Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d829c115eb98f00…

MALICIOUS

PDF

308.3 KB Created: 2022-03-21 15:27:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18
MD5: 8b1088222a1215b6f8126857f0d2b351 SHA-1: e86d21c6806aea91f06f0ba3c360a5522cd0c42c SHA-256: 5d829c115eb98f00eb82319e6f0c0248c84f6a353465035fbcf03e7820a65b33
174 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7064

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://lazav.co.za/XSRYdR1H?utm_term=never+say+die+torrent PDF link annotation
    • https://eobliecky.sk/userfiles/file/81039993317.pdfIn PDF document text
    • https://dobre-akce.cz/media/files/file/zewilagurexevigake.pdfIn PDF document text
    • https://dlt-nkp.com/fileupload/file/tesenuxajewaxaxoxudu.pdfIn PDF document text
    • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1620678a697e7a---wuvufewejuzuwegaf.pdfIn PDF document text
    • https://tidymoney.com/ckfinder/userfiles/files/dajebagafa.pdfIn PDF document text
    • https://sabatti.hu/admin/kcfinder/upload/files/momalinevozerelovaw.pdfIn PDF document text
    • http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1623166bec6265---boxowamutodunepigu.pdfIn PDF document text
    • https://xpress2.eu/ckfinder/userfiles/files/fozuvizite.pdfIn PDF document text
    • https://amursvoidom.ru/media/files/xosovozokobekawugorajokox.pdfIn PDF document text
    • http://kprmk.pl/userfiles/file/viritaxa.pdfIn PDF document text
    • http://vietnaminsight.biz/ckfinder/userfiles/files/50135844496.pdfIn PDF document text
    • https://radekslodkiewicz.pl/files/file/41248651527.pdfIn PDF document text
    • http://architettoseneca.com/userfiles/files/wegakikesufivewo.pdfIn PDF document text
    • http://travelsolutions.co/ckeditor/kcfinder/upload/files/nipiti.pdfIn PDF document text
    • http://ecocj.com/userfiles/file/20220303071036.pdfIn PDF document text
    • http://www.granito-terrazzo.be/ckeditor/kcfinder/upload/files/rotijudojuduropelexil.pdfIn PDF document text
    • http://fabrikando.com/cmsimple/images/file/gaxabesanuwovusu.pdfIn PDF document text
    • http://bighost.vn/uploads/userfiles/file/48265222957.pdfIn PDF document text
    • https://saintarseny.ca/sites/saintarseny.ca/files/file/3218739003.pdfIn PDF document text
    • https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/1621d0f2a9579a---33275746850.pdfIn PDF document text
    • https://10kshot.com/customerinterview/ckfinder/userfiles/files/wuwuwefunag.pdfIn PDF document text
    • http://bandodesign.com/assets/ckeditor/kcfinder/upload/files/90679383647.pdfIn PDF document text
    • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1623719d73cb07---35030518005.pdfIn PDF document text
    • https://minervatech.work/js/ckfinder/userfiles/files/faduwedabefoxejufadiv.pdfIn PDF document text
    • https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/161f98e70a0868---90518648919.pdfIn PDF document text
    • https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16200511d13282---jixamox.pdfIn PDF document text
    • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621d7ed0b9198---vigubotudixexemad.pdfIn PDF document text
    • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/856bc860e7615508f478ae1773e18636/sevaluvakijanuzazewidu.pdfIn PDF document text
    • http://www.mswest.co.jp/cmsdesigner/kcfinder/upload/files/dazirutopamafus.pdfIn PDF document text
    • https://e-motorcycle.tw/upload/emotorcycle/files/wodadukubozura.pdfIn PDF document text
    • http://lctrading-gmbh.com/ckfinder/userfiles/files/noxudetizojalub.pdfIn PDF document text
    • http://www.barczyk.plwww.sgpm.krakow.pl/aanewsysn/kcfinder/upload/files/65602835509.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_off000464e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x464E4 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off00047bff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x47BFF 17836 bytes
SHA-256: be077db3a2d0b8ea4b6090a930b3b7903068f6c31398b871e5387f8569f39ad9
font_02_sfnt_off0004aa05.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4AA05 10352 bytes
SHA-256: e2f3301c8f1ed7c1e2e1cc675ba7313aa74b2a4b7b53c4a1e84dce791b8aec4d

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