Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://tekartltd.com/upload/files/vuxawatosapoxukasupedapa.pdf In PDF document text

  • https://bepxuyenviet.com/upload/files/31649266668.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/161379e8a74362.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613462be62415---60988438597.pdfIn PDF document text
  • http://kxqcgs.com/filespath/files/20210903052105.pdfIn PDF document text
  • https://silky.ae/images/bulk_images/files/naxuwa.pdfIn PDF document text
  • http://www.leasebridge.com/CKUPimg/files/kanakejinusakone.pdfIn PDF document text
  • https://alpinashop.rudy-ra.com/files/33697031462.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16142da2ab212f---50035638230.pdfIn PDF document text
  • http://trips-in.com/ckupload/files/97264651745.pdfIn PDF document text
  • http://gongotour.com/FileData/ckfinder/files/20210917_3C5AAC0979643678.pdfIn PDF document text
  • https://feltshoe.com/userfiles/file/45871599597.pdfIn PDF document text
  • https://sbmhavacilik.com/userfiles/file/mobisuji.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16141969a34e7c---81591058160.pdfIn PDF document text
  • http://schuetzenfest-hemeringen.de/ablage/userfiles/files/61907835923.pdfIn PDF document text
  • https://charterboatdeliverance.com/uploads/files/rutiwoxinuzobimome.pdfIn PDF document text
  • http://ambulatorioveterinarioilghirlandaio.it/userfiles/files/48688123478.pdfIn PDF document text
  • https://dpt-mh.com/uploads/news/files/52125702426.pdfIn PDF document text
  • http://elcampoeco.org/FCKeditor/file/29982311571.pdfIn PDF document text
  • https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/a0a2bbc5c7c9fa55058c006d7278eebb/bojixalibovokame.pdfIn PDF document text
  • https://charlesstreetvideo.com/userfiles/file/34577097299.pdfIn PDF document text
  • https://adamant54.ru/userfiles/files/34357224201.pdfIn PDF document text
  • http://baove24h.org/upload/files/68345044882.pdfIn PDF document text
  • http://redskap.ru/userfiles/file/8259182399.pdfIn PDF document text
  • https://radekslodkiewicz.pl/files/file/ligulobawururaril.pdfIn PDF document text
  • https://alhasooncorp.com/Files/files/55318811839.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=fundamentals+of+organic+chemistry+bsc+1st+yearPDF 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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