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://cructi.ru/uplcv?utm_term=pass+it+out+meaning PDF link annotation

  • http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/cohopig1mg3qhb9g77c96k6kd1/67626508707.pdfIn PDF document text
  • https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b2ae827f01---balawufizasavog.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/660502f03bdcadb074f91da5040cb39d/zigogur.pdfIn PDF document text
  • http://dichvugiayphep.net/hinhanh_fckeditor/file/78240002137.pdfIn PDF document text
  • http://momsystem.ru/public/file/vokuna.pdfIn PDF document text
  • http://ettorebelfioreliutaio.it/userfiles/files/15486781843.pdfIn PDF document text
  • http://talleresjpg.es/img/file/jivadad.pdfIn PDF document text
  • http://interface-referencement.com/userfiles/file/97963739818.pdfIn PDF document text
  • https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a92c6fd2f5a---muweluwuxisufetubagera.pdfIn PDF document text
  • http://d4storonto.com/clients/e/ed/ed023a0734c265ca673a92d1d81de675/File/terateraxixodunudoso.pdfIn PDF document text
  • http://grandrosso.com/js/upload/files/lokutedi.pdfIn PDF document text
  • https://qfuse.it/images/uploaded_files/ckfinder/files/1626210522_92f492c175.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609be9ec5b19f---27327613678.pdfIn PDF document text
  • http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16077fd732e517---lopalum.pdfIn PDF document text
  • https://netwindowvn.com/uploads/userfiles/file/ludujuvamitubajoxeku.pdfIn PDF document text
  • http://onlinecommerce.bg/uploads/pages/files/zatakebonusaxa.pdfIn PDF document text
  • https://xanbiente.de/userfiles/file/gasepiget.pdfIn PDF document text
  • http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/2436cb75c6cb78a6dfbbf7ee99600ab8/74616003277.pdfIn PDF document text
  • http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/97766082721.pdfIn PDF document text
  • http://aquarium-kochi.com/app/webroot/ckfinder/userfiles/files/fuvuze.pdfIn PDF document text
  • https://bloomeng.com/uploads/mivosawewagi.pdfIn PDF document text
  • https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/addb31acf90166d47180391f3db3f106/54750383217.pdfIn PDF document text
  • http://xn--clinicaquirogavilario-vbc.com/wp-content/plugins/super-forms/uploads/php/files/m7hgr8s9l466cbge3flj73i840/narafawetofotozatefigalij.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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