Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2f788f1a3d321aa…

MALICIOUS

PDF

81.7 KB Created: 2021-09-12 11:24:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-13
MD5: f8d9103faa72f09a8cdd35af9c1c3c99 SHA-1: f9efbb88c5c2fbf74dfa892b50cba435f0c92402 SHA-256: f2f788f1a3d321aaa17b56596581c65b561b7428824d4c96b7a188cfca1f1e3e
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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://onlinecommerce.bg/uploads/pages/files/berujuda.pdf In PDF document text
    • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/16138d01907c30---zogotowavi.pdfIn PDF document text
    • https://serviceelectric.ca/userfiles/file/97386549775.pdfIn PDF document text
    • http://nollve.com/img/editor/image/file/65302875949.pdfIn PDF document text
    • http://raczcsalad.hu/files/bikewagoboferugosixemag.pdfIn PDF document text
    • http://hstairan.com/FCKeditor/editor/filemanager/connectors/php/userfiles/file/poxiwigagijugelijakarufe.pdfIn PDF document text
    • http://hydrem.ru/images/file/88178496326.pdfIn PDF document text
    • http://teleinwestor.com/userfiles/file/midefawixuridusonudox.pdfIn PDF document text
    • https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/86d7d607dbe6e1a4d52a6ccd6ed5d203/jozubuxew.pdfIn PDF document text
    • http://sichera.eu/userfiles/files/lawosokajik.pdfIn PDF document text
    • https://jmbarrenetxea.soinuenea.eus/files/galeria/files/japopuximu.pdfIn PDF document text
    • http://ttlh.vn/storage/ckfinder/files/7658377470.pdfIn PDF document text
    • http://ekstelekom.com/userfiles/file/17601994108.pdfIn PDF document text
    • https://highlander-inn.com/assets/userfiles/files/19477162943.pdfIn PDF document text
    • https://xn--80aaa1arbfjoe3bzh.xn--p1ai/data/files/23995049786.pdfIn PDF document text
    • http://huabulaw.com/uploadpic/2021-9/file/2021090701532773499.pdfIn PDF document text
    • http://pekingtogo.com/uploads/files/ginosodikizex.pdfIn PDF document text
    • http://togul.org/sites/default/files/file/34329578053.pdfIn PDF document text
    • http://montpellier-businessplan.eu/mbp/upload/images/images/upload/ckfinder/penoluxijakoxeguxixoxi.pdfIn PDF document text
    • http://studiobaliva.eu/userfiles/files/95456484349.pdfIn PDF document text
    • http://kartinatv.org/uploads/files/4373294013.pdfIn PDF document text
    • http://vinhthuan.com/upload/files/52230745846.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=dragon+quest+tact+androidPDF 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_off0000dace.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDACE 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000f2e0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF2E0 17648 bytes
SHA-256: ea4c420a92a5689760e2375fcface8a914e2db96cd0950193c39468e13259648
font_02_sfnt_off000120fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x120FD 10748 bytes
SHA-256: ea75f10daa98ba0f089fc8d6ab1479e5f2d8e99eb926199ae8ba808a6dea41b1

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