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 http://spearmanhsreunion.org/clients/e/e1/e1754705b4c076d7cd520c5e9e79ed07/File/74111238127.pdf In PDF document text

  • https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/c025fe5bdbfdfe53a2a98684df264e56/61680096980.pdfIn PDF document text
  • http://www.tobywells.org/media/fckdir/file/lulafoxa.pdfIn PDF document text
  • http://ozcetinler.com/userfiles/file/88201294853.pdfIn PDF document text
  • http://chrisnoblelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mebuvowubutevurakimas.pdfIn PDF document text
  • https://gradeagroup.com/wp-content/plugins/super-forms/uploads/php/files/9ueg2ri5f002v24o65p72kkd8h/31522800415.pdfIn PDF document text
  • http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160784bd586d83---50173633427.pdfIn PDF document text
  • http://abwsalisbury.com/uploads/files/48886950888.pdfIn PDF document text
  • http://mariekevanvlierden.nl/survey/userfiles/files/mikesevusedajuwuzaw.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/be7528bcab49a2e45fe1d54eba647e56/jukitureka.pdfIn PDF document text
  • http://portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/10078738657.pdfIn PDF document text
  • http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/pieh1pukjsgcppngjg4j8hdirl/20627443504.pdfIn PDF document text
  • http://solarwindependence.com/ckfinder/userfiles/files/32700601434.pdfIn PDF document text
  • https://centrobrands.com/wp-content/plugins/super-forms/uploads/php/files/7c6b4acd24bb6a8d4c79ba18e10cbb85/56152223707.pdfIn PDF document text
  • http://interwork.sk/userfiles/file/munazulikabofaj.pdfIn PDF document text
  • https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/0j6e4nnvselhv88e76f6vfi316/88362286430.pdfIn PDF document text
  • http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160af8129590ef---tutibapozukubelo.pdfIn PDF document text
  • http://ankaser.com/userfiles/file/xafal.pdfIn PDF document text
  • https://www.straightmyteeth.eu/wp-content/plugins/super-forms/uploads/php/files/fb621715ab202dc6dafd3218fa0c4a5f/85539160652.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088a42ef03ac---57877235959.pdfIn PDF document text
  • https://tannhatviet.vn/upload/files/47761766370.pdfIn PDF document text
  • https://heatingboiler.ca/fck_upload/file/35575016676.pdfIn PDF document text
  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160ceef93a5579---43435135303.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=quick+sort+in+daa+pdfPDF link annotation
  • 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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