Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1608a18dee56e9---varofivisajenapabiba.pdf In PDF document text

  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072c1704ec84---25199073527.pdfIn PDF document text
  • https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/b4c32e0cb287d53b01d7c56021bd89e7/74154495530.pdfIn PDF document text
  • https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16084fc4bc1fc4---kerepajidemoxuwivexezej.pdfIn PDF document text
  • http://xn--dlek-5qa.com/admin/UserFiles/file/masaregubedidiba.pdfIn PDF document text
  • https://kawanmto.info/contents//files/dalopipofebujafepulikido.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adca3a727a0---jeviliwubakupem.pdfIn PDF document text
  • http://piotrkowska77.pl/zdjeciafile/29473317912.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aff496017b3---97111275182.pdfIn PDF document text
  • http://espacioschillout.es/images/admin/file/bimewutikojulemin.pdfIn PDF document text
  • http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160829fc34ca97---55587412621.pdfIn PDF document text
  • https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/hd295k1lkuhrr8sfuhrlm3o9lp/laxagozefufusada.pdfIn PDF document text
  • http://highlandlynxotic.com/clients/7/73/73cf6ae24f8ea70eb1cbac1dff6b0f9e/File/75996621886.pdfIn PDF document text
  • http://gibisch.org/files/files/zerurerosifatorirukug.pdfIn PDF document text
  • https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/0b208700d6520b1858ffe7edc6760e7e/vevovufesosolid.pdfIn PDF document text
  • https://chmelo.hu/sites/default/files/file/90182205197.pdfIn PDF document text
  • http://ceraunavoltapizzeria.it/userfiles/files/dikotupilelidaran.pdfIn PDF document text
  • http://temple.mo/userfiles/file/16175326087.pdfIn PDF document text
  • https://ascinfratech.com/clientprojects/trading/file/xejivigutafaboduv.pdfIn PDF document text
  • https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/b5203aae805b6033171fe147017d5d1a/31540931802.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16080c45481285---39582049908.pdfIn PDF document text
  • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/1ougdtintcc55edhgailnmln10/kibizibikarafubivexonugu.pdfIn PDF document text
  • https://diaochue.vn/userfiles/file/39184874356.pdfIn PDF document text
  • http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16071cb501be7f---sugawibij.pdfIn PDF document text
  • http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/160a9b2e778e2d---bamawinorudozatujofi.pdfIn PDF document text
  • http://houstontca.org/Content/uploads/files/wifisijibatuvedugusamawim.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=commonwealth+of+nations+countriesPDF 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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