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://inwebjor.ru/uplcv?utm_term=run+3+scratch PDF link annotation

  • http://ankurgroups.com/userfiles/file/wusip.pdfIn PDF document text
  • http://pm-property.pl/userfiles/file/43161065474.pdfIn PDF document text
  • http://mim2010.ru/userfiles/file/46334967064.pdfIn PDF document text
  • http://offerparts.com/upload/files/zonusokanadodaj.pdfIn PDF document text
  • http://goldenbaycruisesagent.com/userfiles/file/86253905714.pdfIn PDF document text
  • http://vp-dmsh.ru/admin/ckfinder/userfiles/files/nafedidonijonepiwomatit.pdfIn PDF document text
  • https://stratasphere.online/userfiles/file/21664143917.pdfIn PDF document text
  • http://bcslaw.hu/admin/fck_upload/file/watirunid.pdfIn PDF document text
  • http://greenbiotech.vn/uploads/userfiles/file/dobulukodetulexof.pdfIn PDF document text
  • https://vietnamairlinescorp.org/js/ckfinder/userfiles/files/doxipikoleresezevedupe.pdfIn PDF document text
  • http://drukarnia-warszawa.pl/pliki/file/90663049556.pdfIn PDF document text
  • https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/koqjrj31k5b0d9fhnmapa564l4/fiduraxurixepun.pdfIn PDF document text
  • https://stmarys-perthamboy.com/upload/File/zolujune.pdfIn PDF document text
  • http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/15b8f58fd46c99d8ad2fd89e65efb415/49411793109.pdfIn PDF document text
  • https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/6ed1b8421e58ecfa0b601996104f3cef/44149140749.pdfIn PDF document text
  • http://aaaexpressac.com/userfiles/file/penofas.pdfIn PDF document text
  • http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613e9d3617450---25119340287.pdfIn PDF document text
  • https://cmflower-kkc.com/ckfinder/userfiles/files/77837620635.pdfIn PDF document text
  • https://ip-kamera-rendszer.hu/ckfinder/userfiles/files/68313775127.pdfIn PDF document text
  • http://eko-inwest.eu/upload/file/54116628307.pdfIn PDF document text
  • https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/9f2b997ef4ac083345d6b374867b54f1/satewanixapanidiris.pdfIn PDF document text
  • https://artcorner-fiberglass.com/userfiles/files/75998394939.pdfIn PDF document text
  • https://europacreativaeuskadi.eu/files/galeria/files/motokukov.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cbe5f4d87c---34041070532.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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