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://infrive.ru/uplcv?utm_term=alcoholic+fetal+syndrome+pdf PDF link annotation

  • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/8fa2bb3b83f9bfbe784fcd276f2b26ec/57823257974.pdfIn PDF document text
  • https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070ce4cb05e4---74303660323.pdfIn PDF document text
  • http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/dizimatafiboje.pdfIn PDF document text
  • http://czpohledavky.cz/userfiles/files/92701077546.pdfIn PDF document text
  • https://nakshistudio.com/ckfinder/userfiles/files/26643180979.pdfIn PDF document text
  • http://togetherwewalkny.org/clients/2/24/2411cc079aa0f0d7fd57f81c6163ecfd/File/gemanivut.pdfIn PDF document text
  • http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e680190a297---mizalufuwafumivopotoxo.pdfIn PDF document text
  • http://z-i-f.ru/userfiles/file/mevozorulilizejeborotape.pdfIn PDF document text
  • https://035620126.tw/upload/greenkitchen/files/44834696116.pdfIn PDF document text
  • http://grandviewgroupresort.com/upload/files/fiwadokinedakudez.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a96a4b7bd97---91476123329.pdfIn PDF document text
  • http://recit-de-vie.fr/userfiles/file/86758768451.pdfIn PDF document text
  • https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/b6d18c38071908170b2a7426ba40dbbf/39997475493.pdfIn PDF document text
  • http://scuolascifondocortinadolomiti.it/userfiles/files/57461741026.pdfIn PDF document text
  • http://beamstraffic.ae/amb/userfiles/file/76181409423.pdfIn PDF document text
  • https://trungtamgiasuhcmmq.com/uplaod/quangtri/files/bavijemimu.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/160f9c8b113d53---bowugenelugekurubudaseb.pdfIn PDF document text
  • https://anthonygillant.com/userfiles/file/nodekojisuf.pdfIn PDF document text
  • https://sbufficio.it/file/51983577483.pdfIn PDF document text
  • https://anfauglir.com/images/file/12951648832.pdfIn PDF document text
  • http://mediasingrid.com/js/new/fckeditor/userfiles/file/nesomanolosajivewipipek.pdfIn PDF document text
  • http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609b46f743e87---dafovanufujosanimejugixoj.pdfIn PDF document text
  • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160728c82deff2---kapujofuj.pdfIn PDF document text
  • http://toanlinh.vn/upload/files/17380740189.pdfIn PDF document text
  • http://valleypainclinic.org/userfiles/file/xirixixesofafulunok.pdfIn PDF document text
  • https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/vr8btf5q36r71rv1hbnd5m0090/71980752534.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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