Malicious PDF — malware analysis report

Static analysis result for SHA-256 af2a43621d4be836…

MALICIOUS

PDF

221.8 KB Created: 2022-03-12 05:45:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21
MD5: 9f53d0df8c3333fc7dd3d11dd2e1f2e2 SHA-1: 65dd6776f161ca01981571f327fcd3bf71bbeb86 SHA-256: af2a43621d4be8365dff8dca3ab7ad50ecad45fb1777170611abce015bbc058d
144 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.8030

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.
  • 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://cafij.co.za/XSRYdR1H?utm_term=set+manual+ip+address+ubuntu+command+line PDF link annotation
    • https://www.yildiztto.com/kcfinder/upload/files/45033377112.pdfIn PDF document text
    • http://pk.mo/userfiles/file/28728454355.pdfIn PDF document text
    • http://www.wiz-fac.com/uploadImg/file/90724694199.pdfIn PDF document text
    • http://wittymall.com/multimedia/userfiles/file/kijolekemekene.pdfIn PDF document text
    • http://snbh.imadiff.net/kcfinder/upload/files/jesirov.pdfIn PDF document text
    • https://asiahealth.standrewsdentalsurgeons.com/ckfinder/userfiles/files/lesusuxafisumaxukolag.pdfIn PDF document text
    • http://khojedu.net/userfiles/file/vesodenusidodegeloxes.pdfIn PDF document text
    • http://goodlack.cz/userfiles/file/vodijopuwifabasiresavup.pdfIn PDF document text
    • https://detectagsafety.com/ckfinder/userfiles/files/bososuvarijas.pdfIn PDF document text
    • https://inicio.camaragranada.org/administracion/kcfinder/upload/files/85685778554.pdfIn PDF document text
    • https://vivaldiroberto.com/img/files/mediafiles/file/65554051439.pdfIn PDF document text
    • http://hmondo.com/userData/board/file/2889381135.pdfIn PDF document text
    • https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/eb0c94578b2a1c8c47520cbe0e1e2906/tupagivopasajojosufi.pdfIn PDF document text
    • http://weddingfavoursfor.co.uk/kcfinder/upload/files/tajelunoli.pdfIn PDF document text
    • http://portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/pomojubamalis.pdfIn PDF document text
    • https://llibreriaha.com/img/events/file/22951374298.pdfIn PDF document text
    • http://bloomx.com/sites/all/sites/bloomx.com/files/subizexeketo.pdfIn PDF document text
    • http://bagsh.itpd.mn/kcfinder/upload/files/wulaworexaxemuzedur.pdfIn PDF document text
    • https://bticino-rozetki.su/kcfinder/upload/files/fakovududinorogajaz.pdfIn PDF document text
    • http://22vek-omsk.ru/fck_editor_files/files/buzurabo.pdfIn PDF document text
    • https://ntct.dz/ckfinder/userfiles/files/fexugefobugo.pdfIn PDF document text
    • http://odpadykj.cz/UserFiles/File/57083136272.pdfIn PDF document text
    • http://leadingedgecorporate.com/user_images/file/potewogi.pdfIn PDF document text
    • https://doanhnghiepvietnam.org/img_duhoc/files/nimovenirudoxuliwonesa.pdfIn PDF document text
    • http://tizianaiberti.it/userfiles/files/xikaril.pdfIn PDF document text
    • https://vestol.bg/files/file/35206138627.pdfIn PDF document text
    • http://www.pvvc.cz/files/sigezotuz.pdfIn PDF document text
    • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16211acdb07252---2974903064.pdfIn PDF document text
    • http://sreecollegeofpharmacy.com/admin/kcfinder/upload/files/76588304359.pdfIn PDF document text
    • https://goodline.by/userfiles/file/23297227878.pdfIn PDF document text
    • https://archguruorg.welkinovation.com/admin/UserFiles/images/files/jakasemoxiw.pdfIn PDF document text
    • https://mofrantech.com/userfiles/file/61812426951.pdfIn PDF document text
    • http://arniuniversity.in/ci/userfiles/files/vamalajaretusodimikib.pdfIn PDF document text
    • http://universalestetic.com/userfiles/file/3931039161.pdfIn PDF document text
    • http://www.bennex.co.th/assets/kcfinder/upload/files/weginebatoxofu.pdfIn PDF document text
    • https://innovaciones-plasticas.com/imagenes_cont/sitio/documentos/vuzigasiv.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_off000305c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x305C8 18284 bytes
SHA-256: 47c44540343c56464876e9a5a07434454e5683508b9aee3cdf6146d1b8f4aadf
font_01_sfnt_off00033565.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x33565 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off00034c85.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x34C85 10992 bytes
SHA-256: 52aba9daa239b9962bd25e1ea43b1e627a5c4b845c31cf9f3733f8dc6df0a5c8