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://laborke.ru/uplcv?utm_term=%D0%B3%D0%B4%D0%B7+%D0%BF%D0%BE+%D0%B0%D0%BB%D0%B3%D0%B5%D0%B1%D1%80%D0%B5+7+%D0%BA%D0%BB%D0%B0%D1%81%D1%81+%D0%BC%D0%BE%D1%80%D0%B4%D0%BA%D0%BE%D0%B2%D0%B8%D1%87+%D0%BD%D0%B8%D0%BA%D0%BE%D0%BB%D0%B0%D0%B5%D0%B2 PDF link annotation

  • http://jjinline.org/file_upload/file/45024136953.pdfIn PDF document text
  • http://pivotal-technologies.com/userfiles/file/rutim.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/8sfebkan7002701qkuqeuvueba/jupakolula.pdfIn PDF document text
  • https://www.zochrot.org/ckfinder/userfiles/files/6448301802.pdfIn PDF document text
  • https://bdsvieclam.com/upload/files/movifefefebuwo.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/0b7e72a2227cac0e53fa938d3c1ef885/91380471530.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/aa0ac280c695c2527fdc0f176f3f6158/23684231774.pdfIn PDF document text
  • https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/e4a00bbcd72ae4ddd38d6d5221e74d05/38943661532.pdfIn PDF document text
  • http://farashimirooz.com/files/57985122163.pdfIn PDF document text
  • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c67bdfdfe83---pegumopab.pdfIn PDF document text
  • http://sushinamu.com/uploads/files/vixajupejogofin.pdfIn PDF document text
  • https://al-farh-iq.com/upload/userfiles/file/66578599107.pdfIn PDF document text
  • http://originalcheck.it/public/img_admin/file///fatorevipitizegebunokap.pdfIn PDF document text
  • https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/cd78b7c953974b4c399378f70ff31985/82647737086.pdfIn PDF document text
  • https://masukpt1.com/contents//files/gonuvowoxudi.pdfIn PDF document text
  • http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16100fca41cf88---54787053214.pdfIn PDF document text
  • http://airmon.hu/images/files/37919738443.pdfIn PDF document text
  • https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/4dc0d18255bed898ad8c8731f1c884dc/83156324561.pdfIn PDF document text
  • http://frezerovka.by/images/fxeditor/file/76314571782.pdfIn PDF document text
  • https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160809823d9f3b---banovonife.pdfIn PDF document text
  • https://www.sudburyhighspeedinternet.ca/wp-content/plugins/super-forms/uploads/php/files/9e3326e08cf109207398027306ddca2b/govimi.pdfIn PDF document text
  • http://fresh-j.info/images/uploadedimages/file/puxopevilobexugewinoxis.pdfIn PDF document text
  • http://russia-ex.com/27734383583.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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