Malicious PDF — malware analysis report

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
• 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.
• 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://archism.ru/uplcv?utm_term=structural+analysis+by+devdas+menon+pdf+download PDF link annotation

  • https://hophamthaibinh.com/upload/files/90774705064.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/39351979316.pdfIn PDF document text
  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160f0d5b6603d9---80155782795.pdfIn PDF document text
  • https://srmhospitalities.com/images/bulk_images/files/31680352946.pdfIn PDF document text
  • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/640pshar9329g2hfdif5obd03f/35994052658.pdfIn PDF document text
  • http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202105180307156296.pdfIn PDF document text
  • http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3c8d77d7fd---noziravilufenofawenad.pdfIn PDF document text
  • https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/c5a099a29c177d53a022f5e9f5db2a59/45856813684.pdfIn PDF document text
  • http://duonglaohanoi.com/userfiles/file/70026560389.pdfIn PDF document text
  • https://zold-kommando.hu/files/89246814972.pdfIn PDF document text
  • http://paolacaone.eu/userfiles/files/65207840639.pdfIn PDF document text
  • http://www.szphotar.com/admin/img/files/23252014449.pdfIn PDF document text
  • https://evergreencans.com/userfiles/file/felorizuxusedepegivefivel.pdfIn PDF document text
  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160943c583893c---61489971391.pdfIn PDF document text
  • http://lutechmed.com/Images_upload/files/22007886859.pdfIn PDF document text
  • https://instalacje-elektryczne.net/ckfinder/userfiles/files/30233827965.pdfIn PDF document text
  • http://kiemtoanhaiphong.vn/upload/files/88103895515.pdfIn PDF document text
  • http://baloneacessorios.com/_upload/file///mamuwukatoderira.pdfIn PDF document text
  • https://romalasergroup.com/userfiles/files/wutevagebutukutefakabi.pdfIn PDF document text
  • https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/d73b270224c9fdcef190661e5fc26a94/warulezakafunepusutenovij.pdfIn PDF document text
  • http://birnagarcollege.in/userfiles/file/19403270080.pdfIn PDF document text
  • https://stallion-international.com/userfiles/file/40374316850.pdfIn PDF document text
  • http://mazraeir.com/images/upload/files/daxadikebagi.pdfIn PDF document text
  • https://noddy.nu/images/file/sakira.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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