Malicious PDF — malware analysis report

Static analysis result for SHA-256 793ff353c3795baa…

MALICIOUS

PDF

262.2 KB Created: 2021-08-21 14:05:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-14
MD5: d3db3b3be9798187d2e447dbb161d111 SHA-1: 42bbc94d5f110683349d5e9b35eb1d47a2bd313e SHA-256: 793ff353c3795baa483447730b374aeddaf6a31e7d320d12b360e61574ea8961
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9668

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. 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://archism.ru/uplcv?utm_term=renaissance+and+reformation+quiz+answers PDF link annotation
    • https://superpart.com/files/gelupodolepad.pdfIn PDF document text
    • http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cba300a6b18---45413371555.pdfIn PDF document text
    • http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1606e8193770b2---toxiso.pdfIn PDF document text
    • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/16080a45caff0d---81541592846.pdfIn PDF document text
    • http://studiogiamberardino.it/userfiles/files/vuroruzu.pdfIn PDF document text
    • https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/bb5cb73b409d9a094b583cbffebbe58e/gesapatikaf.pdfIn PDF document text
    • https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/6cfbb961c36cdd6e7bd81a7374dbf89b/wujutanovusurisuziv.pdfIn PDF document text
    • https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610e2d1c88409---lezisunobokimazobowup.pdfIn PDF document text
    • http://myexamadvisor.com/fck_uploads/files/winajoxenekugefatezibuw.pdfIn PDF document text
    • http://gitishahjahanpur.org/ckfinder/userfiles/files/28816768164.pdfIn PDF document text
    • http://salonorganica.ru/upload/files/92057203777.pdfIn PDF document text
    • https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/c9mrmvpv8oconc4mmnpffo45h4/lofizusaripotud.pdfIn PDF document text
    • https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/daad91650526bcb6f92036c7d9f994a6/xalojiwuwurasozize.pdfIn PDF document text
    • https://bulgariapools.com/contents//files/91283737062.pdfIn PDF document text
    • http://e68momo.com/shopadmin/upload/files/80035762934.pdfIn PDF document text
    • https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/1c2651d9b76d82fdedda4ef8a94cd197/25538463909.pdfIn PDF document text
    • http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/160cb5ca525661---68084097748.pdfIn PDF document text
    • http://panyuchen.com/ckfinder/userfiles/site_eachfun_com/files/11513907530.pdfIn PDF document text
    • https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1606c96247942f---15717436306.pdfIn PDF document text
    • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e73b0a873c---wofipigotafira.pdfIn PDF document text
    • https://anpheatingandac.com/nbloom/fckuploads/file/37539563976.pdfIn PDF document text
    • http://ytlcases.com/userfiles/file/pigapedupafoxinebuni.pdfIn PDF document text
    • http://tasteofruraleurope.eu/upload/File/52981306658.pdfIn PDF document text
    • https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abfbe856d4c---80127710283.pdfIn PDF document text
    • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16098c85108112---92098826006.pdfIn PDF document text
    • http://bjhtdszdh.com/v15/Upload/file/20216241030224809.pdfIn PDF document text
    • http://alibabashipping.com/userfiles/file/nidusejakokoj.pdfIn PDF document text
    • 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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00038aa9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x38AA9 16344 bytes
SHA-256: 5cd8a120e106fc2d4fc1855603a636a3ce922decfb1b4d98f17a4a5450337c58
font_01_sfnt_off0003a0a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3A0A3 11028 bytes
SHA-256: fedbf79234916ffe152447a906105b1b1382b8f44591b218ba8a97f0867fc930
font_02_sfnt_off0003ba3d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3BA3D 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_03_sfnt_off0003d24f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3D24F 20804 bytes
SHA-256: ce76634001050f542950aeae293c7fc38b0bb251bcc1f007766a4fab2ba43376