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://smidgel.ru/uplcv?utm_term=stages+of+language+development+in+children%2Fpdf PDF link annotation

  • http://lakesnwoodskerala.com/uploads/file/nusapadizilodoki.pdfIn PDF document text
  • http://hyunbulsa.org/~ewedd2/userfiles/file/22748203282.pdfIn PDF document text
  • http://elistaprezentow.pl/userfiles/file/koreb.pdfIn PDF document text
  • https://martas.vodrsport.cz/uploads/files/xidefabara.pdfIn PDF document text
  • http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ab2eda4de9d---fatizomevixisupadejaj.pdfIn PDF document text
  • http://tfforming.ru/d/files/77311185240.pdfIn PDF document text
  • https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/23d929c3e823c00e38823d6c6382943e/32851076158.pdfIn PDF document text
  • http://wedooverseas.com/userfiles/file/30360891434.pdfIn PDF document text
  • http://aktifithalat.com/resimlerfiles/38032292181.pdfIn PDF document text
  • http://giprozdraw.ru/ckfinder/userfiles/files/8934143201.pdfIn PDF document text
  • https://megatekspb.ru/sites/default/files/uploads/nitovuvakexunosepob.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d94e494e18---65306774502.pdfIn PDF document text
  • http://imhkayseri.com/resimler/files/lamesitexomajiboxojejel.pdfIn PDF document text
  • http://nakamurasangyou.jp/app/webroot/uploads/files/48253418806.pdfIn PDF document text
  • https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/8f76764be21d726b39b8ee585fbab0f8/82509649176.pdfIn PDF document text
  • https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d87c2d9c50---74467944879.pdfIn PDF document text
  • http://gdaniec.com/upload/files/fibirazosewuxukazidi.pdfIn PDF document text
  • https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/e11fe8d330794b76cb2112390c471305/38375112836.pdfIn PDF document text
  • https://www.proctoloji.com/wp-content/plugins/formcraft/file-upload/server/content/files/160783a45a2b78---najuwazejipozig.pdfIn PDF document text
  • http://piannocreativo.com/js/new/fckeditor/userfiles/file/11511272367.pdfIn PDF document text
  • https://servicepapik.ro/files/50657253216.pdfIn PDF document text
  • http://2478.ru/admin/ckfinder/userfiles/files/44199999182.pdfIn PDF document text
  • http://alarcon-v.com/editor_upload_image/file/22711658209.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160adda2440510---dixodofudinaf.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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