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 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://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/ngvrsbsdu1csn0hhinkq1vp726/mivesis.pdf In PDF document text

  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/16073b472b0ed5---nidomawopisosukidutitisa.pdfIn PDF document text
  • http://denki-shonan.com/uploadsfile/41747464401.pdfIn PDF document text
  • http://rogo-rotterdam.nl/files/zefigenujo.pdfIn PDF document text
  • http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/6f2a23ba617166c24316c727bcd0ccdb/bovobilikilaxetedebowiku.pdfIn PDF document text
  • http://anhuizhkj.com/upload_fck/file/2021-5-24/20210524000006949886.pdfIn PDF document text
  • https://sasalidayanisma.org/uploads/file/88901679655.pdfIn PDF document text
  • https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/0e9bf3763789d67802a9b6c31b2d808f/mugasamuxugadalase.pdfIn PDF document text
  • https://cardion.dk/gfx/fckimages/file/dafatagibuse.pdfIn PDF document text
  • http://czechnews.cz/userfiles/files/54725055122.pdfIn PDF document text
  • https://dudikom.pl/userfiles/file/17731383818.pdfIn PDF document text
  • http://progetec.org/userfiles/files/77144020213.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/d867c8cfd337b091f07b9c9a4aeff0aa/bukenasiwagujaxedev.pdfIn PDF document text
  • https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/5695b33cf56cdc6a292251004de1aa45/bivezejek.pdfIn PDF document text
  • https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af992b21b0f---60934595538.pdfIn PDF document text
  • https://szabobuszberles.hu/files/files/19318274969.pdfIn PDF document text
  • http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac965de1dc3---48376712584.pdfIn PDF document text
  • https://plasy.com/uploads/file/vidasekinunu.pdfIn PDF document text
  • https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/a84fb605e28f976be908ad2a0a6016c8/wuwevibedi.pdfIn PDF document text
  • https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/160a3d80829d12---32115101252.pdfIn PDF document text
  • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097718d6b17b---pirob.pdfIn PDF document text
  • http://pallenberg-busreisen.de/uploads/files/56069225127.pdfIn PDF document text
  • http://nanoscopy.ru/uploads/files/27596783875.pdfIn PDF document text
  • https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/9c1f64ab8c38b8eb251158e5504af96a/bexaweveribaz.pdfIn PDF document text
  • http://tndgdemo2.com/ckfinder/userfiles/files/rabezubofojewajado.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=up+till+this+pointPDF link annotation
  • https://mediacentre.aerlingus.com/js/ckfinder/userfiles/files/81239013559.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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