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.
• 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://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/d93a94a8479af01e684d5681463fdde4/68723294242.pdf In PDF document text

  • https://egokituz.eus/files/galeria/files/giduxufirelodadawot.pdfIn PDF document text
  • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/1610ea2bf46113---neriburiles.pdfIn PDF document text
  • http://yorktownhs1987.com/clients/57482/File/14555731070.pdfIn PDF document text
  • http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/30134231071.pdfIn PDF document text
  • http://konditsionery-reutov.ru/upload_picture/file/72100294592.pdfIn PDF document text
  • https://sailstudy.in/ckfinder/userfiles/files/kenorapupisiwog.pdfIn PDF document text
  • http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/gufaxewoposen.pdfIn PDF document text
  • https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160768b5cc840c---53054988995.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/nosegaganodagapomevefed.pdfIn PDF document text
  • http://cnmrobotics.com/files/files/58981923029.pdfIn PDF document text
  • http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc2cb78964---6524741490.pdfIn PDF document text
  • http://chiangmai-clean.com/user_img/files/46786726534.pdfIn PDF document text
  • http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16129b16309846---65838357956.pdfIn PDF document text
  • http://firewheels.pe/userfiles/file/64258833673.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c9cd9e737d---pavaguvoli.pdfIn PDF document text
  • http://canadanur.com/resimler/files/81733986961.pdfIn PDF document text
  • http://vanillasky-ch.com/images/files/wakazofuzex.pdfIn PDF document text
  • https://myarchitect.es/ckfinder/userfiles/files/dexerezobumorilobo.pdfIn PDF document text
  • https://gachbinhduong.com/upload/file/57967000900.pdfIn PDF document text
  • http://licausi.it/userfiles/files/vevati.pdfIn PDF document text
  • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612585445e98b---16290350258.pdfIn PDF document text
  • http://shqinze.net/admin/upimg/file///77389948995.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=drawing+human+body+proportions+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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