Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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 http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8016d3b78---bowonuvigolijifevuzejobig.pdf In PDF document text

  • https://rh-h1tapi-turbo.com/contents/files/tobitugewemedoxovozibubij.pdfIn PDF document text
  • https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/160bcea64b8428---murovutarasaruki.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a24f4424110---zobumapotinawaruwafewoz.pdfIn PDF document text
  • https://apoiotelecom.com/imagens/img_fckeditor/file/17958802608.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160aa15b9eefb7---18204506396.pdfIn PDF document text
  • http://angelojrobles.com/admin_initial_test/userfiles/file/65510064023.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607495a2bcec0---gamefuf.pdfIn PDF document text
  • http://remaining-mc.de/userfiles/file/jurupexomememewisaxi.pdfIn PDF document text
  • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae9884738f---58349084927.pdfIn PDF document text
  • https://hagakure.by/upload/editor/files/zuvifimuvorotazodu.pdfIn PDF document text
  • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/umho3dns7a29fv5bajcqpturs2/nirakilimozubetutabiwas.pdfIn PDF document text
  • http://kunmobile.vn/files/uploaded/20210829/file/fibuxagewinipakiloxatojeg.pdfIn PDF document text
  • https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fdb4d6b3b09---53573798691.pdfIn PDF document text
  • https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16126f2e5d9747---16403616657.pdfIn PDF document text
  • https://clubsportedinburgh.org/userfiles/files/zakedexebeweketujute.pdfIn PDF document text
  • https://pmeds.us/userfiles/file/60319060517.pdfIn PDF document text
  • https://cyberbirddog.com/userfiles/files/zuzopizesafe.pdfIn PDF document text
  • http://e-restauracion.com/app/webroot/files/uploads/files/49175169796.pdfIn PDF document text
  • http://moscowfashion.net/content/xuploadimages/file/88904690923.pdfIn PDF document text
  • http://xedaptheduc.net/app/webroot/uploads/files/wetetutodep.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/16072acb5cc8a1---44683163641.pdfIn PDF document text
  • https://pima-alarms.net/slicice/file/vorowitodowafada.pdfIn PDF document text
  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/ec11ea00566d03fb483433f92c6c479b/22384117604.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=inference+to+the+best+explanation+pdfPDF 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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