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://laborke.ru/uplcv?utm_term=bench+leg+pull+in+knee+up PDF link annotation

  • http://backkwang.com/userData/board/file/ravisonoxikimotar.pdfIn PDF document text
  • http://veivel.com/userfiles/file/58250961457.pdfIn PDF document text
  • http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c50a7a95642---45673318696.pdfIn PDF document text
  • https://kozhikodedeaf.org/admin/my_files/file/70842229841.pdfIn PDF document text
  • http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/98q8kopli054c00teims3no35p/wudebepazidekularasanisux.pdfIn PDF document text
  • http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160dd98561df34---83866565951.pdfIn PDF document text
  • http://architettoseneca.com/userfiles/files/8223961241.pdfIn PDF document text
  • https://rocksoliddesigns.biz/userfiles/file/92284764693.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608550433a523---11072305551.pdfIn PDF document text
  • https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/8v2fa3s99lj55df7uhh3m8hkqa/vizobepusukibebofemu.pdfIn PDF document text
  • https://standsimulator.com/ckfinder/userfiles/files/zuwegose.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160cadd0f26a57---koxojugid.pdfIn PDF document text
  • http://olimpic.hu/ckfinder/userfiles/files/97372713139.pdfIn PDF document text
  • https://kartplast.com/resimler/files/93852745935.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf94c79a94a---vezidezokowida.pdfIn PDF document text
  • http://tantos.jp/js/upload/files/lubanubifusedulesopukodo.pdfIn PDF document text
  • http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d55d1fd11e7---12039865773.pdfIn PDF document text
  • http://gold-carsales.com/js/upload/files/58274573481.pdfIn PDF document text
  • http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093a2c94e19b---lenoselijikavanomasuwawux.pdfIn PDF document text
  • http://tasteofruraleurope.eu/upload/File/55753678488.pdfIn PDF document text
  • https://tavcam.com/upload/ckfinder/files/56339456630.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160dbac9b6536a---30646749874.pdfIn PDF document text
  • http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160959a4c5dd9f---27872300164.pdfIn PDF document text
  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1606caaac37f66---65542024045.pdfIn PDF document text
  • http://kath-kiga-bw.de/bilder/berichte/file/58612775080.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16077c6090ac6e---xodemorekudubadode.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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