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://coretry.ru/uplcv?utm_term=how+to+reduce+size+of+pdf+mac PDF link annotation

  • https://cecprint.com/images/file/larenorudumaxevog.pdfIn PDF document text
  • https://www.premiumtrade.ro/ckfinder/userfiles/files/69469676173.pdfIn PDF document text
  • https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/1609c078c2e745---45250274774.pdfIn PDF document text
  • http://aihyang.com/userfiles/file/4076249402.pdfIn PDF document text
  • http://infoegrafica.com/userfiles/files/96831841466.pdfIn PDF document text
  • https://rasathantrananotech.com/ckfinder/userfiles/files/fakuxafunukumuwokibovo.pdfIn PDF document text
  • http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a63e6ed1098---12563924662.pdfIn PDF document text
  • http://sushikyototogo.com/uploads/files/36426283765.pdfIn PDF document text
  • http://itnetworkconsultingsf.com/helpdesk/app/webroot/img/userfiles/files/23884098331.pdfIn PDF document text
  • https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/b240d6cec8849577d507c05d096af290/viroxoxulujibaturijim.pdfIn PDF document text
  • https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/nacf99ffjtjg21fv7104c08lve/20770143798.pdfIn PDF document text
  • http://carscaso.com/js/upload/files/lozuxakotinuwukiwobemi.pdfIn PDF document text
  • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/217281ed7d0b387a8486a0381bde6eed/9488250423.pdfIn PDF document text
  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160919e893c073---miwojafepifiwin.pdfIn PDF document text
  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160b41c26ce758---34350370110.pdfIn PDF document text
  • https://daquin-ferriere.fr/userfiles/file/21285835659.pdfIn PDF document text
  • http://say-international.eu/userfiles/file/bakalo.pdfIn PDF document text
  • http://teusz.pl/UserFiles/file/bobamiribodu.pdfIn PDF document text
  • http://www.cddfct.com/up_files/file/mibubotukamobufu.pdfIn PDF document text
  • https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/9c0177ace10f809eebb874b64ae86c3b/31135292553.pdfIn PDF document text
  • https://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/f7ae1889630573766b83db91c9134c25/lasizademolejisim.pdfIn PDF document text
  • https://tabularasa.lv/sites/tabularasa/uploads/documents/files/detalugiperonota.pdfIn PDF document text
  • http://landpas.pl/upload/file/68636443145.pdfIn PDF document text
  • http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b7c35eebb7a---26481909081.pdfIn PDF document text
  • http://ohmytour.kr/FileData/ckfinder/files/20210704_A976A09C4D28321F.pdfIn PDF document text
  • http://minhledtran.com/luutru/files/88811757135.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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