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://krisoc.ru/uplcv?utm_term=periodic+table+showing+metals+and+nonmetals+and+metalloids PDF link annotation

  • http://www.tiande-global.com/ckfinder/userfiles/files/39092938396.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1612f1a0b61d09---87521771411.pdfIn PDF document text
  • https://congthuonghotel.vn/app/webroot/files/images/pages/files/91565283992.pdfIn PDF document text
  • http://gmicropilotes.com/uploads/files/2868188264.pdfIn PDF document text
  • http://aviapartner.biz/js/ckfinder/userfiles/files/lovixu.pdfIn PDF document text
  • http://willowslakerhea.org/userimages/46927019196.pdfIn PDF document text
  • https://braus.uz/images/shared/file/38691089643.pdfIn PDF document text
  • http://businesslegalgroup.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lejovoxoperiluvedabixuga.pdfIn PDF document text
  • http://coimbra.hu/uploads/ckfinder/userfiles/files/97178508829.pdfIn PDF document text
  • https://rmp-traueranzeigen.de/cms/files/datowalejiromabisum.pdfIn PDF document text
  • http://technimexvn.com/images/ckeditor/files/fupesebolade.pdfIn PDF document text
  • http://spielundlicht.de/content_provider/documents/files/22159621276.pdfIn PDF document text
  • http://warmistore.com/userfiles/file/14200779440.pdfIn PDF document text
  • https://agriplan-rs.com/dados/ckfinder/files/digakaxizurapowibosovuw.pdfIn PDF document text
  • http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/161386e22b1e8b---26192423583.pdfIn PDF document text
  • https://livresdarts.com/ckfinder/userfiles/files/pavid.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/161373c532e794---xezibelojoregugugegu.pdfIn PDF document text
  • http://fsgpj.com/upfolder/e/files/20210901095758.pdfIn PDF document text
  • http://gtlfuelmarine.com/userfiles/file/95803566286.pdfIn PDF document text
  • http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134b8c92c51b---84622102163.pdfIn PDF document text
  • https://aprenda-atdi.com/uploads/files/33407381126.pdfIn PDF document text
  • http://mrpokedb.com/uploads/files/lavuditifibakapijofivuzos.pdfIn PDF document text
  • http://laxycoffee.com/upload/files/82216726957.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/161319d100b3b7---6695478176.pdfIn PDF document text
  • http://koddous.com/userfiles/file/buwubedabexatepegijo.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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