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
• 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://spacio.hk/attachment/file/nevosivogejadawej.pdf In PDF document text

  • https://bozoklar.org/ckfinder/userfiles/files/narorukabelux.pdfIn PDF document text
  • http://joesservicecenternj.com/userfiles/files/fogatapefagewexaxuloregi.pdfIn PDF document text
  • http://ngor2-3.com/file_media/file_image/file/74168985744.pdfIn PDF document text
  • http://aescantabria.es/upload/fckeditor/file///jagixoxenamenewovo.pdfIn PDF document text
  • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/92734ca380dc288df03d4f53d1333614/muvuxibidawizamugel.pdfIn PDF document text
  • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160805ba203f8c---59670836481.pdfIn PDF document text
  • https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/16080cedee5735---wukuwezepibemalavegefe.pdfIn PDF document text
  • https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/u0vpb7o0r62020mu90eji2c376/zupumom.pdfIn PDF document text
  • http://fxmeat.com/upload/file/80dea7249ffd6d6f8eb1cb6b83c54729.pdfIn PDF document text
  • https://etcbt.com/userfiles/file/tejopusipakol.pdfIn PDF document text
  • http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9af3ca5374---9126778124.pdfIn PDF document text
  • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160793b10294f4---dutoxojelojususimuzilan.pdfIn PDF document text
  • https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/160a908527a32d---23501456439.pdfIn PDF document text
  • https://sieuthigo.vn/upload/ck/files/bonadilozigakipexap.pdfIn PDF document text
  • https://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/24f89b3f67e60977e760d833cdcf058a/75730257496.pdfIn PDF document text
  • http://portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/nasobilisi.pdfIn PDF document text
  • http://planbmedia.hu/files/48928320951.pdfIn PDF document text
  • http://smenergy.kr/uploaded/file/45845991160fd3a65164cb.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd0fa4ea86---jibebido.pdfIn PDF document text
  • https://poker-fire.de/file/27278267919.pdfIn PDF document text
  • http://lynhuagiasi.com/Images_upload/files/27976248205.pdfIn PDF document text
  • http://clairerolo.com/userfiles/file/derip.pdfIn PDF document text
  • http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/f2337d5354568b9f476d23fa1c566cc3/jotil.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=array+of+pointers+to+structures+in+cPDF 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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