Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b6f2d02f0acd46f…

MALICIOUS

PDF

520.5 KB Created: 2022-02-04 23:25:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-17
MD5: a4ecbab8c99277db2194c118cf5683f2 SHA-1: f47f1137ddbb5e72c0d60ccfc41472bf69eeaba6 SHA-256: 2b6f2d02f0acd46f31b7bd96fa7bb6ca40d9257b45f1fe0fe1f31454a33d173a
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7964

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.
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://yoyep.co.za/XSRYdR1H?utm_term=world+health+organization+sugar+guidelines PDF link annotation
    • http://dogomanhnghia.com/uploads/files/perexovoluzama.pdfIn PDF document text
    • http://hferrynetworks.com/FileData/ckfinder/files/20210917_B0F448F4B905ABB5.pdfIn PDF document text
    • http://oxigensupplies.com/shipinc/userfiles/files/49068996495.pdfIn PDF document text
    • http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1617666c1983ff---47365599835.pdfIn PDF document text
    • http://studioiulianella.it/userfiles/files/97310576230.pdfIn PDF document text
    • https://www.thic.net/plugin/ce1/ckfinder/userfiles/files/97179505299.pdfIn PDF document text
    • http://zdrowejaja.com/Upload/file/5060538787.pdfIn PDF document text
    • https://www.afsti.org/admin/kcfinder/upload/files/33106235598.pdfIn PDF document text
    • https://dondepodemosir.com/userfiles/file/43148087696.pdfIn PDF document text
    • http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/09410f60b75736ae56a4a5bd9462392a/45351854184.pdfIn PDF document text
    • http://vigova.com/Images_upload/files/2291776172.pdfIn PDF document text
    • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/161b3ab5f72eef---wiboposiz.pdfIn PDF document text
    • http://bowenlawmt.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/52866355989.pdfIn PDF document text
    • http://jeanthompson.nl/ckfinder/userfiles/files/32518252102.pdfIn PDF document text
    • https://menlopark.com/wysiwygfiles/file/61511014726.pdfIn PDF document text
    • http://alda.pl/ckfinder/userfiles/files/54865454230.pdfIn PDF document text
    • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/161a8bc6758b2e---6508745121.pdfIn PDF document text
    • https://brihat-group.com/assets/userfiles/files/nagipexoburabesonidulivuw.pdfIn PDF document text
    • https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/uo3rh1vetstojtdcj3t66ehfkg/lenorupewe.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_off0007b76c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B76C 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off0007ce87.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7CE87 16996 bytes
SHA-256: dc348e189c0da11400abf6cdbdce1b798bb20e07bd355d9ecc78f80d1bb843d6
font_02_sfnt_off0007faf1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FAF1 10680 bytes
SHA-256: b53bd56369650ebbfab2d69a34a7a93fc4b06c31acfa22d37c05915ae5c9d2ff

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