Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3ea1cbcbb845aaf…

MALICIOUS

PDF

79.8 KB Created: 2021-09-21 09:26:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21
MD5: 4d464934b7fa335f23be2c0f60f0a424 SHA-1: 83c7aa63f600c52accd57099ad8ff0acdd0c1374 SHA-256: d3ea1cbcbb845aaff1dcfdaa553d0eecccd1df0a5f6d5b9c9699a17326c179ce
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9981

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://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/16142f96bd03a7---najij.pdf In PDF document text
    • http://ohappy.org/userData/board/file/19978189689.pdfIn PDF document text
    • http://selfmadefilms.nl/userfiles/files/97848806387.pdfIn PDF document text
    • http://neogmbh.de/www/sites/default/files/userfiles/file/zadakot.pdfIn PDF document text
    • http://hyunshin.net/userfiles/file/11284590321.pdfIn PDF document text
    • https://amursvoidom.ru/media/files/fesovakuzaziwu.pdfIn PDF document text
    • https://pushtypathshala.com/demo/aims/files/images/files/3182307280.pdfIn PDF document text
    • http://le383.com/uploads/files/patikivasejulapifuxiveb.pdfIn PDF document text
    • https://kingcom.edesign.fr/gr33/web/uploads/assets/file/texasunuxuzejitatasakas.pdfIn PDF document text
    • https://bimore.vn/webroot/img/files/89937257628.pdfIn PDF document text
    • http://mps-india.com/userfiles/files/vofiru.pdfIn PDF document text
    • http://mingmitrcoffee.com/user_img/files/61281277213.pdfIn PDF document text
    • http://lukinserv.hu/file/gejemive.pdfIn PDF document text
    • http://3asoft.vn/img/files/lumosifuwisomi.pdfIn PDF document text
    • http://simonhoirup.dk/userfiles/file/27240912255.pdfIn PDF document text
    • http://hanart21.com/files/userfiles/file/66747455584.pdfIn PDF document text
    • http://phuvuongcorp.com/luutru/files/87054320036.pdfIn PDF document text
    • https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/d2a230df87d8ae8af0e82f426ef0273f/96558996653.pdfIn PDF document text
    • http://rhondachem.com/d/files/lipodeligulebusov.pdfIn PDF document text
    • https://calson.garment-pro.com/ckfinder/userfiles/files/pogulidovivawemuvekuw.pdfIn PDF document text
    • https://haysalon.com/public_html/userfiles/file/gikifumotefufosidokefomu.pdfIn PDF document text
    • http://ayurveda-shiatsu-qigong-nice.com/upload/files/56895099857.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=samurai+jack+season+1+episode+1PDF 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_off0000d276.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD276 10980 bytes
SHA-256: b43c30ebd7fe419455dddab2dc9fef3f9160a58729c3e61cfc97a8238954ec62
font_01_sfnt_off0000ebe3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEBE3 17688 bytes
SHA-256: f09229fc5598291be53ea53e86866c5a596560f432cf5aad90392af464526e30
font_02_sfnt_off00011949.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11949 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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