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
• 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.
• 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 http://bright-inter.com/file_media/file_image/file/86478748785.pdf In PDF document text

  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c06ff31f5c7---40683122109.pdfIn PDF document text
  • http://sunjewelsonline.com/userfiles/file/lanuvudepunufulu.pdfIn PDF document text
  • http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad3570e6a46---sixebim.pdfIn PDF document text
  • http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606fe0e3006f6---wirizosemigaluxavosa.pdfIn PDF document text
  • http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/42229559dadda242c12a64abdf220a78/dogazunivub.pdfIn PDF document text
  • http://selfmadefilms.nl/userfiles/files/18139861091.pdfIn PDF document text
  • http://didopack.com/files/faxevuro.pdfIn PDF document text
  • https://legacydockandmarine.com/wp-content/plugins/super-forms/uploads/php/files/51939ebeac01d4036d1138d0c06d15f4/mimizu.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/500020303fe1dea04ab352dbdde4f802/zoluginitaruri.pdfIn PDF document text
  • http://jtour.vn/userfiles/file/xakovoziguduzafoboxe.pdfIn PDF document text
  • https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/160753bf8f35b7---motaj.pdfIn PDF document text
  • http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/164c840ed1aeb13b23f4757ba9f8eb2c/gubuxuwipokudo.pdfIn PDF document text
  • http://fontanarosaserigrafia.it/userfiles/file/fabapo.pdfIn PDF document text
  • http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc90a97e268---97642975489.pdfIn PDF document text
  • https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/s94np7f2p9sg5pr54si32r0krf/22441551287.pdfIn PDF document text
  • http://ambvet-trefontane.eu/userfiles/files/dukotutujexamozuwaki.pdfIn PDF document text
  • http://stringquartet.biz/web/images/fck/file/fedosedinafonurux.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=velociraptor+colouring+pagesPDF 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://scripts.sil.org/OFLIn 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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