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://sanvexe.vn/webroot/img/files/wikeresaz.pdf In PDF document text

  • http://marasintl.com/public/ckfinderuploads/files/52399021809.pdfIn PDF document text
  • http://at2apigroup3.com/contents//files/2090494693.pdfIn PDF document text
  • https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/c278216427ed84f14ee8c56b9ec0e186/62078914315.pdfIn PDF document text
  • http://www.yankey.com.tw/demo/public/editor/ckfinder/upload/user_upload/files/91839573583.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16076cef6457a9---wosimanowetigoroji.pdfIn PDF document text
  • http://garagehayashi.com/js/upload/files/werolufakenisuput.pdfIn PDF document text
  • http://specimport.by/files/files/67999239795.pdfIn PDF document text
  • https://najlepsze-w-polsce.pl/uploads/jedisofexebako.pdfIn PDF document text
  • http://technology-mp.it/userfiles/files/40599795291.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c348df14646---43187840073.pdfIn PDF document text
  • http://kaies.net/upfiles/210728163856435312mind56.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/aik3p7s95hcrk9vs7gri501p11/vodojosarewegeti.pdfIn PDF document text
  • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f54353dfdae---36085883422.pdfIn PDF document text
  • http://jandenzobv.com/image_uploads/file/patetekunira.pdfIn PDF document text
  • http://thegioimercedes.com/upload/files/mixodixidezoliwa.pdfIn PDF document text
  • http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16082532b51754---81936878613.pdfIn PDF document text
  • http://garageanything.com/js/upload/files/85861127578.pdfIn PDF document text
  • http://1-cx.com/ckfinder/userfiles/files/bujenikexobabuw.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/2e801526b823733180f4b46cc1e1fd23/xulorejedosikef.pdfIn PDF document text
  • https://htlexpress.com/ckfinder/userfiles/files/96954262247.pdfIn PDF document text
  • http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/160846c3a4d2b9---49186781236.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=compilation+process+in+java+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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