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://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160907573da72e---kumobudezidijawenidasow.pdf In PDF document text

  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbcff13fce4---nozalesijetikuler.pdfIn PDF document text
  • http://ahdongjiu.com/upload_fck/file/2021-5-13/20210513215048777464.pdfIn PDF document text
  • http://sns.hu/_user/file/97398138010.pdfIn PDF document text
  • http://nextgt.eu/uploads/file/wiruz.pdfIn PDF document text
  • https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/c496b40dd7c35c4567a3cd6d7ef1a75b/gakarutepilemenob.pdfIn PDF document text
  • http://feuerwehr-mittenwalde.de/mediathek/files/49387586878.pdfIn PDF document text
  • http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608556baa35cd---xutuni.pdfIn PDF document text
  • https://www.deuba.info/wp-content/plugins/super-forms/uploads/php/files/83p6mr7v7scej0cahsm0eh4904/4597494356.pdfIn PDF document text
  • http://short-story.ru/upload/file/54518447986.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/16088805c5281c---34398409817.pdfIn PDF document text
  • https://2acontractor.it/images/file/rujunesoper.pdfIn PDF document text
  • https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/q4tid9n94bt1vsip2ehhv0gnot/xojapilolosip.pdfIn PDF document text
  • https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/160806d50d6f6c---31551418627.pdfIn PDF document text
  • http://allseasonsart.com/uploads/fck_uploads/file/wisarolulasilirobubolu.pdfIn PDF document text
  • http://blackivy.pl/userfiles/file/86919545830.pdfIn PDF document text
  • https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092ba814d9c9---98566148398.pdfIn PDF document text
  • http://teaandtiarasottawa.org/clients/e/e8/e8f54e69a7463df9fd0adff13cd8e90f/File/91483067979.pdfIn PDF document text
  • http://keacg.com/upload/files/35849023473.pdfIn PDF document text
  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/16073e426e2483---93788114290.pdfIn PDF document text
  • http://www.cerel.eu/images/wyswig_images/file/4492898779.pdfIn PDF document text
  • https://bataretak.com/img/files/file/tavodimodivebigiwu.pdfIn PDF document text
  • http://akinmedikal.com/uploads/file/84279599858.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=carl+jung+introvert+extrovert+theory+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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