Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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 https://oniceh.ru/uplcv?utm_term=my+gmail+app+keeps+closing PDF link annotation

  • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/859b54ceb3ff965ffe061263a21e2027/47338777337.pdfIn PDF document text
  • https://tch.lu/files/files/wenugakewubivagok.pdfIn PDF document text
  • http://ingmarcofaedi.com/userfiles/files/94052133899.pdfIn PDF document text
  • http://wrtour.com/FileData/ckfinder/files/20210916_5BB9C75A2AFE90F4.pdfIn PDF document text
  • http://lukoilmarine.com/ckfinder/userfiles/files/nibelajegajironuxudaturij.pdfIn PDF document text
  • http://kutscher-customs.de/gfx/userfiles/files/sonibilagituronoweraw.pdfIn PDF document text
  • https://media-get.com/userfiles/files/kixulorudujujujijo.pdfIn PDF document text
  • http://autoklej.pl/app/webroot/media/files/raloxewiwex.pdfIn PDF document text
  • https://bangprice.com/bangprice.com/beta/cms_image/file/vavekiruvodanogej.pdfIn PDF document text
  • https://sapporomn.com/userfiles/files/fogij.pdfIn PDF document text
  • http://sarigol.kr/userData/ebizro_board/file/66445700921.pdfIn PDF document text
  • http://sherwoodchambergolf.org/ckfinder/userfiles/files/96308655397.pdfIn PDF document text
  • http://www.feniuniversity.edu.bd/app/webroot/ckfinder/userfiles/files/70718149109.pdfIn PDF document text
  • http://www.novosib-sport.ru/ckfinder/userfiles/files/9308309077.pdfIn PDF document text
  • http://gkz-crimea.ru/userfiles/file/vizada.pdfIn PDF document text
  • http://noospc.ru/SITE/files/editor/file/95911603431.pdfIn PDF document text
  • https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/f2a79a48f59c9fcc1715263d28aa7186/8994727840.pdfIn PDF document text
  • https://korankertas.com/contents/files/68523683178.pdfIn PDF document text
  • https://sysyanginguvenlik.com/uploads/files/fepimorel.pdfIn PDF document text
  • http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d7ac37c961---1099971307.pdfIn PDF document text
  • http://opgzvh.hr/upload/file/wiritebatuguranosexe.pdfIn PDF document text
  • http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134192f64aa4---61948702159.pdfIn PDF document text
  • https://giga-tronics.com/userfiles/files/lizul.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

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