Malicious PDF — malware analysis report

Static analysis result for SHA-256 72be7df086cfd90d…

MALICIOUS

PDF

273.6 KB Created: 2022-03-14 01:59:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28
MD5: 547ed95d72acf3724d36f8f6a30ca9c0 SHA-1: 7c32baecd8451d6400589444ba47898004388736 SHA-256: 72be7df086cfd90d38bc6c1ccc8beeac84c9b1de5c894430a2bdc5fcadb9c0cf
144 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.8813

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://norin.co.za/XSRYdR1H?utm_term=african+apostolic+church+songs PDF link annotation
    • http://kolesnikov.pro/ckfinder/userfiles/files/jexenizotupixedulojakiga.pdfIn PDF document text
    • https://www.trungtammaychieu.com/ad-min/js/libs/kcfinder/upload/files/givigewaloxa.pdfIn PDF document text
    • http://aiaato.com/FileData/ckfinder/files/20220213_C0D5557065B8C207.pdfIn PDF document text
    • https://florerialafloresta.com/ckfinder/userfiles/files/gegozezisimaxo.pdfIn PDF document text
    • http://otticagries.it/custom/archivio/files/54149426321.pdfIn PDF document text
    • https://nhatthiengroup.com/files/uploaded/files/80033432585.pdfIn PDF document text
    • https://armour-technoz-ca.otzol.net/ckfinder/userfiles/files/24086963552.pdfIn PDF document text
    • http://raovat.coi.vn/uploads/userfiles/file/napifegefujowazinaxukij.pdfIn PDF document text
    • https://topclassgardening.nl/images/file/2457949002.pdfIn PDF document text
    • https://path.mn/userfiles/files/gapoxuboxenuvegutazune.pdfIn PDF document text
    • https://pearproperties.in/userfiles/file/nebozipexoza.pdfIn PDF document text
    • http://tycoonmedical.com/userfiles/file/vutijipajovurubux.pdfIn PDF document text
    • http://onlinetalk.jp/app/webroot/img/fckfiles/file/32498869109.pdfIn PDF document text
    • https://discovercefalu.it/_data/images/file/78583680106.pdfIn PDF document text
    • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1622e45f38f577---sufupivasikenesijenaji.pdfIn PDF document text
    • https://studio-mano.com/userfiles/file/25639468059.pdfIn PDF document text
    • https://insetclean.com.br/kcfinder/upload/files/filijobefunido.pdfIn PDF document text
    • http://yachtandtrade.com/files/44539418801.pdfIn PDF document text
    • http://wetravels.com/kcfinder/upload/files/tejuxememiwotugiv.pdfIn PDF document text
    • http://a1-automotivegroup.com/upload/files/modixatikinimadorogezaj.pdfIn PDF document text
    • https://partnermind.cz/images/files/dibotarodegoxabigazofor.pdfIn PDF document text
    • http://forter.vn/hinhanh/file/tiguzomum.pdfIn PDF document text
    • http://erulingua.hu/uploads/content_files/files/najabujupumixanepi.pdfIn PDF document text
    • https://fnb-concepts.com/images/uploads/files/84139831225.pdfIn PDF document text
    • https://magyaringatlanadatbazis.hu/dev/_user/file/penejosatujogamipow.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_off0003dd78.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3DD78 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off0003f498.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3F498 10708 bytes
SHA-256: c760b6df36df78708dbbc98e2fc4f6988bce2379dc62fff43ac35e6a368f6ec8
font_02_sfnt_off00040d20.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x40D20 16664 bytes
SHA-256: f6b35a8c07d5d7a85d4a7f0076bfbef6434b0b0f79d3d429bb38ecdf12dbdcc7

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