Malicious PDF — malware analysis report

Static analysis result for SHA-256 6dfe7259d80e45b2…

MALICIOUS

PDF

290.0 KB Created: 2022-03-07 04:30:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-19
MD5: 64083e4519401e46f6799ef129592563 SHA-1: d9818c9d9f6b7a10916e8463d6a990819057d8d9 SHA-256: 6dfe7259d80e45b2e874aa9683848d7ce8c7840df522b18b1831d76e3bcb30f1
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.8725

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://vietfun.com.vn/wp-content/plugins/super-forms/uploads/php/files/vblg30i7jhlkv79hhmc9j72pp9/2210109579.pdf In PDF document text
    • http://lapawan15.com/shop/fck_file/file/salojazonelazakulapone.pdfIn PDF document text
    • http://wmasgroup.com/userfiles/file/32759598956.pdfIn PDF document text
    • https://copperscraphandlers.com/ckfinder/userfiles/files/15210227090.pdfIn PDF document text
    • https://ecpa.fr/uploaded/file/29345817534.pdfIn PDF document text
    • https://icnj.net/ckeditor/ckfinder/userfiles/files/13388211653.pdfIn PDF document text
    • http://fiumaradelsossio.it/userfiles/files/jujunosemubofe.pdfIn PDF document text
    • https://gagasanriau.com/a450d92cb6be01b3b3669c18bfca7901/kcfinder/upload/files/72488289569.pdfIn PDF document text
    • http://starysklep.itmega.pl/photo/file/95215795304.pdfIn PDF document text
    • http://www.chulapd.org/administrator/libraries/ckeditor/kcfinder/upload/files/20785237443.pdfIn PDF document text
    • http://cainghienbinhduong.com/uploads/userfiles/file/42294088848.pdfIn PDF document text
    • https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/66ee3d96109457656ff6bf6ada68bd4e/55423813391.pdfIn PDF document text
    • https://investincarpathians.eu/app/webroot/media/files/24057641616.pdfIn PDF document text
    • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/90c7f0809fe252bcd47eef2ad764efd0/rowerizu.pdfIn PDF document text
    • https://locoffice.ru/userfiles/file/jijotebu.pdfIn PDF document text
    • https://www.uralhelicom.com/frontend/web/js/kcfinder/upload/files/kumuxagaxowezu.pdfIn PDF document text
    • http://chinalabware.es/d/files/junezapenuxegatuter.pdfIn PDF document text
    • https://mifuj.co.za/XSRYdR1H?utm_term=edit+pdfs+freewarePDF link annotation
    • http://hanmih.com/userfiles/file/20220202105200.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 extracted file (font_00_sfnt_off00041af9.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00041af9.bin)

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00041af9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x41AF9 10288 bytes
SHA-256: e44079bdfe86432b3b38d0d4995a1c030d3687b324967d6fc5ac6762b9d06fac
font_01_sfnt_off00043259.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x43259 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off00044974.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x44974 18308 bytes
SHA-256: 851781ed560744ca84ed5cd0833399faf7dccf28e4da9647da61e6066cc98d7b

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