Malicious PDF — malware analysis report

Static analysis result for SHA-256 441ed1b33f250a9a…

MALICIOUS

PDF

259.3 KB Created: 2022-03-17 17:01:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-05
MD5: b5ba5b077e31902aa62b16d4a527a15f SHA-1: 7cc205248790602dd99ca326bc78d775a1358c36 SHA-256: 441ed1b33f250a9ad84693e2eaeb899c6a226e5d0570cb6bc7e01c2239fe83a9
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9314

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://astoraccessories.com/uploads/ckfinder/files/25501893814.pdf In PDF document text
    • https://sbsoftware.ro/admin/userfiles/file/gopopabiwasumixake.pdfIn PDF document text
    • http://tuhocxuatnhapkhau.com/uploads/ckfinder/files/37901480957.pdfIn PDF document text
    • http://fabellomobilya.com/app/webroot/kcfinder/upload/files/tubemijaxi.pdfIn PDF document text
    • https://rn62ug59c-to8.com/contents/files/dikefarojuxu.pdfIn PDF document text
    • https://matrainagycsalados.hu/userfiles/file/tojelodemozinefutedaneb.pdfIn PDF document text
    • http://kolesa.sk/files/rafelijinerabus.pdfIn PDF document text
    • http://stylingstories.nl/kcfinder/upload/files/3823472760.pdfIn PDF document text
    • http://zwickerfoto.hu/_user/file/18857845745.pdfIn PDF document text
    • http://barrybusiness-crm.com/ressource/devis-photo/files/tozulepakobigezelobenur.pdfIn PDF document text
    • http://metamorfoza-krosno.pl/userfiles/file/44985637041.pdfIn PDF document text
    • https://educationindiajournal.org/ckfinder/userfiles/files/rebowipudezovowakuwun.pdfIn PDF document text
    • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1622bb898273fd---daloxag.pdfIn PDF document text
    • http://kartywspomnien.pl/uploads/assets/file/93438125471.pdfIn PDF document text
    • https://stilltasty.com/webroot/js/kcfinder/upload/files/5574380843.pdfIn PDF document text
    • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/7bb4188aabecb473f5491349427d81b9/3423001724.pdfIn PDF document text
    • https://www.tailormadeholidayspt.com/kcfinder/upload/files/fogovetawejuj.pdfIn PDF document text
    • http://www.colfacor.org.ar/administrador_web/kcfinder/upload/files/41502372856.pdfIn PDF document text
    • https://www.centralleiloes.com.br/admincentral/ckeditor/kcfinder/upload/files/19483554591.pdfIn PDF document text
    • http://ahcxdq.com/uploads/file/032213281713.pdfIn PDF document text
    • http://inphilong.com/upload/files/61526375135.pdfIn PDF document text
    • https://mhreng.com/userfiles/file/ropelizurawip.pdfIn PDF document text
    • https://planbmedia.hu/files/zesif.pdfIn PDF document text
    • https://sabatti.hu/admin/kcfinder/upload/files/vuvuzivalipuxuvopobul.pdfIn PDF document text
    • http://www.anpecv.es/gestor/ckeditor/kcfinder/images/files/38626085585.pdfIn PDF document text
    • http://redactron.com/userfiles/file/devapavazaxiw.pdfIn PDF document text
    • https://decordesign.bg/admin/files/files/35696655276.pdfIn PDF document text
    • https://cvssteelex.com/ckfinder/userfiles/files/89744783851.pdfIn PDF document text
    • http://harmony-stone.info/js/kcfinder/upload/files/90265138353.pdfIn PDF document text
    • https://colegiumaniucarei.ro/ckfinder/userfiles/files/66216800546.pdfIn PDF document text
    • https://egraph.fts-eu.com/userfiles/file/ziwok.pdfIn PDF document text
    • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620948af0764d---48696244211.pdfIn PDF document text
    • http://casier-a-bouteilles.fr/file/99210233853.pdfIn PDF document text
    • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620f8509d009b---wupegosamanorekifevav.pdfIn PDF document text
    • https://colod.co.za/XSRYdR1H?utm_term=biceps+curl+machine+formPDF link annotation
    • http://colorfulmedia.de/fotki/fotki/file/zugawen.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 extracted file (font_00_sfnt_off00039d99.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00039d99.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00039d99.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x39D99 18860 bytes
SHA-256: 1d5597cda9bbfa987582fe2131d54be00d25563ae0099b34d0af10bb0c3927b8
font_01_sfnt_off0003ce8c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3CE8C 10800 bytes
SHA-256: d619f0c64592d30098de206f1409f9e673877a770bcfea88b963ab62d9209977
font_02_sfnt_off0003e73b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3E73B 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9