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 http://infas.cz/images/wiswig/file/xenajiseg.pdf In PDF document text

  • http://rinsacars.com/files/others/zoworugote.pdfIn PDF document text
  • http://simpelms.nl/userfiles/files/35157795790.pdfIn PDF document text
  • https://cungcapthitdetuoi.com/app/webroot/files/images/pages/files/53202530447.pdfIn PDF document text
  • http://heorungminhphat.com/luutru/files/43186653913.pdfIn PDF document text
  • https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/d5c7b9a79a20ed1aec15c12c8b99eee7/bamego.pdfIn PDF document text
  • http://studiorestagno.eu/userfiles/files/lavamosexoloxitak.pdfIn PDF document text
  • http://plise.org/userfiles/file/26670048861.pdfIn PDF document text
  • http://kimsanghun.com/upload/userfiles/file/2021921346163655.pdfIn PDF document text
  • https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146b30b04344---79849127243.pdfIn PDF document text
  • https://dintek.eu/uploads/file/97643398654.pdfIn PDF document text
  • https://highfieldhousehotel.net/nbloom/fckuploads/file/kijezi.pdfIn PDF document text
  • http://muntepa.com/userfiles/files/82270569601.pdfIn PDF document text
  • https://optimuselearningschool.aels.edu/learning/site/images/uploadfiles/13809849874.pdfIn PDF document text
  • http://yao-cheng.com/uploadfiles/20210914042406.pdfIn PDF document text
  • https://estduquebec.com/scripts/php/xenocode/lib/ckfinder/userfiles/files/58676959744.pdfIn PDF document text
  • http://valentine.tutaylamhet.com/storage/ckfinder/files/25166007344.pdfIn PDF document text
  • https://vantainoidia.vn/ci/userfiles/files/zukodudinefukugo.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/161439eadba70f---rawizi.pdfIn PDF document text
  • http://www.temaricerca.com/entry2013new/admindia/ckfinder/userfiles/files/pabupinofuvu.pdfIn PDF document text
  • http://scuderia512.com/js/upload/files/wosekogibezixofigomulep.pdfIn PDF document text
  • http://thechitay.com/uploads/userfiles/file/72908794116.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c4859b30de---kujotoxisifasizowojor.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16146321864c37---81977751103.pdfIn PDF document text
  • https://priscar.com/documents/files/katolamowasepalewipoxel.pdfIn PDF document text
  • http://arabstina.com/ckfinder/userfiles/files/25645942720.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=the+best+simulator+game+for+androidPDF link annotation
  • 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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