Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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 http://master-br.ru/img/file/natuvamufat.pdf In PDF document text

  • https://semut73.com/contents/files/sikaxutudagoti.pdfIn PDF document text
  • https://dammesliepas.lv/ckfinder/userfiles/files/14408635964.pdfIn PDF document text
  • http://railwaysrailroads.com/upload_files/files/xatibode.pdfIn PDF document text
  • http://imbirimbir.ru/files/lawewor.pdfIn PDF document text
  • https://bunianco.com/other_files/File/57012055884.pdfIn PDF document text
  • http://furnitura-syndicat.ru/ckeditor/ckfinder/core/connector/php/uploads/files/88377270595.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/161412b85f31af---44677929315.pdfIn PDF document text
  • http://restavratorstvo.com/ckfinder/userfiles/files/22798489189.pdfIn PDF document text
  • http://occahomesearch.com/userfiles/files/88654965086.pdfIn PDF document text
  • https://www.almuhja.com/ckfinder/userfiles/files/nuvusojujilenosawilezuv.pdfIn PDF document text
  • http://zeguvietnam.com/uploads/ckfinder/files/sijuvule.pdfIn PDF document text
  • https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/d9b7389527ca8cecb606091bb604c9e8/96437442926.pdfIn PDF document text
  • http://sunnyten.net/userData/board/file/bupenemajuxopeborudu.pdfIn PDF document text
  • http://ellissi.org/userfiles/files/dikerawomotilorebo.pdfIn PDF document text
  • http://anhuicrew.com/upload_fck/file/2021-9-14/20210914033635648253.pdfIn PDF document text
  • https://momentous-inst.com/uploads/image/files/52045448823.pdfIn PDF document text
  • http://htk2.altrodesign.eu/ckfinder/userfiles/files/93327896700.pdfIn PDF document text
  • http://oumkua.com/userfiles/file/38963862276.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/p7e557pq6mhks9vdi898as6385/kowalopobux.pdfIn PDF document text
  • http://studiotipaldo.com/userfiles/files/93078910536.pdfIn PDF document text
  • https://www.esfa.bg/root/ckfinder/userfiles/files/piwuv.pdfIn PDF document text
  • https://radmangroup-ye.com/rgfiles/file/botofuvekovejipezemuxum.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=thoptv+v26+apkPDF link annotation
  • 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

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