Malicious PDF — malware analysis report

Static analysis result for SHA-256 782c481d8f7e26b6…

MALICIOUS

PDF

68.8 KB Created: 2021-10-04 17:26:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-16
MD5: 994037626ddf03aa635840888485dd35 SHA-1: 3fb80451b99cfd67e43b9ab6a745af4299cf7246 SHA-256: 782c481d8f7e26b6e29656b09cb28c22593cd72e6c4e2029ca06877d291a246f
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9951

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://luxesystem.site/js/ckfinder/userfiles/files/40643399198.pdf In PDF document text
    • https://gotoko.com/cmsv2/upload/files/51373098076.pdfIn PDF document text
    • http://serenetour.com/image/upload/File/24746446053.pdfIn PDF document text
    • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/161599eb067d92---naweresuvi.pdfIn PDF document text
    • https://pianotuningdarwin.com/userfiles/files/jixuwotogetaruvax.pdfIn PDF document text
    • http://zpb-maciejewski.pl/upload/fck/file/12377744634.pdfIn PDF document text
    • https://uzmanwebci.com/calisma2/files/uploads/94319651872.pdfIn PDF document text
    • https://ever-progress.com/upload/files/19901412255.pdfIn PDF document text
    • https://tyeetomsfishing.com/userfiles/file/15589173850.pdfIn PDF document text
    • https://cardolf.ro/files/39939125121.pdfIn PDF document text
    • http://evola.it/userfiles/files/89687305680.pdfIn PDF document text
    • http://sellmysayarah.com/userfiles/files/titavori.pdfIn PDF document text
    • https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/4741708fd2f645aa3372793116e98ad0/91090576604.pdfIn PDF document text
    • http://epmresearch.org/userfiles/files/goredepamaduvixadokib.pdfIn PDF document text
    • http://asr-net.ru/uploads/files/xuxorituva.pdfIn PDF document text
    • http://way-of-spirit.ru/upload/file/lefitoredagesi.pdfIn PDF document text
    • http://e-baze.lv/images/site/file/2639258904.pdfIn PDF document text
    • http://fourfoods.com/images/files/newofivurovizowuj.pdfIn PDF document text
    • http://xn--h49al33a2zdp0eo1x.com/DATA/file/20210909043524.pdfIn PDF document text
    • http://thanglong.vn-greenenergy.com/ckfinder/userfiles/files/dezagogikakepiwux.pdfIn PDF document text
    • https://gionggiacam.com/ckfinder/userfiles/files/xigipapimiravelevakif.pdfIn PDF document text
    • https://regaluxiluminacion.com/uploads/assets/file/siradidazonawiv.pdfIn PDF document text
    • https://www.iieng.org/editor/ckfinder/userfiles/files/zikoletovumakutuvuda.pdfIn PDF document text
    • https://larsonsvanservice.com/nbloom/fckuploads/file/wulibug.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=iphone+image+to+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_off0000b0bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB0BC 15064 bytes
SHA-256: b02bdc13b7c1f54961aa6344c269891fee60522ee0e324a441e7752f769d4544
font_01_sfnt_off0000d68b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD68B 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0000eea2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEEA2 10580 bytes
SHA-256: 879a5d7c0c6fd40c6da6fd8ecc612147adedd224959dc673f810833ce95fdade

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