Malicious PDF — malware analysis report

Static analysis result for SHA-256 25c8444d984f5b47…

MALICIOUS

PDF

212.9 KB Created: 2022-04-13 14:24:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-02
MD5: 108182e5200ade8100623fb5bded2f48 SHA-1: 3a4076bcdee9081707eac2ca9b4939b650b9ed40 SHA-256: 25c8444d984f5b47e347b0d66b71d70b19e179e23b3ab91d64cad8e7d7f51948
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7175

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://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620a45aadfb58---wokojusewikezugokirabav.pdf In PDF document text
    • https://tavio.ru/files/file/pivuxuranuzivexun.pdfIn PDF document text
    • https://candbco.com/ckfinder/userfiles/files/fivutugarusodir.pdfIn PDF document text
    • http://membranekeyboard.de/_data/file/bamofugezowe.pdfIn PDF document text
    • https://anfauglir.com/images/file/14654564002.pdfIn PDF document text
    • http://kredoteka.ru/uploads/file/72358919358.pdfIn PDF document text
    • http://balalajka.nu/media/72838696627.pdfIn PDF document text
    • https://jivafizet.weebly.com/uploads/1/3/4/7/134743279/gokuxivobidir.pdfIn PDF document text
    • https://ruwufinojib.weebly.com/uploads/1/3/4/6/134643146/mutunagifi_wunurisubapuwo.pdfIn PDF document text
    • https://togawikanow.weebly.com/uploads/1/3/5/3/135320583/6876311.pdfIn PDF document text
    • https://intimtreningdebrecen.hu/frontend/ck/kcfinder/upload/files/kewulisabek.pdfIn PDF document text
    • http://zatexpress.com/upload/userfiles/files/77552675792.pdfIn PDF document text
    • http://kanalizace-ul.cz/userfiles/file/5331883906.pdfIn PDF document text
    • https://linhancomvn.xelinhan.vn/userfiles/file/41605136770.pdfIn PDF document text
    • https://lixtech.com.tw/ckfinder/ckfiles/files/pababoj.pdfIn PDF document text
    • https://kstraders.com/userfiles/file/pofadozenogesuxaxetowu.pdfIn PDF document text
    • http://www.vizilo-vizitura.hu/admin/kcfinder/upload/files/pisifumeliw.pdfIn PDF document text
    • https://fgcrubochi.com.ng/ckfinder/userfiles/files/vawodawodizazeke.pdfIn PDF document text
    • https://lowunidedalovel.weebly.com/uploads/1/3/1/3/131380213/8237906b.pdfIn PDF document text
    • https://nujamoxe.weebly.com/uploads/1/3/4/2/134234607/2676669.pdfIn PDF document text
    • https://gewuzonaxos.weebly.com/uploads/1/3/4/7/134714103/komazijubigidatino.pdfIn PDF document text
    • http://www.fichetalmeria.com/admin/kcfinder/upload/files/lozekapaxo.pdfIn PDF document text
    • https://trade.inter-ural.ru/ckfinder/userfiles/files/81076608710.pdfIn PDF document text
    • https://pasifikendustriyel.com/userfiles/file/sivilokalonepak.pdfIn PDF document text
    • https://triatlonshop.cz/userfiles/file/zosawazafuponowezu.pdfIn PDF document text
    • https://ccskin.com/geektic/files/36936933730.pdfIn PDF document text
    • https://superlitefan.com/uploads/files/45203711677.pdfIn PDF document text
    • http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620cabc07cc82---73589830922.pdfIn PDF document text
    • https://adminico.nl/userfiles/file/zivexivovumux.pdfIn PDF document text
    • https://catequesisnavarra.org/guiarte_userfiles/files/pakepusetagopimuzumider.pdfIn PDF document text
    • https://www.yamamotonouen.jp/js/kcfinder/upload/files/32864180403.pdfIn PDF document text
    • https://colod.co.za/XSRYdR1H?utm_term=recover+browser+history+on+android+phonePDF link annotation
    • 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 extracted file (font_00_sfnt_off0002e65e.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0002e65e.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002e65e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E65E 11016 bytes
SHA-256: 553d536fbcf8e49f48dcc0ca96f06e8a3f72247d99cc471f4de9789c5fb95d64
font_01_sfnt_off0002ffca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FFCA 16932 bytes
SHA-256: 9be54c2a340660c57400132264abd38cd0a510778db81c1af6e48f6cad231d88
font_02_sfnt_off00032bc4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x32BC4 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1