Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://krisoc.ru/uplcv?utm_term=ben+10+ar+omnitrix+apk+download PDF link annotation

  • http://dealershop.es/userfiles/file/34000239136.pdfIn PDF document text
  • http://branpc.in/ckfinder/userfiles/files/sagebepuxarubof.pdfIn PDF document text
  • http://studio-castiglioni.com/userfiles/files/5159812623.pdfIn PDF document text
  • http://studioindelicato.com/userfiles/files/68123679968.pdfIn PDF document text
  • https://dichvuketoanvn.org/uploads/files/woribepijo.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/94856909018.pdfIn PDF document text
  • http://japanbizkorea.com/userData/ebizro_board/file/1669399968.pdfIn PDF document text
  • https://rotitelor.com/contents/files/60695965550.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/161317f59d7966---43950666143.pdfIn PDF document text
  • http://medica-eg.com/userfiles/file/21735473753.pdfIn PDF document text
  • http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613176064cba9---dugubixozozos.pdfIn PDF document text
  • http://csc0451.com/userfiles/file/20210913163411_psdl0g.pdfIn PDF document text
  • https://catbasailing.com/upload/fck/file/93136933918.pdfIn PDF document text
  • https://festival-bg.com/media/ckuploads/files/relavumo.pdfIn PDF document text
  • http://autosoftware.company/autoresponders_images/files/wuzisobo.pdfIn PDF document text
  • http://xdata.pl/app/webroot/img/ckf/files/67309481403.pdfIn PDF document text
  • http://garage-ys.info/js/upload/files/32309619557.pdfIn PDF document text
  • https://texasbordervolunteers.org/userfiles/file/jilemevodezisevu.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/d9c602bb1f8ce86f2aa4bfb239c27124/91786850285.pdfIn PDF document text
  • http://stowarzyszeniemalyksiaze.eu/img/upload/files/duxibisufaxuseg.pdfIn PDF document text
  • http://studioguatta.it/userfiles/files/29897004908.pdfIn PDF document text
  • http://savoie-outils-coupants.com/ckfinder/userfiles/files/11225523665.pdfIn PDF document text
  • https://sukienmiennam.com/userupload/files/bofademekeguxom.pdfIn PDF document text
  • https://chezgregoire.fr/userfiles/43959351854.pdfIn PDF document text
  • https://riondene.ch/img/uploads/file/mugejuvolanamudule.pdfIn PDF document text
  • http://rajasthanmetals.com/userfiles/file/kibaw.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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