Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2f6ee16c37bcaad…

MALICIOUS

PDF

312.0 KB Created: 2022-02-23 17:09:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-13
MD5: 6ca548aa0dcad7ab2bf19203a24c5db6 SHA-1: 6ec94f0dab5d966ce018f3fa8c1c81d8954fd4fc SHA-256: f2f6ee16c37bcaad07263b37ba2696629c676ef6a22d2e182f883614bb336fce
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9512

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://cafij.co.za/XSRYdR1H?utm_term=non+hodgkin+lymphoma+esmo+guidelines PDF link annotation
    • http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160e952ea6b6bf---semekak.pdfIn PDF document text
    • http://www.veslovani-vsb.cz/soubory/file/kesojazojegomelebuxipipi.pdfIn PDF document text
    • https://brothers-music.com/ckfinder/userfiles/files/birot.pdfIn PDF document text
    • https://churchboys.org/userfiles/files/sakaw.pdfIn PDF document text
    • http://kocavietnam.com/upload/files/33754109028.pdfIn PDF document text
    • https://ahirealty.in/admin/userfiles/files/66841821853.pdfIn PDF document text
    • http://boothbayharborshipyard.com/userfiles/file/ketamulutaz.pdfIn PDF document text
    • https://makanbanyak.net/contents/files/dajarutenuzal.pdfIn PDF document text
    • https://searchlink.org/userfiles/file/depajegawagefap.pdfIn PDF document text
    • https://warsztatgdynia.pl/app/webroot/media/files/xekolejusedutasomenurefik.pdfIn PDF document text
    • https://aldwalia.com/userfiles/files/89267468008.pdfIn PDF document text
    • https://marwaautorepair.com/nbloom/fckuploads/file/keviwum.pdfIn PDF document text
    • http://bearings-home.com/userfiles/file/69734056668.pdfIn PDF document text
    • http://zit-tech.com/userfiles/files/mikodusadarusepaj.pdfIn PDF document text
    • http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1616df9b03f964---tavorekom.pdfIn PDF document text
    • http://marinaxaraes.com.br/ckfinder/userfiles/files/titeliduluwenegozobaza.pdfIn PDF document text
    • https://nusantarabet4d1.com/contents/files/muxuzumetol.pdfIn PDF document text
    • http://bridgeonlaw.com/filespath/files/20211027211011.pdfIn PDF document text
    • https://rabudiagnostic.com/userfiles/files/dakukesibesarux.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_off00047295.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x47295 17448 bytes
SHA-256: bafc6f38d5c2a9912fb7ece9650a5d8a41be7bac72bf839af14d1f59485b5de7
font_01_sfnt_off00049ffa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x49FFA 10924 bytes
SHA-256: 6ad0c3735dfcd7f810ba48d8c8dbbbf056b6481043e9420929d835a88c92c393
font_02_sfnt_off0004b8e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4B8E2 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9

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