Malicious PDF — malware analysis report

Static analysis result for SHA-256 191dae9af0f4a9e3…

MALICIOUS

PDF

83.2 KB Created: 2021-10-13 13:47:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-22
MD5: 0d9918e5b2459113a6f49c4cce5742fc SHA-1: dc8d45650be9337a4ff41d56039517403ac3039a SHA-256: 191dae9af0f4a9e3b32fb657c2656d1fb37eae986823bba273d22466acb26215
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9974

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 https://designclarf.it/file/kizibeton.pdf In PDF document text
    • https://www.disbel.es/ckfinder/userfiles/files/bonefewimiw.pdfIn PDF document text
    • https://triatlonshop.cz/userfiles/file/riwaxozuvevugufogolinujav.pdfIn PDF document text
    • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16161062425036---62591334525.pdfIn PDF document text
    • http://sun-green.be/ckfinder/userfiles/files/90044183808.pdfIn PDF document text
    • https://bohemiamaestro.com/webpagebuilder/ckfinder/userfiles/files/75296215822.pdfIn PDF document text
    • http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148c98b67418---83856644456.pdfIn PDF document text
    • https://smlstripedbass.com/home/rock/public_html/ckfinder/userfiles/files/kuxasewujiv.pdfIn PDF document text
    • http://dexgerm.com/data/file/userfiles/files/25179272371.pdfIn PDF document text
    • http://omegapizza.net/uploads/files/jusifaretib.pdfIn PDF document text
    • http://turagent007.ru/userfiles/file/63705902217.pdfIn PDF document text
    • http://andreevka.topmebli.com/content/xuploadimages/file/zotuve.pdfIn PDF document text
    • http://udmvdpo.ru/images/files/wuzeladujapinal.pdfIn PDF document text
    • http://lactopad.com/uploads/files/veruvuwaramuvufujevew.pdfIn PDF document text
    • http://goldmustang.ru/files/files/nukazoremik.pdfIn PDF document text
    • https://resepangka.org/contents/files/4427129207.pdfIn PDF document text
    • https://nutrishop.in/ci/userfiles/files/47612964269.pdfIn PDF document text
    • https://kipass.fr/userfiles/file/35981500515.pdfIn PDF document text
    • http://cuanhomkinhtoanthang.com/media/file/41918466108.pdfIn PDF document text
    • https://trouver-une-ssii.com/img/pics/files/66998117189.pdfIn PDF document text
    • https://hondamienbac.vn/userfiles/file/72175947995.pdfIn PDF document text
    • https://chingchia.com/uploads/files/202109241832166845.pdfIn PDF document text
    • http://drukarnia-skawina.pl/app/webroot/media/files/99199805390.pdfIn PDF document text
    • http://koreabulk.net/userData/board/file/pinasiboduwidabebigef.pdfIn PDF document text
    • http://feedproxy.google.com/~r/Xvkpad/~3/xPAns0MRe5M/uplcv?utm_term=five+hindrances+to+growth+in+grace+kenneth+e+hagin+pdfPDF 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_off0000dc45.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDC45 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000f45c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF45C 11076 bytes
SHA-256: 73e85fcdc8114e84a249feebef26ce15c7575fedb91fb1dff7fb7dfa8f2e48e7
font_02_sfnt_off00010dfc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10DFC 18596 bytes
SHA-256: 1d99101393be87e6b89cc6423ae4caba210983f1076baab98849374367ac9843

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