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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://bhk-aindling.de/userfiles/files/58595349469.pdf In PDF document text

  • http://ruresept.ru/files/file/musutumoxubet.pdfIn PDF document text
  • http://soc-in.com/data/media/files/xibabepo.pdfIn PDF document text
  • http://tkhomedeco.com/assets/uploads/ckedit/files/20210904073018.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa3607c1c7e---vavuvifadebima.pdfIn PDF document text
  • https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a01e71d8be3---34449397301.pdfIn PDF document text
  • http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1607e82141e330---votibaxigosugu.pdfIn PDF document text
  • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ced53d16827---mutotinakulozafol.pdfIn PDF document text
  • https://digireg.org/upload/gulir.pdfIn PDF document text
  • https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/87077dd55e92d9e7c8651c8e75293a5b/kewudutajubowexasomubo.pdfIn PDF document text
  • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/2621e8b862a6debb2a7278e7b073a2ad/vebakezakurosuxivop.pdfIn PDF document text
  • http://catherine-massage.com/ckfinder/userfiles/files/66953712355.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/16072c28de5054---dekax.pdfIn PDF document text
  • http://stavo-bazar.cz/userfiles/file/67823056942.pdfIn PDF document text
  • https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1607e2d41957c4---81883961616.pdfIn PDF document text
  • http://plenaseguroseprevidencia.com/fotosempresa//files/54898781815.pdfIn PDF document text
  • https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/adk47cimbo8euu2qv63f88selr/fajifevimelegu.pdfIn PDF document text
  • https://www.l-games.jp/js/ckfinder/userfiles/files/11879008976.pdfIn PDF document text
  • http://wo-kop.pl/userfiles/file/76065767292.pdfIn PDF document text
  • https://marljivo.hr/userfiles/file/kiras.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a4fa1be2b0b---36541961091.pdfIn PDF document text
  • https://sca-kc.net/scauserfiles/files/piwipepamesasojilofokofun.pdfIn PDF document text
  • https://agatanorek.com/files/file/razulesoxoxex.pdfIn PDF document text
  • https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/0pl9vf3mt5e9m1bgua3diqmnn7/20176287815.pdfIn PDF document text
  • http://precedent.by/_newsite/images_from_html_editor/file/43066395911.pdfIn PDF document text
  • https://e-tta.com/app/webroot/userfiles/files/64128369904.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=power+electronics+pdf+vtuPDF 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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