Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://synerhu.ru/uplcv?utm_term=ejercicios+de+comprensi%C3%B3n+lectora+para+secundaria+-+fichas+en+pdf PDF link annotation

  • http://boletin.alicantehosteleria.com/lib/ckfinder/userfiles/files/21385390018.pdfIn PDF document text
  • https://bamfieldrental.com/userfiles/file/15810953976.pdfIn PDF document text
  • http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/9acvn51fjh7sfb4h7gqnhfkotr/56931645589.pdfIn PDF document text
  • http://bfr-bialapodlaska.pl/userfiles/file/vavorixilidagila.pdfIn PDF document text
  • https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/c2e666160176a7c776f00cc56df351e1/nubaditikewajavifije.pdfIn PDF document text
  • http://scuderieverdina.it/scuderia/userfiles/file/55869796274.pdfIn PDF document text
  • https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/l6uooj7bn36p4hgl7l1tntgkub/tafineninometuj.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/bumuxirikukelos.pdfIn PDF document text
  • http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160923d1ca994e---jifez.pdfIn PDF document text
  • https://pharma-tools.eu/galeria/file/zefikevunitipegotet.pdfIn PDF document text
  • https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/787e4a3f2202933757ef7ffb5be39729/jefozexebowikajapuzexejol.pdfIn PDF document text
  • http://xn----8sbxab3abskk3a2j.xn--p1ai/media/file/34168714386.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160ab72c31f671---palemafutopuvosufuveluwo.pdfIn PDF document text
  • http://hodgesmageefamilyreunion.com/clients/c/c9/c95619ca3ec29dd030dc8935b97378d4/File/57065878514.pdfIn PDF document text
  • http://sushikyototogo.com/uploads/files/botarilojamixejo.pdfIn PDF document text
  • http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083bf204710c---49404189892.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16085d18b6d4d7---17922221774.pdfIn PDF document text
  • https://www.potravinyav21.cz/ckfinder/userfiles/files/rawija.pdfIn PDF document text
  • https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a211ff6b92a---25180049609.pdfIn PDF document text
  • http://prattsofdouds.com/clients/d/d8/d85aab9f4bcbae69c8358f7a9990a0b1/File/duzewateborigowuk.pdfIn PDF document text
  • http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16082e9f2c0cb1---siguvapimiled.pdfIn PDF document text
  • http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/c20b5f87dbab49abc4fb5601989f7a6a/fuwun.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16071753f2e32a---bunuwusubusobuliwusolasi.pdfIn PDF document text
  • http://danburyhighclassof1961.com/clients/b/b4/b42d7d7907ff1a67dd6fd366dd3c6775/File/60155672604.pdfIn PDF document text
  • http://brandnewgoods.net/userfiles/file/28688888893.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609baac4e1e03---78855659211.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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