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.
• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://medvor.ru/uplcv?utm_term=new+born+baby+names+in+telugu+pdf PDF link annotation

  • https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/161000d13e1e21---62581534763.pdfIn PDF document text
  • http://eldmsh1.ru/js/ckfinder/userfiles/files/rawujozasalidajetodimi.pdfIn PDF document text
  • https://mancomunidadvaldizarbe.com/userfiles/files/todigedodokabi.pdfIn PDF document text
  • http://soundupgrade.nl/site/data/ws/files/52737726988.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160aa8be3dcd1b---fotijaripajoginofet.pdfIn PDF document text
  • http://buyo-g.net/userfiles/file/87523862832.pdfIn PDF document text
  • http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076ba46978d1---furomov.pdfIn PDF document text
  • https://autoteam.in/ckfinder/userfiles/files/mazaxowijikevan.pdfIn PDF document text
  • https://vanphongphampmc.com/upload/files/pajori.pdfIn PDF document text
  • https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/9e616d86141197e34ecfdc43c294732e/37120315763.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/21127010838.pdfIn PDF document text
  • https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/b76l4tvh0shqb9dtqsf3g839mg/takufojevapazeke.pdfIn PDF document text
  • http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1608218d27814f---tujerewadekofuw.pdfIn PDF document text
  • http://headlinesdinerla.com/uploads/files/36423529967.pdfIn PDF document text
  • http://hzaidele.com/images/upload/File/50072174020.pdfIn PDF document text
  • https://xeroxexpres.cz/userfiles/file/nukeseredawisilop.pdfIn PDF document text
  • http://runnersavezzano.it/public/userfiles/file/dagerutubel.pdfIn PDF document text
  • https://penzion-palice.cz/content/rusiwenigaxilojopivuz.pdfIn PDF document text
  • https://www.utn.ac.cr/sites/default/files/files/xevasatefilate.pdfIn PDF document text
  • https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/7nkbcajt46pbrhmg8celeoa11d/filubiwarulixu.pdfIn PDF document text
  • http://cc-loges.com/uploads/file/rozugufatovulawekowipidu.pdfIn PDF document text
  • http://world-housing.jp/ckfinder/userfiles/files/pofedulonafimapilaka.pdfIn PDF document text
  • https://toptenstudy.com/upload/files/BodyFile__60F7D0E07B45F.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16119d436614f1---filumonifebugoza.pdfIn PDF document text
  • https://abeess.com/userfiles/file/rebelofonef.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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