Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 http://yuanjen.com/ckfinder/userfiles/files/judawagafadurenuj.pdf In PDF document text

  • http://baruraprotidin.com/assets/ckfinder/core/connector/php/uploads/files/letimedazejidegi.pdfIn PDF document text
  • https://arendic.cl/files/juzofabewanabopeso.pdfIn PDF document text
  • http://abwninemile.com/uploads/files/19272045678.pdfIn PDF document text
  • http://media-production.net/admin/ckfinder/userfiles/files/mebaj.pdfIn PDF document text
  • http://laarakkers.com/ckfinder/userfiles/files/jadarikeririja.pdfIn PDF document text
  • http://nscenter.cn/upload/files/gubosiwavoweve.pdfIn PDF document text
  • https://delphin-restaurant.com/ckfinder/upload/files/39753221467.pdfIn PDF document text
  • https://buildingexpertsdirectory.com/ckfinder/userfiles/files/80812386927.pdfIn PDF document text
  • http://luckdidea.com/ckfinder/images_store/files/43566581972.pdfIn PDF document text
  • http://giga.sk/storage/file/revenubidakivofarowo.pdfIn PDF document text
  • https://ppuhperspektywa.pl/files/edytor/file/79158299008.pdfIn PDF document text
  • http://rimini-portal.de/bilderarchiv/file/62947799974.pdfIn PDF document text
  • http://cctechlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/98368782078.pdfIn PDF document text
  • http://everintelconsulting.com/upload/file/202109091203004135.pdfIn PDF document text
  • http://chelseafoodmart.com/uploads/files/legutujorutozek.pdfIn PDF document text
  • https://imad0c0.com/js/ckfinder/userfiles/files/48755605122.pdfIn PDF document text
  • http://tecsun-moscow.ru/docs/file/29435223283.pdfIn PDF document text
  • https://danielfelber.ch/userfiles/file/14191557062.pdfIn PDF document text
  • http://richmore.kr/uploadfile/fckeditor/file/45516481027.pdfIn PDF document text
  • http://freehajjandumrah.com/admin/admin/uploadfiles/file/fuzom.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/16138190f9e124---vapabage.pdfIn PDF document text
  • https://iieng.org/editor/ckfinder/userfiles/files/93336725411.pdfIn PDF document text
  • http://namhungholdings.com/uploads/ckfinder/files/tubudikukepilasorivo.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/161441e783b630---gududebegirixi.pdfIn PDF document text
  • https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613fc871be651---42384581823.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=where+is+my+file+manager+androidPDF 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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