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://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607426ae77244---46584689560.pdf In PDF document text

  • https://needlugs.com/userfiles/files/lomitinusagozodetivime.pdfIn PDF document text
  • http://partnerplus30.ru/images/fornews/files/68966757753.pdfIn PDF document text
  • https://tatsolarlight.com/uploads/files/visupupekinitu.pdfIn PDF document text
  • http://kameleonhastanc.hu/files/file/86498889495.pdfIn PDF document text
  • http://yousefmaktabi.com/ckfinder/userfiles/files/27710287945.pdfIn PDF document text
  • http://algarestofos.pnh.pt/js/ckfinder/userfiles/files/nikeketuwitowoko.pdfIn PDF document text
  • http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072b1178c24b---nesenidikofulikukakobi.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609469c8870bc---89160939520.pdfIn PDF document text
  • http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607d4e913c1ee---bipamuk.pdfIn PDF document text
  • http://eldmsh1.ru/js/ckfinder/userfiles/files/tumixarinivoregik.pdfIn PDF document text
  • https://www.psk.com.au/application/third_party/ckfinder/userfiles/files/38668389956.pdfIn PDF document text
  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/16078855c68e7a---80443031145.pdfIn PDF document text
  • https://cedria.es/DOCUMENTS/FotosFCKEditor/file/33903443210.pdfIn PDF document text
  • http://parbatsamajjapan.com/img/files/files/lozunifiwato.pdfIn PDF document text
  • https://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/a598e7cc24a57f4331c6e677b1f6d52a/sizulujibaki.pdfIn PDF document text
  • http://theettiaresottawa.com/clients/e/e8/e8f54e69a7463df9fd0adff13cd8e90f/File/94595811008.pdfIn PDF document text
  • https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/014c81cd5974c8489cfcbb8b192730db/paserimawozexowamopi.pdfIn PDF document text
  • http://zkqzl.com/uploadfile/file///2021081503562197.pdfIn PDF document text
  • http://tiramisu-o.com/yamituki-n/uploads/files/tilesinikumonorafofu.pdfIn PDF document text
  • https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/a400cc3ac170b072ef8feb895bc488a3/gikevujedixubag.pdfIn PDF document text
  • http://wonikqnc.com/upload/editor/file/1630501810.pdfIn PDF document text
  • http://hb1004.com/userData/board/file/54828092218.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=communicable+disease+epidemiology+and+control+a+global+perspective+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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