Malicious PDF — malware analysis report

Static analysis result for SHA-256 191d767185ad6996…

MALICIOUS

PDF

82.2 KB Created: 2021-10-12 02:04:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-22
MD5: a9005dfd866ed9932919892d8eacab43 SHA-1: d41b5c729d874a1009d99b8378ba1f7104fc6b13 SHA-256: 191d767185ad69960476fb3f602a549365a7380befa204dfca5b8fb61b4c739b
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9981

Heuristics 6

  • 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.
  • 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://crewmak.ru/uplcv?utm_term=lincoln+park+golf+course+rates PDF link annotation
    • http://studiosaletta.it/userfiles/files/gopekawavotujuz.pdfIn PDF document text
    • http://7166867.ru/ckfinder/userfiles/files/sojujewogoxika.pdfIn PDF document text
    • http://cs-web-design.de/ablage/userfiles/files/4528436236.pdfIn PDF document text
    • https://andrejc.si/files/file/27113226111.pdfIn PDF document text
    • https://zlatartopalovic.rs/files/49544899753.pdfIn PDF document text
    • https://contemporaryteas.in/admin/uploads/file/rewiv.pdfIn PDF document text
    • http://rubella2.integra-sh.com/userfiles/file/98440568173.pdfIn PDF document text
    • http://wcsps.com.tw/ckfinder/userfiles/files/jijononimosefi.pdfIn PDF document text
    • http://energo-winstal.pl/userfiles/file/60780941565.pdfIn PDF document text
    • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/161516e1681280---85959974302.pdfIn PDF document text
    • http://hnc2.com/userfiles/file/31685839889.pdfIn PDF document text
    • http://ozhelalikram.de/resimler/files/nitinuvijelebagoke.pdfIn PDF document text
    • http://tongkhomica.com/upload/files/15093166171.pdfIn PDF document text
    • https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615fce9511608---94255011049.pdfIn PDF document text
    • http://plovdivweek.com/app/templates/js/ckfinder/userfiles/files/totipew.pdfIn PDF document text
    • http://drentmedischadvies.nl/uploads/files/70695063538.pdfIn PDF document text
    • https://harley.dataroom.tw/upload/files/11351528830.pdfIn PDF document text
    • http://eg-connect.com/php_codes/Scott/VieauAssociates/code/userfiles/file/38823681055.pdfIn PDF document text
    • http://c2ctrading.org/cms_upload/files/gikasizedenaredoli.pdfIn PDF document text
    • https://renhedc.com/uploads/files/202110060253119747.pdfIn PDF document text
    • http://birizgardenhotel.com/userfiles/file/38613600085.pdfIn PDF document text
    • https://youxsoft.com/uploads/files/57172204161.pdfIn PDF document text
    • 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_off0000d68a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD68A 19404 bytes
SHA-256: 9351295c3f7657474411434d23aeef084ba2692ad168bb02ef0ac17c87ed6d9f
font_01_sfnt_off000109b4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x109B4 10804 bytes
SHA-256: 22d5bb712a357be80d963431cae770713b50213c37d3d419b5d4f86a8cf2e892
font_02_sfnt_off000122c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x122C2 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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