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 https://smidgel.ru/uplcv?utm_term=isharing+app+hack PDF link annotation

  • http://sushibelovo.ru/files/lexuwosuwopisepomot.pdfIn PDF document text
  • https://maintogelonline2.com/contents/files/11631912581.pdfIn PDF document text
  • http://markjfox.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/23254740380.pdfIn PDF document text
  • http://artdealer.vn/upload/fckimagesfile/01d482a281cf6ea43c817b38ece62baf.pdfIn PDF document text
  • http://kimbuunguyen.com/uploads/userfiles/file/3048399899.pdfIn PDF document text
  • https://www.hermanosvalerorecio.com/ckfinder/userfiles/files/95788115831.pdfIn PDF document text
  • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613c4889c7d10---32330523427.pdfIn PDF document text
  • http://htwy.com/upload/file/bajusadowonav.pdfIn PDF document text
  • http://lionsmarsala.it/userfiles/files/12439619184.pdfIn PDF document text
  • https://adrfarysz.pl/userfiles/file/nejuvobixuw.pdfIn PDF document text
  • https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd9d2b34a6---risopodovumufevujada.pdfIn PDF document text
  • https://mantyobras.com/userfiles/file/43661897896.pdfIn PDF document text
  • http://baocaosudanang24h.com/uploads/image/files/27965842508.pdfIn PDF document text
  • http://morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/161365c9a2c109---mibenag.pdfIn PDF document text
  • http://abwcolley.com/uploads/files/7263991665.pdfIn PDF document text
  • http://m-styleauto.com/js/upload/files/73477135110.pdfIn PDF document text
  • http://investbuild.ru/var/upload/file/dugeguj.pdfIn PDF document text
  • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/9b130073cdc25f13dffbebed72efd22a/xazixeveti.pdfIn PDF document text
  • http://stacjaregeneracja.pl/userfiles/file/71800826135.pdfIn PDF document text
  • https://bomberosdenavarra.com/userfiles_nexo/files/peniviligupefa.pdfIn PDF document text
  • http://website-design-company.in/dev3/damodar/ckfinder/core/connector/php/userfiles/files/rorirarutigamedokaj.pdfIn PDF document text
  • http://ghinelliarchitettura.it/userfiles/files/gezupavaboluvifud.pdfIn PDF document text
  • http://thevisionkharj.com/userfiles/files/bezidobozibaxed.pdfIn PDF document text
  • http://jorkurojus.com/userfiles/file/1739593860.pdfIn PDF document text
  • http://www.cpnatacao.pt/backoffice/ckfinder/userfiles/files/nebuluzaxafiv.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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