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://inwebjor.ru/uplcv?utm_term=health+sync+apk PDF link annotation

  • http://danies.ru/ckfinder/userfiles/files/96189723165.pdfIn PDF document text
  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/ab0bbf5d13df9747a8591feb89a6d52f/57384608539.pdfIn PDF document text
  • http://hanhthien.net/uploads/file/15305027648.pdfIn PDF document text
  • https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/41ca576ac4eedb21cd4e253408fd2a1b/gikukigudekeliguzilo.pdfIn PDF document text
  • https://almudenafernandez.co/ckfinder/userfiles/Files/xafagibeb.pdfIn PDF document text
  • http://azco.friend-match.com/upload/files/11098961386.pdfIn PDF document text
  • https://shevtsov-art.com/uploads/files/gadazakuw.pdfIn PDF document text
  • http://rrbrentacars.com/files/others/66923110231.pdfIn PDF document text
  • http://cetis156.neutronds.com/assets/js/ckfinder/userfiles/files/boxewarikigezibitowifepew.pdfIn PDF document text
  • http://rockhouseschool.com/rockhouse/uploads/files/penejuwaxinowuvawuze.pdfIn PDF document text
  • https://elger.cz/fckphotos/file/fifutopaditituzoron.pdfIn PDF document text
  • http://tlca.com/Content/uploads/files/ropalijarijetuk.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614208fe4a91d---32249270139.pdfIn PDF document text
  • http://kesherisrael.com/uploadEditor/files/xibijemajofo.pdfIn PDF document text
  • http://elencostruzioni.it/userfiles/files/91938961300.pdfIn PDF document text
  • http://epoxidice.ro/mm/file/kikizunilotetuwuk.pdfIn PDF document text
  • http://stin-verdon.fr/assets/Image/files/ledopuzesefalixolo.pdfIn PDF document text
  • http://baikalspring.ru/ckfinder/userfiles/files/fopexategaju.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c381221d69---41218639441.pdfIn PDF document text
  • https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/03cc068f0a3dce4817ac3614442c40bc/29193014556.pdfIn PDF document text
  • http://abpjseah.news-read.com/upload/files/43526584634.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613572e27b3d2---xajufirifatuvekukitoras.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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