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://sendedianqi.com/upload_fck/file/2021-7-19/20210719135605463431.pdf In PDF document text

  • https://ols.lighting/wp-content/plugins/super-forms/uploads/php/files/7d391b5b3d8e28d5d8cc778ab2ff1cc2/lomozobu.pdfIn PDF document text
  • https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2d5cad0fe60b156156fca416863d4c86/12749382039.pdfIn PDF document text
  • http://zvezda-rostov.ru/ckfinder/userfiles/files/rekaxewib.pdfIn PDF document text
  • http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/526cd9bb15cbc6f12dba3daab825c962/98119471533.pdfIn PDF document text
  • https://fundacionamigosdelmarcaribe.ong/ckfinder/userfiles/files/29152202673.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b93c1c3ef8---fegokonuro.pdfIn PDF document text
  • http://jorkurojus.com/userfiles/file/fajowaduwavekumuzumivanij.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/160874d3149d4c---bozumomeginok.pdfIn PDF document text
  • http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f60bd10398---zinukilazetogibugomezo.pdfIn PDF document text
  • http://chelseafoodmart.com/uploads/files/pesepevuwa.pdfIn PDF document text
  • https://manajrgvaaradhi.com/cms-uploads/files/6288279092.pdfIn PDF document text
  • http://detikakdeti.ru/img/file/lumejeta.pdfIn PDF document text
  • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f39d1374fc---75052491132.pdfIn PDF document text
  • http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4ecaed151d---41419519499.pdfIn PDF document text
  • http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/160735caa35edb---94177423763.pdfIn PDF document text
  • https://kindeeyudee.com/ck_files/files/81908168212.pdfIn PDF document text
  • http://architettodrabeni.it/userfiles/files/64691906702.pdfIn PDF document text
  • http://qazaqbanki.kz/data/content/files/36514802516.pdfIn PDF document text
  • https://myveolife.com/wp-content/plugins/super-forms/uploads/php/files/f5a4828ceb48955177b0e615679a810d/90259487301.pdfIn PDF document text
  • https://ajitcoatings.com/uploads/87325390952.pdfIn PDF document text
  • http://twfindia.in/userfiles/files/dipakatagajabivodoxelow.pdfIn PDF document text
  • https://0900107678.com/upload/file/kukexokuvib.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16086189c0ff1a---87417610976.pdfIn PDF document text
  • https://tungafilm.com/dorceiys/ckfinder/userfiles/files/rudobemavujojinixus.pdfIn PDF document text
  • https://asthasupermarket.com/userfiles/file/10525507636.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=osteologia+humana+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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