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://queure.ru/uplcv?utm_term=basics+of+java+programming+language+pdf PDF link annotation

  • https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/f23d5bf908ea01f969b9c7ea4ccaa923/95154525052.pdfIn PDF document text
  • https://indobaliart.com/sitefiles/file/62682787467.pdfIn PDF document text
  • https://mintowncoffee.net/uploads/images/files/77064824243.pdfIn PDF document text
  • http://abwmechanicsville.com/uploads/files/meparoropapiw.pdfIn PDF document text
  • https://sunrise-photon.com/upfiles/editor/files/sagaromosibitoramewe.pdfIn PDF document text
  • https://www.ideaklinikankara.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ee2f88e2a0---43295124355.pdfIn PDF document text
  • https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/2e34ec9b68e8921d6e334f2e9433b5a2/vuwajimitedaw.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9bf9f0343---35928968422.pdfIn PDF document text
  • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/172ddcc02b6a0d0eb979a3dd914b4a23/pebakisotosijuwax.pdfIn PDF document text
  • http://originalcheck.it/public/img_admin/file///gekiteribu.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f26ca2f0b72---32610650160.pdfIn PDF document text
  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbaf9e630f---gezelasojulubi.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1608327f048c1c---75622478481.pdfIn PDF document text
  • https://majubesar.net/contents//files/30340874449.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077842e3e8f1---82213014919.pdfIn PDF document text
  • https://kamarkosong.com/contents//files/rejazutidizutuluzare.pdfIn PDF document text
  • http://ziva-muzika.cz/files/file/zozef.pdfIn PDF document text
  • https://www.schroedersales.com/wp-content/plugins/super-forms/uploads/php/files/1397a9503854e1514588c2a5059c99c9/wotat.pdfIn PDF document text
  • https://win-win-keiba.site/js/ckfinder/userfiles/files/51303597860.pdfIn PDF document text
  • https://www.kindspring.org/inc/ckfinder/userfiles/files/27672405710.pdfIn PDF document text
  • http://rideco.hu/upload/file/zulifajogafadaxodokenuni.pdfIn PDF document text
  • https://bdblue.com/ckfinder/userfiles/files/42659672971.pdfIn PDF document text
  • https://seerupit.dk/assens/file/2514209969.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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