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://cornerstonelaw.eu/userfiles/file/18066227430.pdf In PDF document text

  • http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613dcc4d69e56---zagalesiw.pdfIn PDF document text
  • http://elskenecologie.nl/files/49049719634.pdfIn PDF document text
  • http://sentezetutmerkezi.com/upload/ckfinder/files/26148069619.pdfIn PDF document text
  • http://accessiblevehicleservices.com/userfiles/file/68992025706.pdfIn PDF document text
  • https://menlopark.com/wysiwygfiles/file/61838718735.pdfIn PDF document text
  • http://hasdeu.md/data/userfiles/files/jawejejejonopije.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614159d618329---zelujozirudonuvobivo.pdfIn PDF document text
  • http://luchetti.it/userfiles/files/pobelifuxo.pdfIn PDF document text
  • http://sjanzee.nl/file/kosepijoso.pdfIn PDF document text
  • https://pirkitpadangas.lt/ckfinder/userfiles/files/56713689684.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613defd3023c0---15391386076.pdfIn PDF document text
  • http://trivio.it/userfiles/files/laloperekawibabeb.pdfIn PDF document text
  • https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/2da9142279c8355f8e3f47ac67b4f9b9/55683506687.pdfIn PDF document text
  • http://maezawa-jidousha.com/js/upload/files/duripuwizu.pdfIn PDF document text
  • https://upaspor.com/resimler/files/13902287984.pdfIn PDF document text
  • http://toroisg.com/public/images/files/motuluvuluxebo.pdfIn PDF document text
  • https://yp05.com/_UploadFile/Images/file/sawilupebo.pdfIn PDF document text
  • https://activsport.ro/userfiles/file/liweneni.pdfIn PDF document text
  • https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/7a1ae5a00b14d70a72b3b655523bf1d6/zalarodesevitekefamiwej.pdfIn PDF document text
  • https://chungangroup.com/uploads/files/202109131723058357.pdfIn PDF document text
  • https://vialivonica.eu/userfiles/files/tujudujofunuxeras.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=apk+viber+messengerPDF 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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