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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://archism.ru/uplcv?utm_term=download+our+father+by+don+moen+mp3 PDF link annotation

  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/avhm9l75golv9n2co5q93on8bo/begas.pdfIn PDF document text
  • https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/vvckbq1it9fsmvu20dk316d7db/lemug.pdfIn PDF document text
  • http://iberryhomemade.com/userfiles/files/46398061891.pdfIn PDF document text
  • http://bkdesign.ee/userfiles/file/92211004136.pdfIn PDF document text
  • http://bearcatbb.com/CKEdit/upload/files/xufifuwuda.pdfIn PDF document text
  • http://businesslegalgroup.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zetotolaxalinun.pdfIn PDF document text
  • https://comobrew.com/newsite/images/user_uploads/file/50782150156.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160781a85b6663---mobamevuzanokujofivoz.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/16071049e92f17---51416083446.pdfIn PDF document text
  • http://kamkmori.cz/ckfinder/userfiles/files/23462406925.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/tfv30dqijnhas09kn3vcr8jm63/87759906818.pdfIn PDF document text
  • http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160988db6a41ae---95032926029.pdfIn PDF document text
  • http://1984wnhs.com/clients/2/25/250e0aaa51dad033202e6c34d8602b4d/File/gadojazewif.pdfIn PDF document text
  • http://color-gateway.com/userfiles/file/32354553067.pdfIn PDF document text
  • http://jfhcoaching.com/userfiles/files/67114639194.pdfIn PDF document text
  • http://nguoigiupviec99.com/webroot/img/files/7253813764.pdfIn PDF document text
  • https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/10066d87de57ec985a435b43584bc9ab/reduxiwekigawapitavonit.pdfIn PDF document text
  • https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/0bea4b3d7c3c026fd159fb77f6972b81/vugowuledubipefa.pdfIn PDF document text
  • http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/161116f282c007---35773722718.pdfIn PDF document text
  • http://kedehg.com/ckfinder/userfiles/files/76427527644.pdfIn PDF document text
  • https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/b9d2767b8c22c49a45f4cdb29a72e9e9/52100535069.pdfIn PDF document text
  • http://0930actress.com/files/files/17389318233.pdfIn PDF document text
  • http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/16112e6ee2770d---vibesedurabidivu.pdfIn PDF document text
  • http://ztkammer.at/uploads/file/18690126708.pdfIn PDF document text
  • https://pointvirgule.ca/upload/editor/file/62480717224.pdfIn PDF document text
  • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606caca1504ad---15930728166.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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