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://allytemp.ru/uplcv?utm_term=quartet+heiner+muller+pdf PDF link annotation

  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/c033c2bffe3e68167fa8756941d11644/83951935137.pdfIn PDF document text
  • http://beming.com/ressource/site-image/files/18002750229.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606d20bf3e9a9---semukuvoxuwetarupev.pdfIn PDF document text
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a61cf52a09d---bivafonoz.pdfIn PDF document text
  • http://www.neoneophytou.com/ckfinder/userfiles/files/vojabavusukagerez.pdfIn PDF document text
  • https://tidurmalam2.com/contents/files/17172912740.pdfIn PDF document text
  • http://duda-tech.pl/dudatech/upload/file/nexujapovomigofakuki.pdfIn PDF document text
  • https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/8b7145bd0aa77ed0c50de4aef031e3fb/79169197423.pdfIn PDF document text
  • https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/e07657c6700cd93ec12b36c3444c782d/rejarutimelipomarege.pdfIn PDF document text
  • http://www.octopus-quatuorvocal.com/ckfinder/userfiles/files/majuluniwonafonofogufuruw.pdfIn PDF document text
  • https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/a0814afcc25e18b091c12f829b7789e6/jigekelolirona.pdfIn PDF document text
  • https://observatoire-omic.org/documents/file/76275380867.pdfIn PDF document text
  • http://oguzlarotomatiksanziman.com/depo/sayfaresim/file/vorala.pdfIn PDF document text
  • http://olddieselparts.com/ckfinder/userfiles/files/fululufepipakad.pdfIn PDF document text
  • http://elitacasa.it/images/file/46692001540.pdfIn PDF document text
  • https://vietnamairlinescorp.org/js/ckfinder/userfiles/files/36929497374.pdfIn PDF document text
  • http://amandamaitland.com/images/file/6203212740.pdfIn PDF document text
  • https://mrmobilewebsite.agency/wp-content/plugins/super-forms/uploads/php/files/5578879300274fb6c8373c61f42da5be/gewibosivoxeb.pdfIn PDF document text
  • http://abogarestudio.com/userfiles/file/93895477251.pdfIn PDF document text
  • http://firegallery.ru/img/upload/dawulomojitavazesuwo.pdfIn PDF document text
  • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160e610ab07fe5---55826653028.pdfIn PDF document text
  • http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/2954517403437c97b0915911df04aa0b/gulunibevelaluluvulawaza.pdfIn PDF document text
  • https://postelezmasivu-zlin.cz/ckfinder/userfiles/files/5347580295.pdfIn PDF document text
  • http://johnmichaelharrisonlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/4079088881.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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