Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e39de29441d86b7…

MALICIOUS

PDF

276.4 KB Created: 2022-02-01 04:20:16 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: d71c47e60569bca1cb0e05fa3ebebf27 SHA-1: e18eb46251ab515d48c53f3c06c8d50cff51f343 SHA-256: 4e39de29441d86b7f4079b72785ec87194024f5b50a3a0f7ad647093d61cc1a3
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6304

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://lazav.co.za/XSRYdR1H?utm_term=karyotype+and+idiogram+pdf PDF link annotation
    • http://pasaru.com/upload/files/garoz.pdfIn PDF document text
    • https://hw-power.com/uploads/ckfiles/files/61ece307d068a.pdfIn PDF document text
    • http://www.gabrielamaciel.net/images/content/file/funixita.pdfIn PDF document text
    • http://dorrstrechy.cz/UserFiles/File/52714271021.pdfIn PDF document text
    • http://aztkgb.love-mrt.com/upload/files/85496752463.pdfIn PDF document text
    • http://bowlingkillers.com/imgdb/files/33954380536.pdfIn PDF document text
    • http://annabarons.com/files/files/5051076831.pdfIn PDF document text
    • https://techlan.pl/files/file/33410793144.pdfIn PDF document text
    • https://booking-news.hkdnracing.com/webroot/editor-uploads/files/kolozilitamutofej.pdfIn PDF document text
    • https://riondene.ch/img/uploads/file/wixot.pdfIn PDF document text
    • http://smalternatywa.pl/media/upload/files/3926c7205bfdcaf81470a83efd375501.pdfIn PDF document text
    • http://teleserviciomalaga.com/ckfinder/userfiles/files/94554003694.pdfIn PDF document text
    • http://khautrangkhangviet.com/upload/img/files/21916699545.pdfIn PDF document text
    • http://datong-travel.tw/upload/ckeditor/files/20210921114907.pdfIn PDF document text
    • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614a3ed27af55---vibaxodunovovafe.pdfIn PDF document text
    • http://lamardaegu.com/upfile/user/file/voxirukop.pdfIn PDF document text
    • http://otticagries.it/custom/archivio/files/53755094397.pdfIn PDF document text
    • http://klpa.net/userData/board/file/dituxabapurekapuros.pdfIn PDF document text
    • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/161aadd98d367a---33469516657.pdfIn PDF document text
    • https://brillimet.com/uploads/files/202110201950077516.pdfIn PDF document text
    • http://tandprotheses.com/ckfinder/userfiles/files/detokefovirevuj.pdfIn PDF document text
    • https://pre-www.bridge-college.com/uploaded/ckeditor/files/zefosekatolo.pdfIn PDF document text
    • https://inprovitparaguay.com/ckfinder/userfiles/files/18715669038.pdfIn PDF document text
    • http://avtrak.ru/ckfinder/userfiles/files/mesujapixajukexudi.pdfIn PDF document text
    • https://nsaimmigration.com/userfiles/file/minekuzaxuji.pdfIn PDF document text
    • https://olekiwaszkiewicz.pl/userfiles/file/306183340.pdfIn PDF document text
    • http://kamkmori.cz/ckfinder/userfiles/files/tewoselukevifipujo.pdfIn PDF document text
    • https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/bcb490c876a245b5b0d496984111eae3/53220200370.pdfIn PDF document text
    • http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/161398ea14e04f---2865401004.pdfIn PDF document text
    • http://azinsaghf.com/cache/fck_files/file/26809773600.pdfIn PDF document text
    • https://nera.net/css/other/ckeditor/kcfinder/upload/files/28616912617.pdfIn PDF document text
    • http://blpest.com/UserFiles/file/pozinit.pdfIn PDF document text
    • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/dopewozokexa.pdfIn PDF document text
    • http://jrecchina.com/ckeditor/ckfinder/userfiles/files/sutotaj.pdfIn PDF document text
    • https://windfreeklima.com/upload/ckfinder/files/67724557806.pdfIn PDF document text
    • http://packturf.fr/files/603176082.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_off0003a29b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3A29B 21720 bytes
SHA-256: d70ed01143929c698876d2b2f6747d6bbab726a86b229b5f2e1b136c0024ebf9
font_01_sfnt_off0003e05e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3E05E 21724 bytes
SHA-256: a7db92ea721a309334175090d78fbb346fd14dc24ede58cb2b7eeea7f7934426
font_02_sfnt_off00041268.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x41268 10732 bytes
SHA-256: acd4a2bfd5b2c1be28f6043d7d84a139ad8ed30d39ca43aef49b7cdf74d1c92c
font_03_sfnt_off00042ada.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x42ADA 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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