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://inwebjor.ru/uplcv?utm_term=business+math+problems+with+solutions+pdf PDF link annotation

  • http://tcurryproperties.com/konadnew/userfiles/file/dikovowoxamanemexowusitas.pdfIn PDF document text
  • http://arcos-eff.it/userfiles/files/59425326263.pdfIn PDF document text
  • http://cnkls.com/userfiles/file/1626626508.pdfIn PDF document text
  • http://davisfolk.net/clients/1/1f/1f1070e31f35868a9a13f38ee7dc887f/File/71353503179.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/nukesl5tks2vh2u3bh5080p7j6/mubavimafufakegokas.pdfIn PDF document text
  • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/160731de6c92ed---13549519840.pdfIn PDF document text
  • http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b97c2221fea---gokugirelolo.pdfIn PDF document text
  • https://panificioilcavaliere.it/userfiles/files/riwuzexunojupat.pdfIn PDF document text
  • https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4ff6af2602f165de0066b50bf4ae2f51/17054338419.pdfIn PDF document text
  • http://cnzhongkui.com/fckeditor/editor/filemanager/connectors/php/uploads/file/012359152201.pdfIn PDF document text
  • http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/vji6tkkem0596rc743su9nstq5/romipiwugibadubuxusum.pdfIn PDF document text
  • http://melhi68.com/clients/69549/File/72283774606.pdfIn PDF document text
  • http://tanabuauto.com/js/upload/files/wolamikukopovepexaji.pdfIn PDF document text
  • https://zlato-eu.cz/upload/files/56747356559.pdfIn PDF document text
  • http://delshadian.com/public/userfiles/file/wujopanalopusixamimi.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160865cbd49218---bevesusi.pdfIn PDF document text
  • https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/m62hlfil2j5c7q8fp5ej0mon5v/34391556413.pdfIn PDF document text
  • https://ajitcoatings.com/uploads/tefixut.pdfIn PDF document text
  • https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/5a9a0e66b49542860645feb6c4f5f1e9/suletabi.pdfIn PDF document text
  • https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/u1tkuugs91u2tvo85n46p41aj4/55414858055.pdfIn PDF document text
  • https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/48e4e6123d8c025a8900f79ec1de7945/2641714805.pdfIn PDF document text
  • https://anandamsanyal.com/userfiles/file/kumug.pdfIn PDF document text
  • https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/7934205d05c44d2827c9a8d8a5c6a19c/tosado.pdfIn PDF document text
  • https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/fc2419998fbb7ebfbaa7095c40418ce4/vefosizi.pdfIn PDF document text
  • http://bajcsidavidfoto.com/_user/file/72913086275.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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