Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2f95dab90d3e230…

MALICIOUS

PDF

77.1 KB Created: 2021-10-28 19:31:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-13
MD5: c9f3907889e3447221ccb64905bd7347 SHA-1: b49e830cee8cfa45c4ed4d8525b0402531f9c2f0 SHA-256: f2f95dab90d3e230a1f717422046a22a03790029d22b49eaa7f86d866d672e45
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9953

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://df-2.de/images/daten/file/36551606746.pdf In PDF document text
    • http://www.beautyvogue.ch/Files/file/vilemaduxupa.pdfIn PDF document text
    • https://acryl-bg.com/userfiles/file/73755853689.pdfIn PDF document text
    • https://beautifulhairstore.com/upload/files/20672869618.pdfIn PDF document text
    • http://progettarecasa.com/userfiles/files/24920370793.pdfIn PDF document text
    • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/161680cb826f25---24186943195.pdfIn PDF document text
    • http://www.ssc-ras.ru/ckfinder/userfiles/files/refinoz.pdfIn PDF document text
    • https://nguyenvanhuongloc.vn/app/webroot/files/images/pages/files/76766263372.pdfIn PDF document text
    • http://nextlab-semi.com/files/fckeditor/file/30496593052.pdfIn PDF document text
    • https://recapress.com/ckfinder/userfiles/files/filere.pdfIn PDF document text
    • https://bluza-shop.ru/content/File/22327846982.pdfIn PDF document text
    • https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/05cee734c956d7b1f0946c4f8b3f704e/94039520289.pdfIn PDF document text
    • http://nj-rshb.com/v15/Upload/file/202192494617757.pdfIn PDF document text
    • https://szamitogep-szerviz-javitas.hu/ckfinder/userfiles/files/39030535031.pdfIn PDF document text
    • http://toptoptraining.ru/img/upload/file/nikufuxu.pdfIn PDF document text
    • https://megalightgroup.lv/uploads/files/57223481816.pdfIn PDF document text
    • http://ezclasssites.com/var/wwww/dev-ezclasssites-com/data/files/69323605074.pdfIn PDF document text
    • https://angkoronetour.com/userfiles/file/nepojobuxisiwaviwi.pdfIn PDF document text
    • http://pointerboards.com/uploads/admin/files/gasasuxejeferimage.pdfIn PDF document text
    • https://mobilaide.com/upload/editor/file/vozazonalubuxabijoramusas.pdfIn PDF document text
    • https://kristinanamaste.eu/files/31485766454.pdfIn PDF document text
    • http://rld-carbon.ru/file/rufujuw.pdfIn PDF document text
    • https://retake.dk/ckfinder/userfiles/files/94287150875.pdfIn PDF document text
    • http://feedproxy.google.com/~r/MbOu/~3/HTGXzuRVGb4/uplcv?utm_term=100+ml+to+deciliterPDF 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_off0000cad4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCAD4 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000e2eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE2EB 10172 bytes
SHA-256: 896e19f5524e9163795aed2883c26876f9e636e5329cbc65820204a5cfbd1c49
font_02_sfnt_off0000f992.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF992 17464 bytes
SHA-256: 5345e3e8ed0ce8a3053b1fc0dd1cee83f4db3979c5ad9a01858c51fe594afb02

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