Malicious PDF — malware analysis report

Static analysis result for SHA-256 78290d929ae43ba2…

MALICIOUS

PDF

82.7 KB Created: 2021-09-12 09:52:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-16
MD5: fb04374323bac34cb464003562926996 SHA-1: d46adf2c53b48f5a546504eaf72be2e5e6203162 SHA-256: 78290d929ae43ba259c679c55c8fc46e30af0cb2e905824df803ed405df4e915
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9955

Heuristics 5

  • 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.
  • 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://3wsystems.com/shipinc/userfiles/files/sokeketowuk.pdf In PDF document text
    • http://dragonera.cn/admin/userfiles/file/xonegukirixari.pdfIn PDF document text
    • http://artsar.pl/userfiles/file/8329937415.pdfIn PDF document text
    • http://sakesushilakehavasu.com/uploads/files/waderubadosa.pdfIn PDF document text
    • http://pescepiana.eu/userfiles/files/suran.pdfIn PDF document text
    • http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16131f21d969db---59145322970.pdfIn PDF document text
    • https://valenciamaids.com/userfiles/files/8320829099.pdfIn PDF document text
    • https://norservis.com/files/files/ziximuvekoj.pdfIn PDF document text
    • https://clubon.top/uploads/files/75535394166.pdfIn PDF document text
    • http://2013.letnifestiwal.pl/ckfinder/userfiles/files/12178270567.pdfIn PDF document text
    • https://evpersoneli.net/ev-personeli/file/89745056354.pdfIn PDF document text
    • http://gowowdeli.com/uploads/files/89743366689.pdfIn PDF document text
    • http://csc0532.com/userfiles/file/20210905130040_vbiasa.pdfIn PDF document text
    • http://uniroll.pl/user_images/file/kelubat.pdfIn PDF document text
    • http://gz-theoutfit.com/UploadFiles/FCKeditor/20210906015340.pdfIn PDF document text
    • https://transmar.biz/ckfinder/userfiles/files/72623046255.pdfIn PDF document text
    • http://villkasz.hu/editor_up/resaxaxif.pdfIn PDF document text
    • http://clinicaveterinariagoitese.it/userfiles/files/25217937258.pdfIn PDF document text
    • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/k14gr6b9vesb7j82eqb4fme5r6/27139302113.pdfIn PDF document text
    • http://lt101shop.com/userfiles/files/42532859980.pdfIn PDF document text
    • http://hotstamping.pl/files/file/28014315987.pdfIn PDF document text
    • http://montpellier-businessplan.com/mbp/upload/images/images/upload/ckfinder/12564824460.pdfIn PDF document text
    • http://ultraljud.nu/bild/files/dovisepugisafezupigimawin.pdfIn PDF document text
    • http://mastrodibaglio.it/userfiles/files/77422576158.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=on+movies+apkPDF 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_off0000d94e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD94E 10352 bytes
SHA-256: f5d188b7da83aad7e6d2689c9009b7e392938392dc2467fd130a1cc69f53fe59
font_01_sfnt_off0000f0b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF0B6 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off000108c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x108C8 20096 bytes
SHA-256: d3f8ebec58b5e42124ece48873a52ad74db9cd69e7f87387ed537d30be22f853

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