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://krisoc.ru/uplcv?utm_term=triangle+pattern+in+c PDF link annotation

  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092238f1712f---87029994458.pdfIn PDF document text
  • https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/mhtomj477rfj02hu45hqegi9l0/nugetidovaro.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/cdf5a3invmvq5njft0tlad6o6l/91542384611.pdfIn PDF document text
  • https://rebel-guitars.com/wp-content/plugins/super-forms/uploads/php/files/9c193a490fc5e36554a9c47f2fd5c4cb/29618238277.pdfIn PDF document text
  • https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/asa2432p053cq5leo4gk9tnc7p/92863273521.pdfIn PDF document text
  • https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607a3b4f692bd---jobajenosi.pdfIn PDF document text
  • http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ada266d4d4f---togafif.pdfIn PDF document text
  • http://macautemple.com/userfiles/file/95685108108.pdfIn PDF document text
  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160826d256c603---bowuvejarumapo.pdfIn PDF document text
  • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160852e4ca2b6b---80140335001.pdfIn PDF document text
  • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609a06f859f1f---vezokaverukapupatugosituz.pdfIn PDF document text
  • http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608e3e6a5e419---xujosit.pdfIn PDF document text
  • https://cortemadera.com/wysiwygfiles/file/33287491164.pdfIn PDF document text
  • http://smartpaintingplus.com/userfiles/files/50919189805.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/49844112026.pdfIn PDF document text
  • http://bilmatbasim.com/userfiles/file/92563285644.pdfIn PDF document text
  • http://wojno-stal.pl/pliki/file/33186621021.pdfIn PDF document text
  • http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210623025055155886sa06ep.pdfIn PDF document text
  • http://eko-inwest.eu/upload/file/16576817503.pdfIn PDF document text
  • http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/f458d1dff9e037eb93adaeb627dedd12/fumolo.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f7f5e4f4c9---1183878281.pdfIn PDF document text
  • https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/jmtvkssc9nvc4l0fa2ilf051l1/xomamozukaboluri.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16094a37e74bf6---3881153528.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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