Malicious PDF — malware analysis report

Static analysis result for SHA-256 425ec6af1240345d…

MALICIOUS

PDF

496.3 KB Created: 2022-03-21 16:16:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-15
MD5: c29b237242e8bbf61c68abcd8385e4c6 SHA-1: 2ed3b350497848839fd37c6495bc534fc6c7588d SHA-256: 425ec6af1240345de8fedd4c6aaeaa92de0ae238f163d7bce845cc477632b20e
106 Risk Score

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4741

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://wirut.co.za/XSRYdR1H?utm_term=dump+meals+buzzfeed PDF link annotation
    • https://www.kindspring.org/inc/ckfinder/userfiles/files/xejabamadujo.pdfIn PDF document text
    • http://predit.ru/admin/ckfinder/userfiles/files/81887833334.pdfIn PDF document text
    • http://krzysztofmalec.pl/gfx/fck/file/jorokafiduxuwokevap.pdfIn PDF document text
    • http://opersan.com/file/14189757523.pdfIn PDF document text
    • http://globalwan.jp/uploads/files/defotigomuxexebosajegobo.pdfIn PDF document text
    • https://greenfins-thailand.org/uploads/file/xumupaluwukinokob.pdfIn PDF document text
    • https://febrerasesores.com/uploads/kcfinder/upload/files/zigubugozinopota.pdfIn PDF document text
    • http://melabo.com/upload/files/lolagabuzutajanoriberif.pdfIn PDF document text
    • http://toyotarent.hk/FileData/ckfinder/files/20220309_F210E562A9AFD6A3.pdfIn PDF document text
    • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/162106939cc47b---labiwuwoduvuve.pdfIn PDF document text
    • https://www.swiftcargo.com/adminlogin/kcfinder/upload/files/pajugezorurisewazeve.pdfIn PDF document text
    • http://seyrimerdin.com/userfiles/file/ruvosovu.pdfIn PDF document text
    • https://loyallcanada.ca/editor_files/file/94472097664.pdfIn PDF document text
    • http://moonyart.ru/admin/ckeditor/kcfinder/upload/files/34161278340.pdfIn PDF document text
    • http://cocoon-source-harmonie.fr/public/file/86515412715.pdfIn PDF document text
    • http://lumieye.com/userData/ebizro_board/file/sajawebupekizugural.pdfIn PDF document text
    • https://eobliecky.sk/userfiles/file/webamezazaxiboxag.pdfIn PDF document text
    • http://nislamengineering-ltd.com/assets/ckeditor/kcfinder/upload/files/movorejifogarot.pdfIn PDF document text
    • http://recentitsolutions.com/userfiles/file/66134294339.pdfIn PDF document text
    • http://abevenement.com/kcfinder/upload/files/benofodazaxezokinonoxa.pdfIn PDF document text
    • http://look.bio/kcfinder/upload/files/gamixujimalinumokopuveg.pdfIn PDF document text
    • http://eurogalvano.com/admin/kcfinder/upload/files/34474678397.pdfIn PDF document text
    • https://ww150002.linebot.net/upfile/files/20220204092435.pdfIn PDF document text
    • http://novafish.it/userfiles/files/86880056477.pdfIn PDF document text
    • http://cwesp.biz/upload/file/fotuvo.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_off00075283.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x75283 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off0007699e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7699E 18972 bytes
SHA-256: cd7b025e9b84088822d242050103c7f3ca737ed9c199d4df6f489ee0a99677bc
font_02_sfnt_off00079b0d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79B0D 10448 bytes
SHA-256: bf9881f34c52c2151de7606181aa0ddb756879cb4363d6848bd0064e0276ed9c

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