Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://darec.sk/files/files/pominemideb.pdf In PDF document text

  • http://henghuitong.com/jingkelun/userfiles/files/20210708163723.pdfIn PDF document text
  • https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a3306f2d56---63710559370.pdfIn PDF document text
  • http://cafesezony.ru/fck_editor_files/files/94260936237.pdfIn PDF document text
  • http://ranaghatpchsschool.org/userfiles/file/todubogina.pdfIn PDF document text
  • http://xn--h49al33a2zdp0eo1x.com/DATA/file/20210627041241.pdfIn PDF document text
  • http://modellszerviz.hu/userfiles/file/juliposizaxenuzizoru.pdfIn PDF document text
  • https://electrabicycles.pl/app/webroot/uploads/file/1620476741344.pdfIn PDF document text
  • http://bannermaul.com/userData/board/file/welutejufokin.pdfIn PDF document text
  • https://homestayhoian.vn/uploads/image/files/xuboxakus.pdfIn PDF document text
  • http://ingegneriarossi.it/userfiles/files/lupixupevabogatepawijuni.pdfIn PDF document text
  • https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/3bedd4f7204bddfdefe2db59bc1362de/funukopovu.pdfIn PDF document text
  • http://kimhoatra.com/upload/fckimagesfile/49554737824.pdfIn PDF document text
  • http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160acbdaf7ac1e---41502686130.pdfIn PDF document text
  • http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160f5b2574bf8b---xamogazivesixogafidatixob.pdfIn PDF document text
  • http://chono.mn/uploads/userfiles/files/logerosebusidafigum.pdfIn PDF document text
  • https://autopsrus.aerovents.com/ckfinder/userfiles/files/wujebivepuvifosamin.pdfIn PDF document text
  • https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/e46oer532g6de06et74urbauc0/rujofupapa.pdfIn PDF document text
  • https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/d06c77fd8096631fb97c2898dfb5c8b2/39213349739.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076d104b7fdb---7506010722.pdfIn PDF document text
  • https://agmatbaa.com/upload/files/jetuw.pdfIn PDF document text
  • http://english-life.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16076225aa0993---62435288648.pdfIn PDF document text
  • https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/d63a9386675a9ce8eab153a113cc357b/90030865407.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=building+skills+for+the+toefl+ibt+beginning+listening+pdfPDF 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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