Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://philabc.ru/uplcv?utm_term=problemas+porcentajes+2o+eso+pdf PDF link annotation

  • https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/4c6a4065877e9cbdded09b562cfa5575/boviposopatedef.pdfIn PDF document text
  • https://tecnibat.net/uploads/archivos/79247980178.pdfIn PDF document text
  • http://garage-fuji.jp/js/upload/files/86151020203.pdfIn PDF document text
  • http://musorcentrum.hu/files/article/file/begiwakafipudip.pdfIn PDF document text
  • https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/dfd627b1eee01e310fbc1b1e3921970f/5564348831.pdfIn PDF document text
  • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c180e4330de---dajikez.pdfIn PDF document text
  • https://lifetides.ca/cambridge/uploads/files/sutebanirupafodenovem.pdfIn PDF document text
  • http://xn--12cm8caae5d9a0a0a1dxk6dd.com/user_img/files/jodabim.pdfIn PDF document text
  • https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092d2387e46d---zasukinimolomuse.pdfIn PDF document text
  • https://successalpha.team/upload/files/97343524892.pdfIn PDF document text
  • http://peusch.lu/userfiles/files/60960983004.pdfIn PDF document text
  • http://timelessmebel.ru/wp-content/plugins/super-forms/uploads/php/files/85b3d8fa038aba23b1e3239041aab8fb/finevowatada.pdfIn PDF document text
  • http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f4d22234d1---kaxarule.pdfIn PDF document text
  • https://europeancustomtailor.com/wp-content/plugins/super-forms/uploads/php/files/e53f814bb40b5eeae426c5e0621c5d0e/94932497384.pdfIn PDF document text
  • http://kraemer-duennebacke.de/files/file/napib.pdfIn PDF document text
  • http://hvpeds.com/upload/contents/file/92955576209.pdfIn PDF document text
  • http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c30e5921bc3---bemifagetilevakowomularij.pdfIn PDF document text
  • https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/6c6bfc540d082b4ad422067b839233b0/19285420891.pdfIn PDF document text
  • https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/a4v0ev7q4d87nmci8gqfoo5c55/96578382822.pdfIn PDF document text
  • https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/1efa361d1015f1f36a93467966f6cf29/65060849521.pdfIn PDF document text
  • http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/d126b513c23549a509deb68dde29a2d7/gamerasajalijo.pdfIn PDF document text
  • http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089287781891---20801548269.pdfIn PDF document text
  • https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/9sundugpkhet8m7bvupndtl3ji/58213589346.pdfIn PDF document text
  • http://bagiez.com/userfiles/file/gilawogoxinub.pdfIn PDF document text
  • http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4f38c0ff72---85221498557.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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