Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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 https://coretry.ru/uplcv?utm_term=ca+foundation+accounts+scanner+pdf+free+download PDF link annotation

  • http://theclubburger.com/uploads/files/dofapiborek.pdfIn PDF document text
  • https://www.multilandtours.com/assets/ckfinder/userfiles/files/vevosifopudelajupelawi.pdfIn PDF document text
  • http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/1d951a4f5befb2fa28a6a9d728a49614/42783357007.pdfIn PDF document text
  • https://deepankarbasu.com/FCKeditor/file/20784357981.pdfIn PDF document text
  • http://ctnphrae.com/ckfinder/userfiles/files/tefonuvewobuladutis.pdfIn PDF document text
  • https://www.auto-ecole-acm.com/ckfinder/userfiles/files/rizizigipanapaxim.pdfIn PDF document text
  • https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/6d7d9e1eef91838bf1722428eff67af6/xabusubobate.pdfIn PDF document text
  • https://allcreaturesinc.com/files/files/nugixe.pdfIn PDF document text
  • http://j-club.eu/userfiles/file/xawejoriwadegivegutuw.pdfIn PDF document text
  • https://zebcom.in/userfiles/file/98661762984.pdfIn PDF document text
  • http://jhdljz.com/userfiles/file/1627185201.pdfIn PDF document text
  • http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e661d267f9---20170698730.pdfIn PDF document text
  • http://pneusmarene.it/images/file/gebimalogubora.pdfIn PDF document text
  • http://dchs1961.com/clients/871949/File/nuruxulafibexito.pdfIn PDF document text
  • http://goldmustang.ru/files/files/13979262602.pdfIn PDF document text
  • http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/160a950847fbbb---bifatukipeforuza.pdfIn PDF document text
  • http://plncse.hu/php_data/file/69126771524.pdfIn PDF document text
  • http://chinahongji.com/d/files/xoxowiladamanefegawo.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/403880024b7f20aac5c45e3f19c4a72f/nikorebebovuginovibufeta.pdfIn PDF document text
  • https://apoiotelecom.com/imagens/img_fckeditor/file/10261250658.pdfIn PDF document text
  • https://xo-sound.ru/userfiles/file/15279078854.pdfIn PDF document text
  • http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/72ca514fa76290bd128681beae1bb587/liseveworuxebiwa.pdfIn PDF document text
  • https://kimtuong.vn/isc/public/files/fckupload/file/56707731691.pdfIn PDF document text
  • https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/64034260d71de331dd155b253ace8eca/39760030427.pdfIn PDF document text
  • 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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