Malicious PDF — malware analysis report

Static analysis result for SHA-256 47873063f1d5bab1…

MALICIOUS

PDF

107.1 KB Created: 2022-03-31 13:55:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20
MD5: 047a9e230a09943eee7f61124f748f0d SHA-1: 9db4aea48e5d112b58295d940bd484d5ee2a47c7 SHA-256: 47873063f1d5bab1b8367f88d2a0acf350a6f10f54fe9c8d04e606f951aab9e4
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. 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://yubit.co.za/YmrXLWy8?keyword=how%20to%20do%20c++%20programming%20in%20android%20phone PDF link annotation
    • https://dol-rtknetwork.com/uploads/files/19976832260.pdfIn PDF document text
    • https://volorizog.weebly.com/uploads/1/3/1/0/131070051/9025648.pdfIn PDF document text
    • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1622ff3a27ac8e---39569264112.pdfIn PDF document text
    • http://www.tamar.org.br/fotos_news/files/domamipoz.pdfIn PDF document text
    • https://e-midas.ro/files/file/darunexa.pdfIn PDF document text
    • https://lizelizana.weebly.com/uploads/1/3/1/4/131409616/kupovilimomokuf.pdfIn PDF document text
    • https://daxosunusopudom.weebly.com/uploads/1/3/4/5/134510034/zisixizo.pdfIn PDF document text
    • http://zssulejovice.cz/kcfinder/upload/files/xunezagobivowujidudati.pdfIn PDF document text
    • http://conf.uml2.ru/kcfinder/upload/files/mumibijelagud.pdfIn PDF document text
    • http://radis-rrl.ru/userfiles/image/ravujofutebebase.pdfIn PDF document text
    • http://gelinyuanyi.com/upload_fck/file/2022-2-9/20220209004929317919.pdfIn PDF document text
    • http://akafgdsgreawy.pretty-match.com/upload/files/jomaxa.pdfIn PDF document text
    • http://sasnowosielski.com/ckfinder/userfiles/files/76346385056.pdfIn PDF document text
    • http://hitplus.eu/userfiles/file/83817386941.pdfIn PDF document text
    • http://altelaw.com/uploads/image/file/61556895037.pdfIn PDF document text
    • http://meditopthailand.com/file/muwijowotilizo.pdfIn PDF document text
    • http://studiopetrilli.it/userfiles/files/lazetefogefesuduzotenewo.pdfIn PDF document text
    • https://norasegineze.weebly.com/uploads/1/3/6/0/136082699/sekebobutilulat_kumiku_nexirunubujani_lezuk.pdfIn PDF document text
    • https://anglarill.net/userfiles/file/63187520437.pdfIn PDF document text
    • http://china-baby-clothes.com/d/files/lowezujegegugijupuk.pdfIn PDF document text
    • https://gedofulijul.weebly.com/uploads/1/3/0/7/130775434/wovamiroxor.pdfIn PDF document text
    • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/161faaefc0a9e0---jenapudi.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_off00014042.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14042 17292 bytes
SHA-256: 8090b4a32ffb0ffaf48e46312b814b1e9b6b42d084159390d7e03239a63571e4
font_01_sfnt_off00016d79.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16D79 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00018590.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x18590 10824 bytes
SHA-256: 28ebcadb287261449da7a6384f7d41b1c74c0891758f6c194f8dec366f9287a8

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