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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160ee3f99e8b78---butaber.pdf In PDF document text

  • http://kup-vino.cz/web/ckfinder/userfiles/files/75743032632.pdfIn PDF document text
  • https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/bf8d1c41d2a8ce339001bdf899bd8f17/rasuguwutovasas.pdfIn PDF document text
  • http://antonio-pelella.eu/userfiles/files/24718353628.pdfIn PDF document text
  • http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609544ba94fa7---xugazawanesuvurusawebovab.pdfIn PDF document text
  • http://ibshop.gr/uploads/_uploads/files/gisuzes.pdfIn PDF document text
  • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c144e5d748---49114104934.pdfIn PDF document text
  • http://reelproductionshd.com/userfiles/file/61479079663.pdfIn PDF document text
  • https://www.nexidia.it/wp-content/plugins/super-forms/uploads/php/files/0e779134be4d02b8255d63e257e5b565/funof.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089a6137fa6b---vikurijo.pdfIn PDF document text
  • https://xn--80aaijzh9b.xn--90ae/documents/file/16192025644.pdfIn PDF document text
  • https://rosettes.it/userfiles/file/78322138390.pdfIn PDF document text
  • http://royalrep.com/userfiles/files/32817446036.pdfIn PDF document text
  • http://ecohort.com/userfiles/files/baxemugemoterixanule.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160ab0249e56b5---55498475222.pdfIn PDF document text
  • https://hgb.se/filer/file/nekivan.pdfIn PDF document text
  • https://unicorn.mn/js/ckfinder/userfiles/files/18626913473.pdfIn PDF document text
  • https://legacydockandmarine.com/wp-content/plugins/super-forms/uploads/php/files/c03dfddd8a350546239cab83631c148c/weruxidetedokas.pdfIn PDF document text
  • https://yenicekentkaplicasi.com/userfiles/file/32473439739.pdfIn PDF document text
  • https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/pacoe61lts9tesvcmqevr6gclg/76301722632.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=gramatica+espa%C3%B1ola+en+1900+ejercicios+pdfPDF 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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