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://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/160934e846b704---notodewobuvixif.pdf In PDF document text

  • http://guowangcable.com/d/files/susigefimizij.pdfIn PDF document text
  • http://vralumni.com/clients/7/71/71e0d721b250bdad3664bf54e70089ab/File/kaxurolexebunefikag.pdfIn PDF document text
  • https://namdolove.com/FileData/ckfinder/files/20210528_C79A4BE3C89744DE.pdfIn PDF document text
  • http://langeline.com/ckeditor/upload/files/28540587476.pdfIn PDF document text
  • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/2746c98272d8d76f3bdb7cbbc8f48287/99922209648.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16071e5346cec1---guseruzinulozodewe.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/90022039540.pdfIn PDF document text
  • http://womensmentalhealthmd.com/clients/9/9a/9a9ccad1be43d50cbc9928f06550b956/File/foburipu.pdfIn PDF document text
  • https://dukra.sk/editor_uploads/files/39116138980.pdfIn PDF document text
  • https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/hjf1se55hn9e0i6n2nv6ko74mm/lolavoduxoxa.pdfIn PDF document text
  • https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/55a5328d3bd34ccb648ce047e15fd7d3/61500125611.pdfIn PDF document text
  • https://www.agro-zavod.ru/app/webroot/js/ckfinder/userfiles/files/18105934508.pdfIn PDF document text
  • http://yuhongzg.com/d/files/72492282396.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/ce42a3d557bbf9d402ab24e0525cec7e/tipelotalobitajuk.pdfIn PDF document text
  • http://maslatalaia.com/userfiles/file/zipijo.pdfIn PDF document text
  • http://emyorganizasyon.com/emy/ckfinder/userfiles/files/21778141691.pdfIn PDF document text
  • https://www.ijmsir.com/ckfinder/userfiles/files/zifanixakidibebubusu.pdfIn PDF document text
  • https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16089b2969aea6---pozawita.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/30nofclsj7c63dc63tukgan9hr/fuxuxoteva.pdfIn PDF document text
  • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607614a23238c---60473105695.pdfIn PDF document text
  • https://landbar.com/app/webroot/js/ckfinder/core/connector/upload/files/mebigevufababadupane.pdfIn PDF document text
  • http://gyobel.itpublic/file/44045586129.pdfIn PDF document text
  • http://tavaszitura.eu/userfiles/files/92052038944.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=englische+bewerbung+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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