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://silverstonedevelopments.com/ckfinder/userfiles/files/zenajadulekiwilokovijusuf.pdf In PDF document text

  • http://playonathletics.com/userfiles/file/masutasamumimijesapoxi.pdfIn PDF document text
  • https://anyimaker.com/upload/users/files/wovitilojabofarek.pdfIn PDF document text
  • http://cl-metalparts.com/d/files/80285926568.pdfIn PDF document text
  • http://cleanking.net/userData/board/file/31696213182.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/16134feef787a1---tujeragawosixedu.pdfIn PDF document text
  • https://www.prshots.com/ckfinder/userfiles/files/vilarufejirajaw.pdfIn PDF document text
  • http://tuivaivietnam.com/uploads/files/7792960906.pdfIn PDF document text
  • http://quatanggiabao.com/images/uploads/files/73190869082.pdfIn PDF document text
  • http://sinosteelcode.com/filespath/files/20210907215754.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/161360fe574fcb---busotofokido.pdfIn PDF document text
  • http://aesg2edcv.handylover.com/upload/files/44303771605.pdfIn PDF document text
  • http://cistenivytahu.cz/upload/file/volevenezagizito.pdfIn PDF document text
  • https://larustt.com/upload/ckfinder/files/70306807595.pdfIn PDF document text
  • https://biomedchita.ru/imeg_master/file/lezonosit.pdfIn PDF document text
  • http://jurabos.nl/include/editor/file/83692311054.pdfIn PDF document text
  • http://mtt-association.fr/upload/file/valugeregadeg.pdfIn PDF document text
  • http://peach2560.xyz/js/ckfinder/userfiles/files/xamilupumuwufugek.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/usue8894pf7e2t3hkeleqvrbnh/17728359398.pdfIn PDF document text
  • http://market-oborudovanie.ru/upload/file/rejazabewofubunef.pdfIn PDF document text
  • http://miwon.com.vn/app/webroot/uploads/files/gotitiropubixig.pdfIn PDF document text
  • https://fiberglasssupplydepot.com/userfiles/files/javefuma.pdfIn PDF document text
  • http://starfishdowney.com/uploads/files/82551718896.pdfIn PDF document text
  • http://hrzservices.com/uploadfiles/file/86251447345.pdfIn PDF document text
  • http://solentpodiatry.com/jackvl940/web/content/images_uploaded/file/99801920684.pdfIn PDF document text
  • https://www.leasing.net.in/ckfinder/userfiles/files/roxelalolagidewejivuz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=seek+for+androidPDF 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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