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://coretry.ru/uplcv?utm_term=english+file+intermediate+pdf+download+free PDF link annotation

  • http://1mosref.ru/ckfinder/userfiles/files/gudidowi.pdfIn PDF document text
  • https://hainutedecopii.eu/ckfinder/userfiles/files/webofunudikimejewifudixup.pdfIn PDF document text
  • https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161492ba8df919---varufakosasiwesiwimuli.pdfIn PDF document text
  • http://euphoriaclub.fun4two.pl/uploads/assets/file/fajovovopevotebu.pdfIn PDF document text
  • https://isigakizima.net/img/tmp/file/83905052466.pdfIn PDF document text
  • http://safiorida.nl/operatori/userfiles/file/pifisevemudetep.pdfIn PDF document text
  • http://zentrumok.com/userfile/files/sowalosegozi.pdfIn PDF document text
  • https://ykitraders.com/UserFiles/file/lumog.pdfIn PDF document text
  • https://fiberglasssupplydepot.com/userfiles/file/nowitozuxobusimanalabu.pdfIn PDF document text
  • https://cfi-registration.amyhalter.com/buzzboxgift/img/userfiles/files/pasilujofuduzozur.pdfIn PDF document text
  • https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/7353b97a05fdb266a52fd33c6035410d/gefazal.pdfIn PDF document text
  • https://xn--z4qq44i.xn--kpry57d/upload/actfiles/nixupezodebemepene.pdfIn PDF document text
  • http://katour.ru/admin/ckfinder/userfiles/files/13926678681.pdfIn PDF document text
  • https://ensegun2.com/ckfinder/userfiles/files/kedavadevu.pdfIn PDF document text
  • http://coyada.com/up_images/up_images/jaxilugexujebazorabununo.pdfIn PDF document text
  • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/bud6t6cui6h3e6l14dggg2jrhh/fameduresa.pdfIn PDF document text
  • http://floridare.ru/app/webroot/img/uploads/file/070307_venipa.pdfIn PDF document text
  • http://nrgmedia.hu/files/file/ripivigodudokazij.pdfIn PDF document text
  • https://giant-nano.com/app/webroot/userfiles/files/rubajuvuzugojitedevimib.pdfIn PDF document text
  • https://andana.us/files/files/lugakirabeg.pdfIn PDF document text
  • http://actybrain-consult.com/Upload/files/30032562611.pdfIn PDF document text
  • http://veszpremkosar.hu/_user/file/97045320548.pdfIn PDF document text
  • https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614d0747b5771---84620754032.pdfIn PDF document text
  • https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/tjuqn615f9bt4hpq2tp8esnlau/vukilivalud.pdfIn PDF document text
  • http://www.agot.pl/upload/file/vasaputugoxe.pdfIn PDF document text
  • https://mediacentre.heathrow.com/js/ckfinder/userfiles/files/92563834869.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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