Malicious PDF — malware analysis report

Heuristics 8

• 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.
• AcroForm button with action trigger low PDF_ACROFORM_BUTTON
  PDF contains a /Btn form field together with a SubmitForm/URI/Launch/JS trigger — this is the building block of fake 'Download' or 'Open' button overlays used in PDF phishing lures
• 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://goldfieldssanddrags.com.au/ckfinder/userfiles/files/53768299586.pdf In PDF document text

  • https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/l09p3aumnpqdehvrivvpof1j4d/97107527783.pdfIn PDF document text
  • https://austdoorcaocap.com/upload/files/daxilasel.pdfIn PDF document text
  • https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/160f4ad047f4cc---kivij.pdfIn PDF document text
  • http://www.idukkidiocese.org/files/js/ckfinder/userfiles/files/xesuxabaf.pdfIn PDF document text
  • http://app8itebarandgrill.com/admin/images/file/mixuvidasu.pdfIn PDF document text
  • http://autodilykanka.cz/cmsimple/images/file/76024309731.pdfIn PDF document text
  • https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/9c3ac674a25e4684ff6e80e89d82dceb/27935396191.pdfIn PDF document text
  • http://jimsclub.net/new/board/img_tinfo/file/20210816155116.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/nari0csg22tr7c4povbl464r25/lomekiji.pdfIn PDF document text
  • https://keiba-like.biz/js/ckfinder/userfiles/files/lesodubonu.pdfIn PDF document text
  • http://bydnjl.com/userfiles/files/wofawedufedekibukosode.pdfIn PDF document text
  • https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/k7fs3tcvtj51gja2ufk2q4mpvg/20730456955.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/c48qfe9mgi35b9dqe0j8nppfe6/11009138950.pdfIn PDF document text
  • https://zoorichi.com/temp/fckeditor/file/fapurosutenisuxazimar.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1cff1eb21---20222591984.pdfIn PDF document text
  • http://halmar.info/userfiles/file/dawupotalivobevimiropun.pdfIn PDF document text
  • http://sklepjola.pl/userfiles/file/38663948351.pdfIn PDF document text
  • http://autosklo.sk/pictures/file/4544058496.pdfIn PDF document text
  • http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609c5245d3041---3189235421.pdfIn PDF document text
  • http://www.cerathai.com/image/upload/File/vepusina.pdfIn PDF document text
  • http://sellmysayarah.com/userfiles/files/89198143264.pdfIn PDF document text
  • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160caab3882b32---megusumisidipixebom.pdfIn PDF document text
  • http://italianopizzeria-pg.com/uploads/files/58356674351.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=constant+mucus+in+the+back+of+my+throatPDF 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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