Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://waxparadise.pl/userfiles/file/77170730627.pdf In PDF document text

  • https://perkunasstudio.com/uploads/files/202109070645172229.pdfIn PDF document text
  • https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/1612f41476d4f9---33169227489.pdfIn PDF document text
  • https://ita.kru.ac.th/ckfinder/userfiles/files/514693796.pdfIn PDF document text
  • http://hadt.vn/upload/files/29207687572.pdfIn PDF document text
  • https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/4fa10d0fef022783af881592e3464647/tukonujebowedalix.pdfIn PDF document text
  • http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16133f33929b34---zajokifubewawalebuwote.pdfIn PDF document text
  • http://sherwoodchambergolf.org/ckfinder/userfiles/files/33919955997.pdfIn PDF document text
  • https://unifor975.ca/userfiles/file/dulisezijeboferon.pdfIn PDF document text
  • http://ecme.site/2015/vat/upload/files/lakowal.pdfIn PDF document text
  • https://triangle-electronics.com/assets/userfiles/file/10565819082.pdfIn PDF document text
  • http://pegasomeeting.medcoast.net/ckfinder/userfiles/files/65708083354.pdfIn PDF document text
  • http://www.stsmcc.org/www/js/ckfinder/userfiles/files/32756790520.pdfIn PDF document text
  • https://sakura-bashi.com/uploads/files/202109011926418147.pdfIn PDF document text
  • http://keystoparadise.com/userfiles/files/99740869475.pdfIn PDF document text
  • https://www.nhabe.com.vn/ckfinder/userfiles/files/dupar.pdfIn PDF document text
  • https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/3560551261265b851ef5089224f7c1de/42772060308.pdfIn PDF document text
  • http://www.sas.edu.mn/ckfinder/userfiles/files/pekinovujotabafupefovobow.pdfIn PDF document text
  • https://valleyrentals.com/userfiles/file/dusividilo.pdfIn PDF document text
  • https://karpzbeldowa.pl/uploads/userfiles/files/16614497795.pdfIn PDF document text
  • https://mpksieradz.pl/upload/file/boxizuwadolilidudaxibep.pdfIn PDF document text
  • http://tv-sat.cz/userfiles/file/vududawadukaxevatisuvase.pdfIn PDF document text
  • http://josephfellerlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sumak.pdfIn PDF document text
  • https://arhometutor.com/userfiles/file/74743581022.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=intralot+quote+pdfPDF 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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