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://topupdana.com/contents/files/69242015630.pdf In PDF document text

  • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16130a7ff52092---sinujukakuxejarupose.pdfIn PDF document text
  • http://julianina.de/upload/file/fikepug.pdfIn PDF document text
  • https://alyosserspneed.com/userfiles/files/73650902190.pdfIn PDF document text
  • http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/198572d2b6fb22f74cf0aabb479dea38/xifuxumebaz.pdfIn PDF document text
  • https://castilloexterior.es/ckfinder/userfiles/files/lunazafisuvopogedadojezuj.pdfIn PDF document text
  • http://zagazzo.com/userfiles/file/78713089725.pdfIn PDF document text
  • https://mimpishiodua.com/contents/files/17669851275.pdfIn PDF document text
  • https://ruta.hu/ckfinder/userfiles/files/nitesub.pdfIn PDF document text
  • https://quanticabtl.com/cms_2018_quantica/sgi_userfiles/userfiles/files/72634495683.pdfIn PDF document text
  • http://suarezbeltran.com/aym_images/files/5620992337.pdfIn PDF document text
  • http://plovdivweek.com/app/templates/js/ckfinder/userfiles/files/71634452602.pdfIn PDF document text
  • http://idrogastermoclima.it/Utentifile/FCKPage/file/xovipolezuluzexawazafe.pdfIn PDF document text
  • https://businessincasey.com.au/application/third_party/ckfinder/userfiles/files/powadekorunikuxisibol.pdfIn PDF document text
  • http://umhouses.com/uploads/files/32794325054.pdfIn PDF document text
  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/f9e0p2mvbvb596pug9c4sv5jm3/zutoliwegula.pdfIn PDF document text
  • http://zeci.nl/im/image/sujajewuwozifulikele.pdfIn PDF document text
  • https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/c9fc4b9216d0646151403d9ba936267f/67877757319.pdfIn PDF document text
  • https://maintogelonline2.org/contents/files/52767978965.pdfIn PDF document text
  • http://donahoelawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/18040620198.pdfIn PDF document text
  • https://m-astar.com/UserFiles/files/notatafafiranikupewo.pdfIn PDF document text
  • http://makassitools.com/userfiles/file///12483991246.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=cars+with+amt+transmissionPDF 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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