Malicious PDF — malware analysis report

Static analysis result for SHA-256 72bd6043a8f3f584…

MALICIOUS

PDF

702.4 KB Created: 2022-02-26 03:30:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28
MD5: c57097fb23da02cf87e2578d01d26dd9 SHA-1: 8f4e09f486363f2d443101c19c4999d84c205b7a SHA-256: 72bd6043a8f3f584a7032468e769d4fe7528a2d4c303c043f3ed2e8e8f7ae1bc
106 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.2419

Heuristics 5

  • 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.
  • 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://yoyep.co.za/XSRYdR1H?utm_term=boxing+match+video+free PDF link annotation
    • https://ugel-islay.edu.pe/includes/panel/ck/ckeditor/kcfinder/upload/files/28797916589.pdfIn PDF document text
    • https://oreopay57.com/ckfinder/userfiles/files/rimurokololos.pdfIn PDF document text
    • http://cgpreceptor.com/ckfinder/userfiles/files/44238125853.pdfIn PDF document text
    • https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/ni7p1dqtdi3e7oif497h15rbt7/pogonotididinofi.pdfIn PDF document text
    • http://zuszdounky.cz/files/vegadesuvupasujojuxuf.pdfIn PDF document text
    • http://gachbinhduong.com/upload/file/xaxifakodatifimesowen.pdfIn PDF document text
    • http://apmnir.ro/fckfiles/file/zapukowumu.pdfIn PDF document text
    • http://dragonera.cn/admin/userfiles/file/tupuniv.pdfIn PDF document text
    • https://georeno.ca/userfiles/files/93345933932.pdfIn PDF document text
    • https://kaplaitalia.it/userfiles/files/zadesufanarigunubosanolav.pdfIn PDF document text
    • http://factorycontrolprojects.com/userfiles/file/36716304448.pdfIn PDF document text
    • http://nj-rshb.com/v15/Upload/file/2022223248206318.pdfIn PDF document text
    • http://krr-nfe.com/suratnfe/UserFiles/File/72040419528.pdfIn PDF document text
    • https://nsck-cykelmotion.dk/userfiles/file/zipibidiwubujuv.pdfIn PDF document text
    • http://kartinatv.org/uploads/files/97368125632.pdfIn PDF document text
    • https://guanlai.tw/uploads/files/202201180448275306.pdfIn PDF document text
    • http://files.ibiza-ferien.de/file/vadumexubu.pdfIn PDF document text
    • http://turystyka.powiatlubartowski.pl/admin/ckfinder/userfiles/files/ponufejimutototutoxiradiv.pdfIn PDF document text
    • https://aprenda-atdi.com/uploads/files/37411615152.pdfIn PDF document text
    • http://tuzy.pl/Upload/file/88620949721.pdfIn PDF document text
    • http://xn--12cfu9bc1efac9a9azfdsb7b9d1f0j.net/ckfinder/userfiles/files/23567339719.pdfIn PDF document text
    • https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/aeql24bce219hnb7p016kumvi3/rorefumozazujukovumokaxuf.pdfIn PDF document text
    • https://laplacedesstores.com/upload/file/tuwonore.pdfIn PDF document text
    • http://amanetauto.eu/kcfinder/upload/files/11553063119.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_off000a87b0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA87B0 19568 bytes
SHA-256: 155b1f84afe9855c72ba25ab226b731ac30816af870b6ccff58531fd08a9ef55
font_01_sfnt_off000aba69.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xABA69 10932 bytes
SHA-256: 6e3764a3162285ce29685651403d92426a7fe86ff2b69d11f75eca416cfeadbe
font_02_sfnt_off000ad36d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAD36D 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9

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