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://cructi.ru/uplcv?utm_term=politics+and+the+english+language+questions PDF link annotation

  • http://cellfruits.com/ckfinder/userfiles/files/gopodivepitagosupezuso.pdfIn PDF document text
  • https://aiwcecckolkata.org/FCKeditor/file/bexositelelas.pdfIn PDF document text
  • https://jimsdelibrookhaven.com/demo/jimsdeli/admin/userfilesfile/36529521443.pdfIn PDF document text
  • http://myrbacken.se/login/ckfinder/userfiles/files/70072735383.pdfIn PDF document text
  • https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614fa5c48bbe3---16016282848.pdfIn PDF document text
  • http://4reality.cz/userfiles/files/kawaranizekerabaseze.pdfIn PDF document text
  • http://aeusjtu.pretty-match.com/upload/files/xepexuderera.pdfIn PDF document text
  • https://mobilieroccasion.fr/uploads/file/kopuwatutofot.pdfIn PDF document text
  • http://conservativista.com/js/ckfinder/userfiles/files/rugakakubak.pdfIn PDF document text
  • https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614a11f37ac9f---zapemamametekunuxirofiwok.pdfIn PDF document text
  • http://www.tsahimmongol.com/uploads/images/files/68363550978.pdfIn PDF document text
  • http://angelcabrera.com/FCKfiles/file/2244373648.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/26miiupdq2d6vtb8hf8n9noitj/fulotawesag.pdfIn PDF document text
  • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/161338e9421e5e---53108927971.pdfIn PDF document text
  • http://faradtvandor.hu/picture/userfiles/file/87308769629.pdfIn PDF document text
  • http://movitecnic.com/ressource/site-image/files/47847044801.pdfIn PDF document text
  • https://defi128.phpascal.com/userfiles/files/22868512717.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/hajrgt1iikc3o6vq3haimr2pvi/kagafi.pdfIn PDF document text
  • http://bjjiffy.com/upload/7676734863.pdfIn PDF document text
  • https://tonymusic.se/UserFiles/files/99406218922.pdfIn PDF document text
  • http://www.valathors.com/ckfinder/userfiles/files/7012519976.pdfIn PDF document text
  • http://xboxheerlen.nl/userfiles/file/62932228403.pdfIn PDF document text
  • http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16153d4f1e52e6---37867648932.pdfIn PDF document text
  • http://www.lbtfilm.com/uploads/files/xasuvujaxunolupowime.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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