Malicious PDF — malware analysis report

Static analysis result for SHA-256 af2699ddd5733c7f…

MALICIOUS

PDF

207.4 KB Created: 2022-02-28 01:07:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21
MD5: 565fd72403e4e814408fb4c4d0552d0f SHA-1: f10f3856ebcf242c687771015c5cd27441021a35 SHA-256: af2699ddd5733c7f00601e9726de9dee3dd86cb286580b688a4f5577919c6e23
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9154

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://ragaz.co.za/XSRYdR1H?utm_term=reporter+gene+assays+definition PDF link annotation
    • http://szymonadamczyk.pl/uploads/fck/file/71181440139.pdfIn PDF document text
    • http://salespate.com/userfiles/file/sawemi.pdfIn PDF document text
    • http://office-tommy.com/images/file/27628127120.pdfIn PDF document text
    • https://phuquiland.com/upload/files/18123118946.pdfIn PDF document text
    • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/ee07dce5d9d176b7178a27a455e948fb/sawona.pdfIn PDF document text
    • http://avanti-kuhni.ru/upload/files/73900641696.pdfIn PDF document text
    • http://fotofolliasanlazzaro.it/userfiles/files/46788913293.pdfIn PDF document text
    • http://akcompany.vn/uploads/userfiles/file/kalekefovun.pdfIn PDF document text
    • https://pima-alarms.rs/slicice/file/bilawu.pdfIn PDF document text
    • https://costarica4d.com/contents/files/26574690515.pdfIn PDF document text
    • https://www.parquesanalbertohurtado.cl/ckfinder/userfiles/files/sukepupafagisosibomize.pdfIn PDF document text
    • http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16132fad2b526b---45806058052.pdfIn PDF document text
    • http://hferrynetworks.com/FileData/ckfinder/files/20210726_1BFB652ED5E2AA1D.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_off0002cf5a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2CF5A 18400 bytes
SHA-256: d108f1ff8aab4f3e106158b68bc8c305eda879f851bc1124fc2383091e11afe0
font_01_sfnt_off0002ffc3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FFC3 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off000316e3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x316E3 10788 bytes
SHA-256: 281f10e927f27973ae0a440a0399d1f0797843d96d685b209fbc719ffb49a04e

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