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.
• 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://infrive.ru/uplcv?utm_term=comment+liker+instagram PDF link annotation

  • https://mygoaltv.org/ipp/images/uploads/files/15845533708.pdfIn PDF document text
  • http://cachnhietwin.com/luutru/files/luneluxuxukeke.pdfIn PDF document text
  • http://www.globalnautique.nl/upload/files/29967856710.pdfIn PDF document text
  • http://mientaytourist.com/uploads/files/93525955489.pdfIn PDF document text
  • https://profix.fr/ckfinder/userfiles/files/20235393538.pdfIn PDF document text
  • http://talk200.com/admin/admin/uploadfiles/file/57840645040.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139f4d3e6248---momujo.pdfIn PDF document text
  • https://nulifeus.com/~nulife/userfiles/file/37376638309.pdfIn PDF document text
  • http://mutitar.com/user_img/files/kumugumuxafemunofoto.pdfIn PDF document text
  • http://otestmanager.org/club/data/userfiles/file/20210901180414.pdfIn PDF document text
  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131d03acb24c---18370148771.pdfIn PDF document text
  • http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/0nvecmebivoi67tjnfkikhm5o6/16868724365.pdfIn PDF document text
  • http://onlinetalk.jp/app/webroot/img/fckfiles/file/20161553844.pdfIn PDF document text
  • http://mothertheresapublicschool.com/userfiles/file/36479395021.pdfIn PDF document text
  • https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f73ca79d4a---98442037817.pdfIn PDF document text
  • http://ongxoanhdpe.vn/upload/files/fivumomuzefaximawuruzuned.pdfIn PDF document text
  • https://ski-valloire.com/ckfinder/userfiles/files/lusaden.pdfIn PDF document text
  • http://steakpluspizza.us/userfiles/file/rokojegixiz.pdfIn PDF document text
  • https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/f39s7nqe7tiqni12ijur1i2vt3/79144923787.pdfIn PDF document text
  • http://gizmakina.com/depo/sayfaresim/file/66650907442.pdfIn PDF document text
  • http://maiodi.com/userfiles/files/52005260333.pdfIn PDF document text
  • http://hokkaido-love87.com/app/webroot/js/ckfinder/userfiles/files/13421839237.pdfIn PDF document text
  • http://kes.org/upload/editor/files/fevodomasirofivur.pdfIn PDF document text
  • https://aqua2go.pl/galeria/file/daketozuxuwisafeduvek.pdfIn PDF document text
  • http://nanobubblevietnam.com/uploads/userfiles/file/74987817980.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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