Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 https://ketchas.ru/uplcv?utm_term=danza+kuduro+song+download+mp4 PDF link annotation

  • http://dabaizhongxue.com/upload_fck/file/2021-5-12/20210512103306687353.pdfIn PDF document text
  • https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/6aad71c886b0dac7eaef0f8b26ec030e/86697991756.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609c3f04c76d4---78326860930.pdfIn PDF document text
  • http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160744962d2be4---23705927269.pdfIn PDF document text
  • http://architects-desk.com/uploadsfile/11086125439.pdfIn PDF document text
  • http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/2b5dc564fac9c6ccd3ae5ea1435707e0/85743339646.pdfIn PDF document text
  • https://dcoderesearch.com/uploads/tobevutubabebupixe.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/lm47q7pnsgfugm0kgqlc19b344/musifuvobodulebu.pdfIn PDF document text
  • https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/29a34f2d043ef4d33dd3011a70ec510d/xarufasekosusedogiguguviv.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0dd3392e42---62442032058.pdfIn PDF document text
  • https://ahha.az/userfiles/file/68660246915.pdfIn PDF document text
  • http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/9c6c21fff84b0f95ef6583b64cfed975/seragomokupukijeluz.pdfIn PDF document text
  • https://manuscripthandler.com/userfiles/file/biremabofelawax.pdfIn PDF document text
  • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160807a498208f---kilexigunapusisiwe.pdfIn PDF document text
  • http://firanywiktoria.pl/uploads/editor/file/11602971800.pdfIn PDF document text
  • http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/02ddfccf64bff58b4c0d3dc8ee89b96a/16075304943.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In 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://scripts.sil.org/OFLIn 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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