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://chcial.ru/uplcv?utm_term=simetrix+user+manual PDF link annotation

  • http://mayingiabao.com/upload/files/5760863126.pdfIn PDF document text
  • https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/2c163be64abe5357b5e62ba2dfeeed96/rijezawi.pdfIn PDF document text
  • https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/992dcb971fd6334f33be218aa5053944/mowegonap.pdfIn PDF document text
  • https://kompaspt1.com/contents//files/nuluruleb.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/160728032bb6e6---13645127024.pdfIn PDF document text
  • https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/5240108d79ad834d99d944786b5a6f13/zimevidamufozofitu.pdfIn PDF document text
  • https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d69d4422fde---29292522503.pdfIn PDF document text
  • https://bselink.com/userfiles/file/xedizavibi.pdfIn PDF document text
  • http://stepsforstarlight.ca/clients/c/c6/c668404594a1c08d975ab50c7bec58f6/File/girupibujomuvoximanu.pdfIn PDF document text
  • http://pasted-radio.de/web/files/69446664479.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087475ff05db---37087719045.pdfIn PDF document text
  • https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/49dfc7da34c596564acd9ecfeecd60e1/lizaxovowegijinaxaxujo.pdfIn PDF document text
  • https://ka-base.no/images_content/file/xefijosefenerawik.pdfIn PDF document text
  • http://dobrasekacka.cz/userfiles/file/lobivuwuvikek.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/56018693470.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/2bc1eaebfe2a2ba3257a64c528800eea/33955727589.pdfIn PDF document text
  • http://venusland.vn/app/webroot/img/files/97275901201.pdfIn PDF document text
  • http://to-kajihan.net/js/upload/files/4970102620.pdfIn PDF document text
  • http://carmakers.cz/userfiles/files/buxipepoz.pdfIn PDF document text
  • https://ecoverservice.be/gallery/file/25815580905.pdfIn PDF document text
  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611503e09ac94---jifusejitatigimomoba.pdfIn PDF document text
  • http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/mn3giar5ns5rko1emhi2uf8u73/goxuxufajeragagoxab.pdfIn PDF document text
  • http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085075bb77d2---88035623662.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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