Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e33a3696464d2ef…

MALICIOUS

PDF

286.9 KB Created: 2022-02-13 01:52:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: f80ded1dc6cfe82859d2ce32521ef23d SHA-1: 51eb648755d063ae0c083cfe46409891170b3cb6 SHA-256: 4e33a3696464d2efab5c7503862fa63c0da7fccb6b4b609e9300b911e847ed03
144 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7928

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://mifuj.co.za/XSRYdR1H?utm_term=all+question+answer+of+the+house+call PDF link annotation
    • https://mahae.hu/files/files/45490055482.pdfIn PDF document text
    • https://amityhr.com/userfiles/file/vamiwojimi.pdfIn PDF document text
    • http://litho-and-co.fr/ckeditor/upload/files/tubaniropuvafaxonenazave.pdfIn PDF document text
    • http://veronikavilla.hu/userfiles/file/80540866597.pdfIn PDF document text
    • http://zechnerbau.at/images/content/files/79682829200.pdfIn PDF document text
    • http://henzefashion.com/userfiles/file/32808705838.pdfIn PDF document text
    • https://banerjeetourspecial.in/ckfinder/userfiles/files/rakawe.pdfIn PDF document text
    • http://bebsulmare.com/userfiles/files/rufegovomasowabere.pdfIn PDF document text
    • http://zenkatsu.dk/files/8489898798.pdfIn PDF document text
    • http://bischofs-scheune.de/userfiles/file/nefegakagejovetumegosif.pdfIn PDF document text
    • https://www.tri-or.fr/tri-or/ckfinder/userfilesfiles/44796881742.pdfIn PDF document text
    • http://maezawa-jidousha.com/js/upload/files/kowexosoburaribevozekunar.pdfIn PDF document text
    • http://yomamasushitogo.com/uploads/files/xariburomuxide.pdfIn PDF document text
    • http://xn--szabowski-tub.pl/userfiles/file/kokepot.pdfIn PDF document text
    • https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/f4eb1df97ba871c5db32ddb6dff725fb/lupoduxakujor.pdfIn PDF document text
    • https://ural-aiti.ru/admin/ckfinder/userfiles/files/robepitoxawofufokamu.pdfIn PDF document text
    • http://chemtron-vostok.ru/media/file/fimikowofogomelitama.pdfIn PDF document text
    • https://kaktutzhit.by/uploads/files/99454859196.pdfIn PDF document text
    • http://profiklub.sanswiss.cz/files/file/vepex.pdfIn PDF document text
    • https://garnizone.com/userfiles/file/dujazirafozoxam.pdfIn PDF document text
    • http://myqself.com/upload/files/73793438556.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_off00040cf3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x40CF3 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off00042413.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x42413 10748 bytes
SHA-256: c9c89de96bc01fc288d5230e4136286e3ada8425e7790b4db954b50401b88619
font_02_sfnt_off00043cd3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x43CD3 17672 bytes
SHA-256: 6b379f38336412c6fe5555a6861a1e0cdd18b39b34a3a79218364a7e9aee0690

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