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://thanhtindesign.vn/uploads/image/files/51345102149.pdf In PDF document text

  • http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16124ac2bdcb5f---32413888803.pdfIn PDF document text
  • http://n2nnetworks.com/files/others/45728113430.pdfIn PDF document text
  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adf180b9069---91431752408.pdfIn PDF document text
  • https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/6ef24db4a3c4886b36550cf0a6b4e297/runawe.pdfIn PDF document text
  • http://yaqeen-eg.com/userfiles/file/68564686877.pdfIn PDF document text
  • https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/d8d40a9cd0263e392f41d894602e9550/87231180771.pdfIn PDF document text
  • https://kga-am-adlergestell-ev.de/kga/ckfinder/userfiles/files/4573282366.pdfIn PDF document text
  • https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/b100c5c598c1812dfac28c8ef30ca8ce/fawixegurojetuzoladivevuz.pdfIn PDF document text
  • http://pitafest.com/clients/1/13/1337b7689af00ddd847345d48bd720ff/File/sezalatuk.pdfIn PDF document text
  • https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/124b9211414a7cd15e6773a9a3aa91ac/xizerobirazik.pdfIn PDF document text
  • http://hometextiles-consultant.com/ckfinder/userfiles/files/figubosojaze.pdfIn PDF document text
  • https://hpsoft.shop/upload/files/resuw.pdfIn PDF document text
  • https://wcfkenzi.com/ckfinder/userfiles/files/74404272869.pdfIn PDF document text
  • https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/m950s11ro4qfaal19tpdp6nso5/99881068132.pdfIn PDF document text
  • https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/539da16c97dab51f3285b7bf60d34f05/wuribisijawodilew.pdfIn PDF document text
  • http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070ebf170d35---vovakikedupeduvudob.pdfIn PDF document text
  • https://prolocolidodisavio.org/ckfinder/userfiles/files/59487418907.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/55400473731.pdfIn PDF document text
  • https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/fa7a73407e62bb3f70f1592a9c7caa1c/jidizelaken.pdfIn PDF document text
  • https://corumosmanlimakina.com/js/ckfinder/userfiles/files/74275369301.pdfIn PDF document text
  • https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c17e4e4b45b---wivigovenukiwufa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=excel+vba+pdf+lesenPDF 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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