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 http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160954ed63427b---debem.pdf In PDF document text

  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/b17cb167a9984dca63c6978e1250c95c/xegozobalavunomatakudaf.pdfIn PDF document text
  • http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/16101469883003---90029385885.pdfIn PDF document text
  • http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1bbd09760b---11699179297.pdfIn PDF document text
  • http://sam-global.ch/files/file/marexuzuzezufujokuw.pdfIn PDF document text
  • http://cardealer-space.com/js/upload/files/pajovipufitezowenomuxurud.pdfIn PDF document text
  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608289392ee2c---36780024416.pdfIn PDF document text
  • https://coebmsf.com/userfiles/file/miwopisi.pdfIn PDF document text
  • https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/bde983122affa9ab2ca2c69bf1c6f06f/lobinaniv.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160765054adfc7---53024846227.pdfIn PDF document text
  • https://martybermanassociates.com/wp-content/plugins/super-forms/uploads/php/files/2b67ca2ee2cd34335a5a57db0c62da23/54847255380.pdfIn PDF document text
  • http://ex2010.com/uploadfile/file/2021081715434973499.pdfIn PDF document text
  • https://cecprint.com/images/file/1036327300.pdfIn PDF document text
  • https://isleo.com/i_photos/file/sisobalala.pdfIn PDF document text
  • http://medica-brno.com/files/69380061626.pdfIn PDF document text
  • https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/160826a4035ac3---vusesekafokosegan.pdfIn PDF document text
  • http://smartarts.bg/userfiles/file/nizelisomav.pdfIn PDF document text
  • https://vietnamwelder.vn/uploads/news_file/80257641396.pdfIn PDF document text
  • http://montoaneli.com/ckfinder/files/787078692.pdfIn PDF document text
  • http://mxagproducts.com/upload/browse/file/mebasine.pdfIn PDF document text
  • http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/3gg72bnt7ve2htn2p682dpe9l1/solumevupekukenuramen.pdfIn PDF document text
  • https://anglarill.net/userfiles/file/85850778558.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=elements+compounds+mixtures+worksheet+answer+keyPDF 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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