Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd7497d19ecb58ba…

MALICIOUS

PDF

342.9 KB Created: 2022-02-01 10:49:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: 7124e2756a529e57210b1243fe411909 SHA-1: a2ab3b7e62158aabe36888af60c58bf4a7aed878 SHA-256: cd7497d19ecb58ba65d29441d3150d5f40257785def8fe9e84c549d797cda07d
174 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6388

Heuristics 7

  • 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.
  • 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://podar.co.za/XSRYdR1H?utm_term=digital+marketing+tools+cheat+sheet PDF link annotation
    • http://viswinkelindex.nl/images/uploads/24609898407.pdfIn PDF document text
    • http://chi-kara.net/userfiles/file/digorigu.pdfIn PDF document text
    • https://crcnueva.naturasoftware.com/uploads/images/files/nowokixunelapufunu.pdfIn PDF document text
    • https://webmanagement.laptopservice.ro/images/file/70921167054.pdfIn PDF document text
    • http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16152d7ffb2be5---rugegop.pdfIn PDF document text
    • http://agilesolutions.in/uploads/rirobisoworafazewiril.pdfIn PDF document text
    • https://klivento.ilweb.eu/files/file/lewuzedu.pdfIn PDF document text
    • https://rcvizovice.cz/ckfinder/userfiles/files/19990192976.pdfIn PDF document text
    • https://vildmarksjagt.dk/userfiles/file/sovusunevuzadapi.pdfIn PDF document text
    • http://www.oloron-ste-marie.fr/Oloron/kcfinder/upload/files/71846898958.pdfIn PDF document text
    • https://jkmart.net/FCKFiles/File/dusiguvitab.pdfIn PDF document text
    • https://berettyotv.hu/userfiles/files/ranizokiripefivutazuteku.pdfIn PDF document text
    • https://mklaassen.nl/images/file/32451362919.pdfIn PDF document text
    • https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/6d426f0afa9ba3e16f51edfaf1767aa8/87229076586.pdfIn PDF document text
    • http://electriccityusa.com/images/fck_uploads/file/nafasirege.pdfIn PDF document text
    • http://aiaato.com/FileData/ckfinder/files/20211215_5B059A716C3133BE.pdfIn PDF document text
    • http://e68momo.com/shopadmin/upload/files/97293874769.pdfIn PDF document text
    • https://glozorcom.merlak.ru/userfiles/file/36783294403.pdfIn PDF document text
    • http://dulichtantai.com/files/uploaded/files/12252920702.pdfIn PDF document text
    • http://korvet-sp.ru/userfiles/file/pamamozujigajamidomaw.pdfIn PDF document text
    • http://salwex.hu/file/46768525093.pdfIn PDF document text
    • http://wcsps.com.tw/ckfinder/userfiles/files/77518434164.pdfIn PDF document text
    • http://www.blslogistics.pl/public/scripts/kcfinder/upload/files/tinakiti.pdfIn PDF document text
    • https://residencialconilcosta.es/kcfinder/upload/images/files/12220426218.pdfIn PDF document text
    • http://laptopplus.be/app/webroot/files/userfiles/files/botipugefotazuxozugunez.pdfIn PDF document text
    • http://bluecars.pl/userfiles/file/xanoletegaxuwurasexo.pdfIn PDF document text
    • https://1000families.eu/userfiles/file/66804963958.pdfIn PDF document text
    • https://marljivo.hr/userfiles/file/34032651625.pdfIn PDF document text
    • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/161a40615982e6---xedukad.pdfIn PDF document text
    • http://www.s4b.nl/upload/files/27347270462.pdfIn PDF document text
    • http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615f40b960256---99662331948.pdfIn PDF document text
    • http://tesorosdelayer.es/imgs/images/files/lenedexivufelaxodijix.pdfIn PDF document text
    • http://www.barbazan-debat.fr/ckfinder/userfiles/files/86186150033.pdfIn PDF document text
    • http://tufaghanafc.com/js/ckfinder/userfiles/files/59397400344.pdfIn PDF document text
    • https://www.thaiahpa.com/flash/files/nafevonivemesofemofanora.pdfIn PDF document text
    • http://zhizhencn.com/filespath/files/20220126124910.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0004f090.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4F090 16860 bytes
SHA-256: 53e49d64f95c7362627bbaa306c99ca6d57e4fca00cf33e780dc0f5437ba0683
font_01_sfnt_off00051c8d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x51C8D 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off00053331.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x53331 10768 bytes
SHA-256: 5bfbf67bf962199498b030265584cfc7af88f034feaf04cbb2710d04e9a53c35

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