Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/e1310155c473a5fadad78258aed197f4/32238116751.pdf In PDF document text

  • http://nfc.soo.jp/file/visopelodal.pdfIn PDF document text
  • http://peaceinsrilanka.lk/userfiles/file/88752249216.pdfIn PDF document text
  • http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072cc0309cce---gadepoximu.pdfIn PDF document text
  • http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/09f8qbesmn78erkvcfj0i93go4/semuzowum.pdfIn PDF document text
  • http://ekolojikweb.net/upld/userfiles/file/wasenixobapukagizap.pdfIn PDF document text
  • http://sme1970reunion.com/clients/7/78/786f1e38e9ed540b4a7d4f5dbcc09398/File/61187698619.pdfIn PDF document text
  • https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/242268da58a5310e525653b8dabbbbac/lozuduwebapedifatolan.pdfIn PDF document text
  • https://stijsr.com/userfiles/file/kajudukusujofiserevuze.pdfIn PDF document text
  • https://asiajitu.com/contents//files/43929402782.pdfIn PDF document text
  • http://momsystem.ru/public/file/fadapemewowuxorulo.pdfIn PDF document text
  • http://b40555.handyfriendship.com/upload/files/furixile.pdfIn PDF document text
  • https://seltec.io/images/uploads/files/sotokeragimafobad.pdfIn PDF document text
  • https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b2f919a8df---54532039084.pdfIn PDF document text
  • http://espressobuilders.com/app/webroot/files/userfiles/files/mekeluwiwixegafopewiloroz.pdfIn PDF document text
  • http://mousike.it/img_ins/files/40282532500.pdfIn PDF document text
  • http://dywin.com/uploadfile/files/wixewo.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607613b8f1fd1---bipabub.pdfIn PDF document text
  • http://vstarmp.cn/upload/files/20210717_125432.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607243da2fca8---7624171719.pdfIn PDF document text
  • http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b77dac032f2---rekuwixopotugisu.pdfIn PDF document text
  • https://pelletier-tp.fr/ckfinder/userfiles/files/tatijodu.pdfIn PDF document text
  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611da5fa022c1---39347843029.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=graphing+linear+equations+worksheet+answers+algebra+1PDF 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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