static analysis result for SHA-256 425aab94a07bf40d…

MALICIOUS

PDF

162.9 KB Created: 2021-12-02 14:49:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-15
MD5: 1c36e9dac4ddc22c862ba2629207a3cd SHA-1: 87f47c4c610d00def1b18d9c19f8f733df939317 SHA-256: 425aab94a07bf40d0cafe5bbf3b5624587482cf1257c1af5fb6b5f179b60498d
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9794

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://webshopplus.nl/app/webroot/files/userfiles/files/19923382311.pdf In PDF document text
    • https://www.thic.net/plugin/ce1/ckfinder/userfiles/files/xewelegufu.pdfIn PDF document text
    • http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/161a0dd9138a6e---zizavomewogi.pdfIn PDF document text
    • https://vibangnhadat.com/uploads/files/96149509372.pdfIn PDF document text
    • https://archielectronics.com/userfiles/files/53548962094.pdfIn PDF document text
    • http://pantanalmsnews.com.br/ckfinder/userfiles/files/87952893396.pdfIn PDF document text
    • https://gameclub.by/uploads/files/66966918001.pdfIn PDF document text
    • http://brenna-ski.pl/userfiles/file/jujufekimoduvapezel.pdfIn PDF document text
    • http://terwaarde.be/ckfinder/userfiles/files/45263289307.pdfIn PDF document text
    • http://xn--2e0b30g3uq7pay7m.com/upload/fckeditor/file/82420563831.pdfIn PDF document text
    • http://www.schule.havonix.com/ckfinder/userfiles/files/gumimugezur.pdfIn PDF document text
    • http://salonrowerowy.com/userfiles/file/zumid.pdfIn PDF document text
    • http://psychologkmalinowska.pl/ckfinder/userfiles/files/81875639275.pdfIn PDF document text
    • https://bisleriuber.genefied.co/ckfinder/userfiles/files/24602367667.pdfIn PDF document text
    • http://www.anapharmata.hu/ckfinder/core/connector/php/files/nosegasemolubuxofavo.pdfIn PDF document text
    • https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1616db8a1dab6b---29157778145.pdfIn PDF document text
    • http://modaxch.com/userfiles/files/18775889411.pdfIn PDF document text
    • http://hanauhrova.cz/files/60670083703.pdfIn PDF document text
    • https://dom4m.de/userfiles/files/18239933820.pdfIn PDF document text
    • http://centromedicoveterinarioadda.com/userfiles/files/87671109614.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Gsjc/~3/6Zflnl449io/uplcv?utm_term=scientific+principles+of+strength+training+bookPDF 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_off000215df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x215DF 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_01_sfnt_off00022c7e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x22C7E 20492 bytes
SHA-256: e04adf7c1f34b90352e30ad4dbbaf2f30e5bf095ee36007b9716969213a7abcc
font_02_sfnt_off00026136.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x26136 11064 bytes
SHA-256: eb149c65bdaa55884f6b7a421305397217497ee77f9ef821a19d423fd03da5be

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