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://medvor.ru/uplcv?utm_term=download+add+music+to+voice+apk PDF link annotation

  • http://maximaviajes.com/FCKfiles/file/38086944949.pdfIn PDF document text
  • http://cecev.com/stockages/files/54246575263.pdfIn PDF document text
  • http://precisao.net/files/files/51283338286.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132661a9b710---63807381674.pdfIn PDF document text
  • http://satunatc.ac.th/ckfinder/userfiles/files/71455068049.pdfIn PDF document text
  • https://savitravel.ro/ckfinder/userfiles/files/12969151048.pdfIn PDF document text
  • http://www.39koratmachinery.com/file_upload/files/48313457125.pdfIn PDF document text
  • http://www.alex-vasilkov.ru/images/wisdom/file/linidepimukijuvarawam.pdfIn PDF document text
  • http://appartenvue.net/appart/upload/images/jojosoneru.pdfIn PDF document text
  • https://catequesisnavarra.org/guiarte_userfiles/files/57655115068.pdfIn PDF document text
  • https://daks-96.com/f/uploads/files/senojigu.pdfIn PDF document text
  • http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16133d0ae88b49---46616577440.pdfIn PDF document text
  • http://studioaba.net/userfiles/files/lujavanorijuvufepina.pdfIn PDF document text
  • http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613280bf8ff85---78261860379.pdfIn PDF document text
  • http://fslawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/75171462265.pdfIn PDF document text
  • https://www.casestilistas.es/ckfinder/userfiles/files/wenolaxugiximiw.pdfIn PDF document text
  • http://msnladyboy.com/ckfinder/userfiles/files/fajijoboseburakajekigafu.pdfIn PDF document text
  • http://kdsonline.org/userfiles/file/44333912778.pdfIn PDF document text
  • https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/161341da660bb3---dudogimuverizu.pdfIn PDF document text
  • http://ginzaramen.us/uploads/files/24774371132.pdfIn PDF document text
  • https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/bl4fgohn656obuqanvh9q13p6g/91508349928.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1613260acd38a5---48637750813.pdfIn PDF document text
  • http://k-ookuma.com/js/upload/files/gepor.pdfIn PDF document text
  • https://nada70.org/userfiles/file/xipirozoko.pdfIn PDF document text
  • http://laxycoffee.com/upload/files/86052903478.pdfIn PDF document text
  • http://studioiulianella.it/userfiles/files/46654070094.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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