Malicious PDF — malware analysis report

Static analysis result for SHA-256 7933a8bc1caaceb2…

MALICIOUS

PDF

342.8 KB Created: 2022-01-16 05:48:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-15
MD5: 3bf6810923829024ad081c30c4adbea2 SHA-1: 889e2298b9dd2c9dbb94c568ddf49b82f061e6cf SHA-256: 7933a8bc1caaceb25c43d2f223cf09b5a71770a06fba8f19274cb69f969e5229
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7268

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 http://f-okinawa.com/img/tmp/file/jixibiwadukifaf.pdf In PDF document text
    • http://bbbo.handyfriendship.com/upload/files/wilolexesitenenamelok.pdfIn PDF document text
    • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/e3b467966253b0276627296c75a4058f/59351138273.pdfIn PDF document text
    • http://bezpiecznamlodosc.org/files/file/vuludajepigufakadebena.pdfIn PDF document text
    • http://look.bio/kcfinder/upload/files/sunuponakisexewesen.pdfIn PDF document text
    • http://ballmillfactory.com/d/files/memitirakasafi.pdfIn PDF document text
    • http://soc-in.com/data/media/files/wiloxuwet.pdfIn PDF document text
    • https://ijtm.in/userfiles/file/kedukaxow.pdfIn PDF document text
    • http://condosworld.com/abisol1/userfiles/files/wolozenusoliko.pdfIn PDF document text
    • http://ger.versa.ru/documents/files/mesoruxe.pdfIn PDF document text
    • http://babijie.com/upload_fck/file/2021-10-23/20211023194412109697.pdfIn PDF document text
    • https://aayams.com/userfiles/file/72989009853.pdfIn PDF document text
    • http://thevalleytrader.com/files/zawedamuxubujosukibidux.pdfIn PDF document text
    • https://degardo.hollandpazsit.hu/ckfinder/userfiles/files/70160853137.pdfIn PDF document text
    • http://dharkaninternational.com/survey/userfiles/files/74564294364.pdfIn PDF document text
    • https://sailstudy.in/ckfinder/userfiles/files/letowazujago.pdfIn PDF document text
    • http://www.anclupnapoli.it/userfiles/file/ragezujexuve.pdfIn PDF document text
    • https://ehbo-oostkapelle.nl/userfiles/file/bidipozifaniruv.pdfIn PDF document text
    • http://americansemitruckparts.com/d/files/26670071814.pdfIn PDF document text
    • https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/cd588fab8a43b47eec5a4258d70575e2/11109017648.pdfIn PDF document text
    • http://www.zdravotechnika.com/ckfinder/userfiles/files/majiwanerewunafilof.pdfIn PDF document text
    • http://www.papelerialapiceros.es/ckfinder/userfiles/files/86477181700.pdfIn PDF document text
    • http://m2m2design.com/userfiles/35282019260.pdfIn PDF document text
    • https://quangcaowebsitecomvn.xemlaco.com/uploads/files/nowizuzevitutifaxisaro.pdfIn PDF document text
    • http://financesnadno.cz/upload/file/92645630565.pdfIn PDF document text
    • http://feedproxy.google.com/~r/Xvkpad/~3/oscUj7J0Gjw/uplcv?utm_term=btec+level+3+performing+arts+extended+diplomaPDF 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 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_off0004ec02.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4EC02 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_01_sfnt_off000502a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x502A1 17672 bytes
SHA-256: ce71e6e95da7031688720bc7afb3d96c7a4c10843e057373990e494c40c1c2fc
font_02_sfnt_off000530a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x530A3 11356 bytes
SHA-256: a34c76fcd032e568d8b030755e68fa253a195dfe0583042d8f5e84ca2201ae59

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