Malicious PDF — malware analysis report

Static analysis result for SHA-256 425392e37e4a3fdd…

MALICIOUS

PDF

393.9 KB Created: 2022-02-27 00:10:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-16
MD5: 97261832b21686c8d3a86fa6e9b02b57 SHA-1: d5499902490719b76dbe60722af802534982fd83 SHA-256: 425392e37e4a3fdd5d6225e8d5007db6933777e3aef3035ba0e69ba4dcd4f89b
174 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7188

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://tevav.co.za/XSRYdR1H?utm_term=restricted+stock+options+tax+reporting PDF link annotation
    • https://aalatour.com/basefile/b2caalatourcom/files/77677313896.pdfIn PDF document text
    • https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/bce10d3a0eff6faeb8d9472546358d63/zuwetidofudo.pdfIn PDF document text
    • http://mhfmjournal.com/data/22/2/55/64/2544879/user/2788947/htdocs/userfiles/file/ripemose.pdfIn PDF document text
    • http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16141449eac7f8---30808365980.pdfIn PDF document text
    • https://bd-sokolovska.eu/userfiles/file/83864704776.pdfIn PDF document text
    • http://posicert.com/upload_fck/file/2021-12-18/20211218131747257808.pdfIn PDF document text
    • https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/b4b8730618e14c8f42458016d7bf0175/vaxonomopif.pdfIn PDF document text
    • http://saraswatishikshamandir.com/singhania/downloads/file/wodabakumojake.pdfIn PDF document text
    • https://static.yulava.es/js/libraries/ckeditor/kcfinder/upload/files/gisokuwuzemeruzeze.pdfIn PDF document text
    • http://cathugo-yachts.de/res/wysiwyg/file/xokokiniwanamijulebepima.pdfIn PDF document text
    • http://vintagesilverrose.com/admin/ckeditor/kcfinder/upload/files/nosafitanuguju.pdfIn PDF document text
    • http://jmestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vatevasotanamalevolijem.pdfIn PDF document text
    • http://drzwiukryte.pl/userfiles/file/86029105202.pdfIn PDF document text
    • https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16197ef3532611---72363527089.pdfIn PDF document text
    • https://www.habitat-morvan.fr/ckfinder/userfiles/files/51920414660.pdfIn PDF document text
    • http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1617b591055f2f---3507522061.pdfIn PDF document text
    • https://schmitz.cz/res/file/zomuk.pdfIn PDF document text
    • https://locoffice.ru/userfiles/file/71103665831.pdfIn PDF document text
    • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f43b153fd65---36917351645.pdfIn PDF document text
    • http://ttech.com.vn/ckeditor/kcfinder/upload/files/talofasifofodepu.pdfIn PDF document text
    • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/16206f6fc0e13f---zonabelenajiza.pdfIn PDF document text
    • http://ccsl.asia/files/wexuwu.pdfIn PDF document text
    • http://ugyved-szaknevsor.hu/media/files/xirezirumuzigodebivik.pdfIn PDF document text
    • http://gpsputhuppally.com/userfiles/file/97734808028.pdfIn PDF document text
    • http://tandprotheses.com/ckfinder/userfiles/files/66127061758.pdfIn PDF document text
    • https://papiratisk.cz/soubory/96788950413.pdfIn PDF document text
    • https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/1e34b6bca6f20ef1ff6250be602f01eb/mofuxaleroxemo.pdfIn PDF document text
    • http://ferramentabelleggia.it/public/file/zesutom.pdfIn PDF document text
    • https://marikakozmetika.hu/editor_up/98667862996.pdfIn PDF document text
    • http://ekorepetycje.eu/Upload/file/sezufifize.pdfIn PDF document text
    • http://budgettranslation.hu/sites/default/files/file/dasavujabivoli.pdfIn PDF document text
    • https://hobbes-group.com/upload/files/koxepavopovibofazumeguger.pdfIn PDF document text
    • https://mediaget.com/userfiles/files/tereronurofurepejik.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_off0005b9e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B9E4 10880 bytes
SHA-256: 54b811575c7e59e13cd36268bd9939cff45674aaabc2a79aba5b84ea57840753
font_01_sfnt_off0005d307.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D307 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off0005ea22.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EA22 17636 bytes
SHA-256: 92ace4566d00a6f58e31a493bf4b0b2200b44467f2ab1ce6895e667ba55e3848

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