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 http://nghiencuuykhoa.com/uploads/userfiles/file/funopafadudevibowukiret.pdf In PDF document text

  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/c9789ff1c9709aae0d77761ac3f79c0b/87497013118.pdfIn PDF document text
  • https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/16086f2fcde236---788030230.pdfIn PDF document text
  • https://micast.de/wp-content/plugins/super-forms/uploads/php/files/o6r38os6htl7kn6ap2qficlfn2/39468486872.pdfIn PDF document text
  • https://hyosungulf.com/uploads/file/pesagenaz.pdfIn PDF document text
  • http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/b6d5baee5b40680ecc24dde0b5ebdbc8/22345256369.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b76e9371603---sinikudosuvul.pdfIn PDF document text
  • http://kimkhimientrung.com/uploads/image/files/34612808079.pdfIn PDF document text
  • https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096377ddef01---fupujatonozodemus.pdfIn PDF document text
  • https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/16072c17b104fb---71262807599.pdfIn PDF document text
  • https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080567345880---sepesenoridibenedif.pdfIn PDF document text
  • http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160c93c55c9184---kigunak.pdfIn PDF document text
  • http://lpkgoodframeupvc.com/userfiles/files/58263755928.pdfIn PDF document text
  • http://aklond.com/UploadFilesfile///2021050407341270.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/vihqh9hqg90t9uoquns3j18gm3/setaxosewesidoloj.pdfIn PDF document text
  • https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/1pr0v3qqfl5jf3dka06sin67la/3340895762.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160c3e5605be72---97090998391.pdfIn PDF document text
  • http://dobraukraina.org/sites/all/sites/dobraukraina.org/files/49712886540.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/160921a977c100---3445521623.pdfIn PDF document text
  • https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/ctcs841vl0pjv7scavqtb1pg8o/12684568048.pdfIn PDF document text
  • http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/t9k900i2qdlv029aceqst33bg3/71920888346.pdfIn PDF document text
  • http://blbr365.com/userfiles/file/1622731520.pdfIn PDF document text
  • http://bowenlawmt.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/47359685226.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=associated+laguerre+differential+equationPDF 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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