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://huntic.ru/uplcv?utm_term=android+studio+store+data PDF link annotation

  • https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/310ceb176f82ae18fed1ef0233c49045/56973356623.pdfIn PDF document text
  • http://www.herbertvanderbrugghen.nl/draft/50771386205.pdfIn PDF document text
  • http://jin16888.com/userfiles/file/xuvebabekakikojew.pdfIn PDF document text
  • https://kolorubursztynu.kolorubursztynu.pl/web/uploads/files/bawagagevusemorupuwisaw.pdfIn PDF document text
  • http://hrdiborice.cz/erucom1/files/files/90723841060.pdfIn PDF document text
  • https://greenline.bg/userfiles/file/81537982362.pdfIn PDF document text
  • http://aeklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/79886345707.pdfIn PDF document text
  • http://stadion-zarya.ru/ckfinder/userfiles/files/wutofavigusolan.pdfIn PDF document text
  • http://ecpa.fr/uploaded/file/98155847620.pdfIn PDF document text
  • http://business-plan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/gulabufamonipaza.pdfIn PDF document text
  • http://nhadep30giay.com/uploads/image/files/kosexupeperol.pdfIn PDF document text
  • http://permanentnimakeup-brno.cz/userfiles/files/52701020464.pdfIn PDF document text
  • https://bankkartya.hu/js/ckfinder/userfiles/files/61759124267.pdfIn PDF document text
  • https://tigaintan.com/contents/files/fujigakuvejuzuwa.pdfIn PDF document text
  • https://ags-car.60km.com/upload/files/wugabofutuvunubisuxa.pdfIn PDF document text
  • http://ff-engineering.com/userfiles/files/87970066414.pdfIn PDF document text
  • https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d2af11414e---66611354468.pdfIn PDF document text
  • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/0sofd0qqlmd37mc4ns0nmljsjt/69969302234.pdfIn PDF document text
  • https://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/36393465021.pdfIn PDF document text
  • http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/161388e7a24c48---44948020607.pdfIn PDF document text
  • https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ca562985b3b617e1f9c4013d64d584df/gebikaziwajixuzijup.pdfIn PDF document text
  • https://nguyenvanhuongloc.vn/app/webroot/files/images/pages/files/23613783127.pdfIn PDF document text
  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16140354958809---73611804525.pdfIn PDF document text
  • https://niboparis.com/upload/fckeditor/file/1631578231_1.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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