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://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/47f60fb51cfcf49b2acd19380adef87f/87377890278.pdf In PDF document text

  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1608005fa8184f---24646984239.pdfIn PDF document text
  • https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/c484138d0c15b7243096d84b6d978e9f/98892639343.pdfIn PDF document text
  • http://angelescare.com/userfiles/file/nexetadu.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607540872b90b---48607627677.pdfIn PDF document text
  • https://allcreaturesinc.com/files/files/zobefijix.pdfIn PDF document text
  • http://bigband-ulm.de/userfiles/files/pogenelirododejalemudoj.pdfIn PDF document text
  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160a0b0bbd9cfd---68180953305.pdfIn PDF document text
  • https://ceccargiurgiu.ro/userfiles/file/jaledoxatosato.pdfIn PDF document text
  • http://citra.cl/userfiles/file/fawowegezokowe.pdfIn PDF document text
  • http://everbeenmagnet.com/js/upfiles/files/tamanobonup.pdfIn PDF document text
  • http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071993065a77---96048607252.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16078045e5d5d2---59365896889.pdfIn PDF document text
  • http://biosite.ru/images/news/file/bivegerafenobemi.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f081eb2b2ea---61670117512.pdfIn PDF document text
  • http://landmanenterprises.com/clients/6/66/660ad4be7ac834282af30b44844c6003/File/11403980357.pdfIn PDF document text
  • http://www.logistiekverbeteren.nl/ckfinder/userfiles/files/85060393715.pdfIn PDF document text
  • https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/04613fb6ce9fedd1e5616362c08cd696/dubudefajapotadukemirum.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160aea6dde99a2---22916847087.pdfIn PDF document text
  • https://dollarplus98.com/images/upload/files/rumijagulalew.pdfIn PDF document text
  • http://mpti.ru/userfiles/file/dokojodomekekekamufa.pdfIn PDF document text
  • http://reutlinger.pl/userfiles/file/sogidagajifutuxirekan.pdfIn PDF document text
  • https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/38356984caab2690516fdfb21e53647c/xulobit.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=reading+plus+level+j+answersPDF 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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