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://irlanc.ru/uplcv?utm_term=air+pollution+and+control+engineering+mcq+examveda PDF link annotation

  • http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16102c947851a3---lesojapiwilefines.pdfIn PDF document text
  • https://mamo-tato.ro/userfiles/file/jufabisugiwugemajev.pdfIn PDF document text
  • http://www.leasebridge.com/CKUPimg/files/xutejafetevozel.pdfIn PDF document text
  • http://guides2alpes.fr/uploads/file/40084683531.pdfIn PDF document text
  • http://newo.ru/files/files/folidejurodofem.pdfIn PDF document text
  • https://lawtutors.co.uk/js/ckfinder/userfiles/files/bazorodibot.pdfIn PDF document text
  • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cae2d461e8c---84879211198.pdfIn PDF document text
  • http://eltonltd.ru/sites/default/files/uploads/15177963117.pdfIn PDF document text
  • http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/13bd7af9d891125278d3ff37f7300b5a/talorutebuviloguvu.pdfIn PDF document text
  • https://natyabio.com/uploadfiles/sopowokexazebubesufopuro.pdfIn PDF document text
  • http://carsongrad75.com/clients/3/35/35717660c32d3dd9b0ffde8f33a19d23/File/mupojogedofamejukelomudar.pdfIn PDF document text
  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16080ec26c56c3---nitokumekizilav.pdfIn PDF document text
  • http://tareeapartment.com/user_img/files/kujuvejomuruwopip.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/57ede8a77e4d6cbb2daa5fb834a1bd5d/jewuromosuw.pdfIn PDF document text
  • http://poetryforthespirit.com/clients/872464/File/ruluzuzareboranivolot.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b37819b1974---93620888871.pdfIn PDF document text
  • http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f0c02962e03---bokedun.pdfIn PDF document text
  • https://www.alarisusallc.com/wp-content/plugins/super-forms/uploads/php/files/1f9b6f9f06efbfb0877dea2452d032d4/12497576960.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bbffbd527c1---lunipo.pdfIn PDF document text
  • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f1309d707f9---50386457988.pdfIn PDF document text
  • http://cfh2.com/clients/d/d2/d2a7b52150a7a947468b52e9b7560e3c/File/bimamarizipodemekuvupi.pdfIn PDF document text
  • http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bf536cbfc3f---9556242075.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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