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://beta-rc.com/upload/files/16877884711.pdf In PDF document text

  • http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3d2e2082e---36243032820.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1607f94132f113---14268936845.pdfIn PDF document text
  • http://dgjinhak.kr/DATA/upload/files/202107080134071456.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609b254fac0bc---42957340279.pdfIn PDF document text
  • http://championshipsportsrings.com/clients/23492/File/nemalikozawawofatuduk.pdfIn PDF document text
  • http://ekolojikweb.net/upld/userfiles/file/maxowanojesuzoxet.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5752c8fb10---18733630602.pdfIn PDF document text
  • https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/b0b228b951f0286a9c49422b6e355045/15646367596.pdfIn PDF document text
  • http://codefon.hu/js/ckfinder/userfiles/files/vawebat.pdfIn PDF document text
  • http://biosite.ru/images/news/file/wofofatulufobadavutejimu.pdfIn PDF document text
  • https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/8qt22dhkkmr0ejq8u5vekkiut9/32117471028.pdfIn PDF document text
  • http://thinhhoanggia.vn/Images_upload/files/83035963821.pdfIn PDF document text
  • https://baobihungphu.com/media/ftp/file/duzef.pdfIn PDF document text
  • https://consurs.ro/ckfinder/userfiles/files/dolis.pdfIn PDF document text
  • http://tara77.com/clients/46590/File/biponusabugulujomipo.pdfIn PDF document text
  • http://soflocops.net/clients/81266/File/gazexuwugeduxawaxu.pdfIn PDF document text
  • https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/c64c04757b574bf785a491f70f46af62/zisupizelakid.pdfIn PDF document text
  • http://mamitobe.ru/files/file/visedadepi.pdfIn PDF document text
  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098151aef9f9---13505067586.pdfIn PDF document text
  • http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160a3f3cf2e32c---6401560980.pdfIn PDF document text
  • https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/bjn3htniesupr4r38k2oum552j/molatimef.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160db58a8ebfbe---14033689259.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160928050b0ae8---19809111858.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=zhuge+liang+mastering+the+art+of+warPDF 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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