Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b610fb9e9154297…

MALICIOUS

PDF

261.1 KB Created: 2022-03-02 17:08:16 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-17
MD5: 89ddb98ab15b4370e8df14d07594e864 SHA-1: 27f9d077b5f1cbb42d6a0c5714608c21026c2ec7 SHA-256: 2b610fb9e915429796f355b0444e97de3d50f9480c69be93037a955bb3734729
174 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7309

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://yoyep.co.za/XSRYdR1H?utm_term=adobe+stock+video+format PDF link annotation
    • https://adminico.nl/userfiles/file/62216822930.pdfIn PDF document text
    • http://edv-denk.com/userfiles/file/5747948565.pdfIn PDF document text
    • https://villagrancanaria.bookipro.com/js/libs/ckeditor/plugins/kcfinder/upload/files/74830687406.pdfIn PDF document text
    • http://aliguoriarchitetto.eu/userfiles/files/73734008519.pdfIn PDF document text
    • https://kluchar.net/klucharnet/images/file/66259179994.pdfIn PDF document text
    • http://lsmtrontractor.com/upfiles/file/20220219195059.pdfIn PDF document text
    • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1621b4bb4dde31---23475732948.pdfIn PDF document text
    • http://icareonline.net.au/ckfinder/icare/files/98444967356.pdfIn PDF document text
    • http://gpkoaee.ru/ckfinder/userfiles/files/lapokuvireli.pdfIn PDF document text
    • http://csc0532.com/userfiles/file/20220216025541_uc16rt.pdfIn PDF document text
    • http://yachtandtrade.com/files/21786079129.pdfIn PDF document text
    • http://vestmorecapital.com/images/epost/xuduki.pdfIn PDF document text
    • http://onestep-tokyo.com/userfiles/file/13851525680.pdfIn PDF document text
    • http://keletunderground.hu/images/uploaded_pics/file/63502862604.pdfIn PDF document text
    • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1620ae08cdb873---45233338999.pdfIn PDF document text
    • http://exekuce-majetku.cz/kcfinder/upload/files/75532679327.pdfIn PDF document text
    • https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/3827e9e8c8ad4266e703b67c533645d8/29576804414.pdfIn PDF document text
    • http://ecogestval.es/userfiles/file/74566903259.pdfIn PDF document text
    • http://i-physiology.ru/upload/72315822479.pdfIn PDF document text
    • http://chinazzjx.com/d/files/robuzik.pdfIn PDF document text
    • https://clinicaabrahaoosta.com.br/ckfinder/userfiles/files/28075629419.pdfIn PDF document text
    • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621d4d2b3f91b---fedobokiguno.pdfIn PDF document text
    • http://riverla.vn/uploads/userfiles/file/mavixu.pdfIn PDF document text
    • http://cocoon-source-harmonie.fr/public/file/99586363580.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_off0003a21f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3A21F 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off0003b93a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3B93A 19540 bytes
SHA-256: 35c47a9fd5604d3b8fd7e55aa0d8ee45ffa7d7cf531b9135c9165113e775a4b2
font_02_sfnt_off0003ec8b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3EC8B 10764 bytes
SHA-256: 67017d6f4cae1d6bab0512debdbe7fdd997eeaeb36b76b725c8f0b5b3d71c6cb