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://synerhu.ru/uplcv?utm_term=demencia+cuerpos+de+lewy+pdf+2017 PDF link annotation

  • https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dbe049bbaa---99573146121.pdfIn PDF document text
  • http://qunjl.com/userfiles/files/sigugovewefi.pdfIn PDF document text
  • https://ksmt.edu.np/assets/ckfinder/userfiles/files/2852074998.pdfIn PDF document text
  • https://asiahijau.com/contents//files/kifazuzuwipot.pdfIn PDF document text
  • https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/e4ttf51tfaogivr8ei7udio8co/55510024648.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609da39c979e9---26285222383.pdfIn PDF document text
  • https://dispecom.com/cms_dispecom/sgi_userfiles/userfiles/files/jupifaxojetofe.pdfIn PDF document text
  • https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3e0902bf5e---bagoxutesuki.pdfIn PDF document text
  • http://tunecharts.com/userfiles//file/solajimipixutefabusa.pdfIn PDF document text
  • http://tingchucontrol.com/Uploadfiles/files/91489147409.pdfIn PDF document text
  • http://kondicionery-fryazino.ru/upload_picture/file/neriba.pdfIn PDF document text
  • http://kenshopvn.com/uploads/files/95928150364.pdfIn PDF document text
  • http://nicolalazzarotto.com/userfiles/files/56302254533.pdfIn PDF document text
  • https://decoveinvestment.com/userfiles/file/43099648593.pdfIn PDF document text
  • http://fbchitchcock.org/clients/8/8b/8bdff38a390027835eb24981312b950c/File/borusizalekukuwuvi.pdfIn PDF document text
  • https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/1cb3a33d239973078bffd9d145a21f00/leguxen.pdfIn PDF document text
  • http://maduraicaterers.com/app/webroot/js/ckfinder/userfiles/files/96474907914.pdfIn PDF document text
  • https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/00ca8d3b226468a61992b89125fbdf0f/3490221350.pdfIn PDF document text
  • http://nextgenship.net/upload/file/20210716162639971248.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/160961eb1774ae---jivegodifa.pdfIn PDF document text
  • http://ehs1958.org/clients/73155/File/razobedomazukivalawax.pdfIn PDF document text
  • https://almuhja.net/ckfinder/userfiles/files/kogelapabowaki.pdfIn PDF document text
  • http://ibconsulting.it/userfiles/files/rozebizedufuk.pdfIn PDF document text
  • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160aaa58333377---864174726.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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