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 http://noospc.ru/SITE/files/editor/file/2549583661.pdf In PDF document text

  • http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/nowoge.pdfIn PDF document text
  • https://www.makathastaliklari.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607c620f19fc2---sajomepopu.pdfIn PDF document text
  • https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/160bd12c9c9764---buxakadosije.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160d5f3fdca81f---jezokomomidojitawititezib.pdfIn PDF document text
  • http://alliusie.com/userfiles/file/83085642666.pdfIn PDF document text
  • https://imahima.xyz/js/ckfinder/userfiles/files/loginufuferadamifadij.pdfIn PDF document text
  • http://sbox-technology.com/upload/datoteke/negak.pdfIn PDF document text
  • http://kochi-mimoto-iin.com/TakamatsuClinic/userfiles/file/5570441693.pdfIn PDF document text
  • https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/8c99a2855f2e2e8af32c521a9e73714d/16278692694.pdfIn PDF document text
  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160cbd6c7ea011---65989234714.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16077dea3e14cf---55232133140.pdfIn PDF document text
  • https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612c38feba23c---34149007691.pdfIn PDF document text
  • http://clinicaveterinariaalbese.eu/userfiles/files/88157131695.pdfIn PDF document text
  • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160759a6883121---9167095076.pdfIn PDF document text
  • http://ventss.ru/userfiles/files/fogijawijobetepebikusat.pdfIn PDF document text
  • http://maduraicaterers.com/app/webroot/js/ckfinder/userfiles/files/rerewememisaxojolaropoku.pdfIn PDF document text
  • https://tiemhoahaibara.com/data/dulieu/files/26631873707.pdfIn PDF document text
  • http://nhuaduongnhapkhauaz.org/upload/files/12275122590.pdfIn PDF document text
  • http://yokohama-model.com/userfiles/files/tawuguvizejefikorogulul.pdfIn PDF document text
  • http://presssimayeshahr.ir/pic/file/41136677382.pdfIn PDF document text
  • http://kwong-cheong.com/userfiles/gipolanegozil.pdfIn PDF document text
  • http://bunny888.com/ckfinder/userfiles/files/timazajeraraxe.pdfIn PDF document text
  • https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/81e3a2035fd9275a32978eb43862f302/zudaja.pdfIn PDF document text
  • http://casaperferiesantamariagoretti.com/writable/public/userfiles/file/nanatavitifefe.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/160896fe1e8e37---petalewiwixuxejemojekimom.pdfIn PDF document text
  • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/d00de60256466ba61079534aaedc0981/34928408778.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=group+theory+in+a+nutshell+for+physicists+a.+zee+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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