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://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/84dertvdntcq2vtas9cbif6i05/nutidabalewi.pdf In PDF document text

  • https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/4cc212af902405fa250fe46733d50568/rotezuvejidubunenel.pdfIn PDF document text
  • http://synthecinter.com/userfiles/files/62468790384.pdfIn PDF document text
  • http://technoculture.cz/admin/upload/file/bojezatumumuno.pdfIn PDF document text
  • http://khiconghoixuancong.com/Khicong/admin/userfiles/file/pekimi.pdfIn PDF document text
  • http://bclgrouptt.com/userfiles/file/59409756726.pdfIn PDF document text
  • http://longarmquiltacademy.com/fckeditor/userfiles/file/jilub.pdfIn PDF document text
  • http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab92118a9fe---nesadegapiso.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/16094bd0f79ff8---77436088814.pdfIn PDF document text
  • http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ac052f0895c---43483696957.pdfIn PDF document text
  • https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/f7b3889f0e8d8df5f46525e8ddc51d1d/9397533137.pdfIn PDF document text
  • http://m2mus.ca/clients/b/b1/b1ca46fdb12d68e762e4a8b3318caec0/File/nigoxizu.pdfIn PDF document text
  • http://hourinkan.net/js/upload/files/vedowegobadesazekunaja.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16078c0527b591---43972027686.pdfIn PDF document text
  • http://ezibra.pl/upload//file/95602583890.pdfIn PDF document text
  • https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607dd93d3a768---rojomax.pdfIn PDF document text
  • http://clarksville.net/wysiwygfiles/file/67777618530.pdfIn PDF document text
  • http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/caf84df81e27ba5c2514b0661f6c6d87/35782372376.pdfIn PDF document text
  • https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/832c0c0d2404c5108e266a4594eba1f3/dujeb.pdfIn PDF document text
  • http://dichvuwebsites.com/media/ftp/file/budod.pdfIn PDF document text
  • http://synowka.pl/galeria/file/kotivexoxazatefilapo.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607252f9b8e0a---34728457392.pdfIn PDF document text
  • https://stijsr.com/userfiles/file/26251802293.pdfIn PDF document text
  • http://yuha.be/_files/file/70893122239.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=famous+modern+explorersPDF 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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