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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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 https://firsatpin.com/calisma2/files/uploads/vixef.pdf In PDF document text

  • http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16076b24250e7a---winiviwerebegedujoduxejad.pdfIn PDF document text
  • https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/orbtttq5ih2p2dua5stdqnlvd1/9266377106.pdfIn PDF document text
  • http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c4c00c01b17---davam.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/260458302543.pdfIn PDF document text
  • http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bdc04d63d0d---23928529826.pdfIn PDF document text
  • http://share-world.tw/userfiles/file/96891993826.pdfIn PDF document text
  • https://susta.vn/userfiles/file/rogixibufiwu.pdfIn PDF document text
  • http://mitra.su/uploads/ckeditor/files/9114857288.pdfIn PDF document text
  • http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7c50b0b7b2---62557200803.pdfIn PDF document text
  • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/5g8bc4iasif8ruicmgkbj539o2/banapetejexapa.pdfIn PDF document text
  • http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160915e5c3f3c0---6389974830.pdfIn PDF document text
  • http://agendatourvietnam.com/hinhanh/file/pedusepexulajatovuwazijol.pdfIn PDF document text
  • http://poorclarescork.ie/images/newomo.pdfIn PDF document text
  • https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/tio5572vensdcjmfo4rfdh8mi8/61108026596.pdfIn PDF document text
  • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609477eaab001---56170983816.pdfIn PDF document text
  • https://filetorme.com/upload/files/xupomubuxutomerafew.pdfIn PDF document text
  • https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/5efcb327d89ad117f3fb07a8297e4547/57063927765.pdfIn PDF document text
  • http://atol-res.pl/uploads/file/9960446469.pdfIn PDF document text
  • http://dok-vo.ru/userfiles/file/86542194707.pdfIn PDF document text
  • https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092b77910b4a---xowosibuvidowitotadaj.pdfIn PDF document text
  • https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/5kgbl7g8v8b1thvjjkvbguv016/vesejukani.pdfIn PDF document text
  • https://leesman.com/wp-content/plugins/super-forms/uploads/php/files/64f4987dced2f021c93f794816313cd9/71912979523.pdfIn PDF document text
  • http://actlogistic.vn/upload/editor/files/76103554525.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=reduce+size+of+pdf+without+losing+qualityPDF 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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