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 https://infrive.ru/uplcv?utm_term=134a+admission+form+2018-19+pdf PDF link annotation

  • https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a15a13c28b2---15093491155.pdfIn PDF document text
  • http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/8014192c713e71ecf42e3d3460b4ff46/wujuzuzu.pdfIn PDF document text
  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adde3a073a2---25159823496.pdfIn PDF document text
  • https://vestol.bg/files/file/lezuw.pdfIn PDF document text
  • https://12shio2.com/contents//files/23295414744.pdfIn PDF document text
  • http://ciaooo.ru/uploades/userfiles/file/fimoninetiwadegimugu.pdfIn PDF document text
  • http://hncastlecable.com/d/files/24557369458.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/7e8bf48024f8d798f9a769c85cb2d950/94458368675.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/160aa5d3b807a9---83388100306.pdfIn PDF document text
  • https://alshamiltrading.com/alshamilfiles/file/73307916804.pdfIn PDF document text
  • http://kubkao-kubpla.com/userfiles/files/46136330482.pdfIn PDF document text
  • http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160715441381ff---pewabinidotezatolan.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acaaa1ddb60---684613188.pdfIn PDF document text
  • https://www.tzounakos-insurance.gr/ckfinder/userfiles/files/25660160763.pdfIn PDF document text
  • https://arichaindia.com/userfiles/file/94525146729.pdfIn PDF document text
  • http://tahi.hu/ckfinder/userfiles/files/zafuwuxinivugudex.pdfIn PDF document text
  • http://www.medic-pneumolog.ro/fisiere/file/461660075.pdfIn PDF document text
  • http://hb1004.com/userData/board/file/94218452865.pdfIn PDF document text
  • http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ccd7580d0e---91597788647.pdfIn PDF document text
  • http://nedirajtebosnu.net/userfiles/file/80008438376.pdfIn PDF document text
  • https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610fc377dc617---95090149728.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/c29066d143ded16218664283bb24f71f/pilopomuvagezupugi.pdfIn PDF document text
  • http://ibshop.gr/uploads/_uploads/files/29087561676.pdfIn PDF document text
  • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090a6dd89e40---40942268942.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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