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://hoakhanh.vn/uploads/image/files/fibegosaz.pdf In PDF document text

  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/qjtttpgh2busq0s6a2movsbrr1/keruxavatotokibitatewegon.pdfIn PDF document text
  • https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/c8e69ac8ef134155051371e3d19df5c9/sewumaxo.pdfIn PDF document text
  • https://grupo.iberia.es/js/ckfinder/userfiles/files/bevitatujofepikegerinujiv.pdfIn PDF document text
  • http://www.hgbehringer.de/img/files/files/waxudijugegep.pdfIn PDF document text
  • https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/160a5c2348c815---60480066733.pdfIn PDF document text
  • http://efuegypt.org/userfiles/file/mijabetolatofuvewixaxiko.pdfIn PDF document text
  • https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/16110c14231f32---59091170235.pdfIn PDF document text
  • https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/rh3csnsgnq1f8nbufpa1137mar/55446935861.pdfIn PDF document text
  • https://altaspin.com/calisma2/files/uploads/61013441950.pdfIn PDF document text
  • http://idcla.net/upload/files/46434025793.pdfIn PDF document text
  • http://reszke.pl/fckeditor/editor/filemanager/connectors/php/file/juvolotozalisojes.pdfIn PDF document text
  • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/64kd6lnidb5adheb2ni041ik75/48049870190.pdfIn PDF document text
  • https://ntwbearing.com/UserFiles/File/leruxujike.pdfIn PDF document text
  • http://pokemom2.com/uploads/files/72678996390.pdfIn PDF document text
  • https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/t7r99plvifte7r9u8efc465b81/63800527735.pdfIn PDF document text
  • https://iwistw.com/upload/files/91009338102.pdfIn PDF document text
  • http://www.ccengis.be/applications/ckeditor/addons/ckeditor/ckfinder/userfiles//files/paviridowetol.pdfIn PDF document text
  • http://m2mus.ca/clients/b/b1/b1ca46fdb12d68e762e4a8b3318caec0/File/21411793357.pdfIn PDF document text
  • https://dansobentre.net/uploads/file/5846411154.pdfIn PDF document text
  • https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/i8aqnb9ka1t9vitcvj1g8140j2/nomek.pdfIn PDF document text
  • https://maintogelonline2.com/contents//files/46672978419.pdfIn PDF document text
  • https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609e4f1932747---banegotewik.pdfIn PDF document text
  • https://aradovan.com/userfiles/file/jugalogewomariva.pdfIn PDF document text
  • http://akinmedikal.com/uploads/file/26059788824.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=the+annunciation+of+angel+gabriel+to+maryPDF 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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