Malicious PDF — malware analysis report

Static analysis result for SHA-256 5f3c4d15e267b529…

MALICIOUS

PDF

278.1 KB Created: 2022-04-05 09:09:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-03
MD5: 72817321fa6b724d0a4c4ce3271c138f SHA-1: c1942814318b8db1b8ba765012eb98bc61456483 SHA-256: 5f3c4d15e267b529d9a8ba78b368fa5113bd6c16a056c4f76da214da46edb18b
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7754

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://sunuf.co.za/XSRYdR1H?utm_term=the+greatest+salesman+in+the+world+b PDF link annotation
    • http://marktoby.com/akram/know_news/admin/userfiles/file/19763116290.pdfIn PDF document text
    • http://campbellelectronics.com/uploads/4692168013.pdfIn PDF document text
    • https://shidoremicrosys.com/media/bavuzotekavib.pdfIn PDF document text
    • http://primesystem.kz/app/webroot/js/kcfinder/upload/files/bawekukuxis.pdfIn PDF document text
    • http://www.immat.org.tr/kcfinder/upload/files/69514489468.pdfIn PDF document text
    • https://sedixiru.weebly.com/uploads/1/3/0/7/130740143/nurezoxifebosola.pdfIn PDF document text
    • https://nogorixarolixi.weebly.com/uploads/1/3/0/7/130740589/599959.pdfIn PDF document text
    • https://scmsgroup.org/ckfinder/userfiles/files/bumuragadirawumulurexaka.pdfIn PDF document text
    • http://websurin.net/UserFiles/File/bogarovozop.pdfIn PDF document text
    • https://perfilsondagens.com/admin/files/file/41434705272.pdfIn PDF document text
    • http://eternoohydro.com/d/files/91347691674.pdfIn PDF document text
    • https://kixovojowabib.weebly.com/uploads/1/3/5/9/135966002/8312253.pdfIn PDF document text
    • http://appli-veolia.net/ckfinder/userfiles/files/3300107492.pdfIn PDF document text
    • http://vertex-decor.com/userfiles/file/94586354046.pdfIn PDF document text
    • https://guwakeba.weebly.com/uploads/1/3/4/5/134597639/122846b0c.pdfIn PDF document text
    • https://p-yanagase.gorakuou.net/blog/upimg/72823338071.pdfIn PDF document text
    • https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/8effb70d7a900ff4ba6427ac90477f95/tanezogurasubobomi.pdfIn PDF document text
    • https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1621f07e0c9c79---dijusevokodovunafu.pdfIn PDF document text
    • https://matras-matrasych96.ru/admin/ckfinder/userfiles/files/26222616773.pdfIn PDF document text
    • http://pc-driver.ru/userfiles/files/joxinudolo.pdfIn PDF document text
    • https://wulukisogexoz.weebly.com/uploads/1/3/1/4/131438059/naramu.pdfIn PDF document text
    • https://ponawexem.weebly.com/uploads/1/3/2/7/132740185/915622950e.pdfIn PDF document text
    • https://khyatiinfotech.biz/ckfinder/userfiles/files/xuruxagexenox.pdfIn PDF document text
    • https://wildarium.com/ckfinder/userfiles/files/gavutobiwimaxed.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_off0003eb40.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0003eb40.bin)

Related samples 4

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_off0003eb40.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3EB40 17652 bytes
SHA-256: 872028a0781f3b1335b2343d01a5337cfc3f2204784c8ae98751daef13d3a386
font_01_sfnt_off000418ec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x418EC 10884 bytes
SHA-256: 577f534683d6d0f57e473ed6b318761686a4c7017db1a7053f903a23385506ee
font_02_sfnt_off000431c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x431C2 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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