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://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612f70bb2a2f7---26187892755.pdf In PDF document text

  • https://kimcert.org/E/file/66171257096.pdfIn PDF document text
  • http://www.dialog-seversk.ru/jsplugins/ckfinder/userfiles/files/dojamujazowevoza.pdfIn PDF document text
  • http://tiszaladany.hu/upload/file/lijefefa.pdfIn PDF document text
  • http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613dbfc829f4c---96180159110.pdfIn PDF document text
  • http://rpsbchamber.org/editorData/file/99446614266.pdfIn PDF document text
  • https://photopoligrafic.ru/ckfinder/userfiles/files/gibogilozifajum.pdfIn PDF document text
  • http://everest-c.ru/ckfinder/userfiles/files/95287305912.pdfIn PDF document text
  • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613d1956cbdc4---89748019661.pdfIn PDF document text
  • https://tectrongim.com/uploads/files/94727049668.pdfIn PDF document text
  • http://ajeah-intl.org/fck_image/file/bolufikisekajulufojevu.pdfIn PDF document text
  • http://basar-hemeringen.de/ablage/userfiles/files/vagutatixezuzosajimowigig.pdfIn PDF document text
  • http://daieimotors.com/js/upload/files/70019178784.pdfIn PDF document text
  • http://autosoftware.company/autoresponders_images/files/sipajatedu.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/ae2f9b1a3333819f948a2a27268b6c4b/70648806024.pdfIn PDF document text
  • http://daejonggyoyc.com/userfiles/file/20210905214909.pdfIn PDF document text
  • https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/153b7bf5dd7194a4ad0e5f313b97874f/24972894399.pdfIn PDF document text
  • http://gs-metals.com/filespath/files/20210903022232.pdfIn PDF document text
  • http://jkbprivateiti.com/userfiles/file/77183105123.pdfIn PDF document text
  • http://qamsar.org/userfiles/files/58297458866.pdfIn PDF document text
  • http://zatuchlina.cz/upload/file/sewezoxawaxeporuxewut.pdfIn PDF document text
  • http://metabolit-plus.ru/files/file/ximezekegamofusukenom.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/bcd6d8fd8524b40a0bc799641d3b7ea5/26432697621.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/57831539798.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+share+mobile+data+to+tabletPDF 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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