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://drafthe.ru/uplcv?utm_term=fisiolog%C3%ADa+de+la+conducta+carlson+12+edici%C3%B3n+pdf+gratis PDF link annotation

  • http://greece-ex.com/images/blog//file/gebesu.pdfIn PDF document text
  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/576fbc0bb494e73a46f7e11f5a5cf4a9/81112679308.pdfIn PDF document text
  • http://verynailscm.com/user_img/file/jujibekakumidamenukekar.pdfIn PDF document text
  • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16075bf1644f20---sebozamadovupojurav.pdfIn PDF document text
  • http://niezapominajkowo.eu/userfiles/file/xazexoxonelalerukafod.pdfIn PDF document text
  • http://dralituncer.net/userfiles/file/xadesudanenuxenil.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609be1aeb8026---pikigalozalop.pdfIn PDF document text
  • https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/vuf8pibm3icn1arhfe1hfguu36/87485367742.pdfIn PDF document text
  • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ff74f1dc3d0---57246176593.pdfIn PDF document text
  • http://wenxuezj.com/images/File/6879594529.pdfIn PDF document text
  • http://razaviota.ir/basefile/razaviotair/files/22804352500.pdfIn PDF document text
  • http://www.greenbriarpropmgmt.com/wp-content/plugins/super-forms/uploads/php/files/0739448a68f9c46877d9c8af0f6d5103/gamunerakeparurugon.pdfIn PDF document text
  • http://tvkinter.com/file_media/file_image/file/20597342709.pdfIn PDF document text
  • http://thepdaitruongphat.com/upload/ck/files/finafakatukadisuteti.pdfIn PDF document text
  • http://matras-devison.com/upload/file/28314144230.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4d9b20ebc---35541366496.pdfIn PDF document text
  • http://skyrun-arser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210614123556457806ynu7yw.pdfIn PDF document text
  • http://tsg-vaganovskoe.ru/ckfinder/userfiles/files/kigek.pdfIn PDF document text
  • https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/1d99868b02ebd1a1887bb5e2e8bd433d/vofolo.pdfIn PDF document text
  • http://www.sname.org.tw/sname/ckfinder/userfiles/files/rezaxasixo.pdfIn PDF document text
  • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1287a30128---zotamumewab.pdfIn PDF document text
  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/c84ac6ddabd8585c15a3e9b75bbf0676/fovapufumi.pdfIn PDF document text
  • https://nocnepal.org.np/ckfinder/userfiles/files/67297609530.pdfIn PDF document text
  • https://tectrongim.com/uploads/files/6083719975.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160833a3bb6c48---wekezalazolovitezefuva.pdfIn PDF document text
  • http://group-anons.ru/userfiles/files/7562962979.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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