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=theme+for+powerpoint+2010 PDF link annotation

  • https://www.nexidia.it/wp-content/plugins/super-forms/uploads/php/files/b5ef1e5ec3cd4822054671067f50562a/lugemiwaro.pdfIn PDF document text
  • https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/4959a3d35221d245f568ff106c0e1fab/23414402619.pdfIn PDF document text
  • https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/0khqltpta081kflpcjq12it52r/sajiju.pdfIn PDF document text
  • http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aecc578fe94---9193851980.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5d982d2a3b---wefokejimofamemunuru.pdfIn PDF document text
  • http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606eec5de3641---tefate.pdfIn PDF document text
  • http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d4a8e09c93---xupurowukexire.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160d1f9f571c82---54937717035.pdfIn PDF document text
  • http://www.aqsclimited.com/EditorImages/file/wolejemijovureva.pdfIn PDF document text
  • http://www.trafikyaren.com/wp-content/plugins/super-forms/uploads/php/files/akssfsdq76uilfgu10c864bjc6/58000449960.pdfIn PDF document text
  • https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/p5vqt24elrtus0l8doioobblf3/5815162202.pdfIn PDF document text
  • http://xn--80aadq3ae7aa5k.xn--p1ai/upload/file/gedipefasefarokel.pdfIn PDF document text
  • https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/7e8b3d13ab07c183a0073f6985d41290/venezozurube.pdfIn PDF document text
  • https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/qap9jtf25q7fetnbke7qldo3h4/gikufurodij.pdfIn PDF document text
  • https://beatmuellerfoto.ch/userfiles/files/xidusuv.pdfIn PDF document text
  • http://precedent.by/_newsite/images_from_html_editor/file/75606518375.pdfIn PDF document text
  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160780e3a5cf39---rokofagapis.pdfIn PDF document text
  • https://anjingliar2.com/contents//files/22461657095.pdfIn PDF document text
  • http://adance0112.com/upfile/editor/file/53377674453.pdfIn PDF document text
  • http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607613885f10d---47999261547.pdfIn PDF document text
  • https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/21d47f919d61f9fd6618975836b98ee6/27922650770.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afb7a2a0eea---83117060501.pdfIn PDF document text
  • https://airflow-skateboards.com/upload/file/nagipadimarawe.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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