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://synerhu.ru/uplcv?utm_term=how+to+restore+factory+settings+android PDF link annotation

  • https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/vikumutimimusepa.pdfIn PDF document text
  • http://leaguengn.com/userfiles/file///mudasekekifomaxatiki.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/87595327733.pdfIn PDF document text
  • https://www.jaegeraviation.com/ckfinder/userfiles/files/sexukirizow.pdfIn PDF document text
  • http://olguanaokulu.com/upload/file/72425373597.pdfIn PDF document text
  • https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/161397f205dc3f---nejoju.pdfIn PDF document text
  • http://rewitex.pl/userfiles/file/42208099662.pdfIn PDF document text
  • https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/e3e2be2a9a70f708b7222ea1684475bd/sojexaladigurumisupazufas.pdfIn PDF document text
  • http://dietgame.net/admin/fckeditor/data/file/20210905114329.pdfIn PDF document text
  • https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/161333d352ae59---tijawiraboxet.pdfIn PDF document text
  • https://emprenderem.cl/files/luvuse.pdfIn PDF document text
  • https://webshopplus.nl/app/webroot/files/userfiles/files/domuziz.pdfIn PDF document text
  • http://schroniskoorzechowce.pl/ckfinder/userfiles/files/donebimojelubil.pdfIn PDF document text
  • http://movitecnic.com/ressource/site-image/files/30806738155.pdfIn PDF document text
  • https://www.bankkartya.hu/js/ckfinder/userfiles/files/muzidepuxuvetudebubizalo.pdfIn PDF document text
  • http://elektro-galerie-hamburg.de/userfiles/file/49554940720.pdfIn PDF document text
  • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/61101upng08elvcjqmpmqpj3se/1386225876.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613931fb7eec2---69140638815.pdfIn PDF document text
  • http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16134d87026ccc---98135580002.pdfIn PDF document text
  • http://sarkar.ie/userfiles/file/40821576191.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/161337b7c3077d---82335978290.pdfIn PDF document text
  • https://www.prieur-equipement.com/ckfinder/userfiles/files/rejefemuf.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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