Malicious PDF — malware analysis report

Static analysis result for SHA-256 793661e11aca9e56…

MALICIOUS

PDF

70.8 KB Created: 2021-10-03 14:28:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-15
MD5: b0fe83f58d2602f5eb94135ef59eb772 SHA-1: 9dff05ca335ad62f7b3a160ee8f78b590f097f05 SHA-256: 793661e11aca9e560dafbaa0634e64527f43e15f2dfe38dd0cb008755f6502a4
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9951

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 https://istanbularicilikfestivali.com/upload/ckfinder/files/30882032574.pdf In PDF document text
    • http://siciny.pl/userfiles/file/dipigozew.pdfIn PDF document text
    • http://vankouwenenmastop.nl/UserFiles/file/431265000.pdfIn PDF document text
    • http://market-oborudovanie.ru/upload/file/nitajixedoj.pdfIn PDF document text
    • https://arerp.kr/data/file///74484379339.pdfIn PDF document text
    • https://tourpon.kr/FileData/ckfinder/files/20210921_564851E80E62EF09.pdfIn PDF document text
    • http://jnnycc.org/userfiles/file/kogexuduna.pdfIn PDF document text
    • https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161406307d7d19---88259787764.pdfIn PDF document text
    • http://vcelari.naceradec.cz/includes/ckfinder/userfiles/files/56130453385.pdfIn PDF document text
    • http://guides2alpes.org/uploads/file/92296629982.pdfIn PDF document text
    • http://lixupeng.com/uploads/files/76930629616.pdfIn PDF document text
    • https://apteka-wratislavia.pl/halatecza/userfiles/file/86282557331.pdfIn PDF document text
    • http://www.andreapondika.cz/file/59778052227.pdfIn PDF document text
    • http://ageddfjtjgrade.pretty-match.com/upload/files/3599196669.pdfIn PDF document text
    • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1612f554d7ff22---tozotinumelopufamure.pdfIn PDF document text
    • http://fuyu.010bi.com/ckfinder/userfiles/files/ratekurujaw.pdfIn PDF document text
    • https://triyoga-tv.ru/userfiles/file/gawem.pdfIn PDF document text
    • http://erainbowrealty.com/userfiles/file/gisozabolibepuwilatafepew.pdfIn PDF document text
    • http://nhagiatxanh.com/public/default/ckeditor/files/guxibagisulep.pdfIn PDF document text
    • http://julianina.dk/upload/file/wosefug.pdfIn PDF document text
    • https://quangcaonoithatgiahung.com/admin/webroot/upload/image/files/28882507916.pdfIn PDF document text
    • http://sxsasa.org/images_fck/file/1631488355.pdfIn PDF document text
    • https://twinscooking.nl/twins/userfiles/file/mexufenavatubovej.pdfIn PDF document text
    • http://saint-party.com/media/file/74855453584.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=to+be+consumedPDF 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_off0000b4fb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB4FB 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000cd0d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCD0D 16436 bytes
SHA-256: c6c9ce9d02591d500af68fa498efa52441526709fb00794b4f1321bb75ab43eb
font_02_sfnt_off0000f706.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF706 10236 bytes
SHA-256: 48e6e1ef6dd729ca4e0290f0606c1246399ed37554678094eb79bf9bff18aedd

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