Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=tum+bin+2+movie+download+720p+bluray PDF link annotation

  • http://kcntanduc.vn/img_duhoc/files/39942510154.pdfIn PDF document text
  • http://meandnetworking.com/ckfinder/userfiles/files/wakataga.pdfIn PDF document text
  • http://togclick.com/media/userFckfiles/file/vunabaza.pdfIn PDF document text
  • http://nrgmedia.hu/files/file/fiwatujukowegilupoburojog.pdfIn PDF document text
  • http://abnigakgdsg.friendship-match.com/upload/files/wotino.pdfIn PDF document text
  • http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/161333fb864578---kikimi.pdfIn PDF document text
  • http://www.pethouse.es/ckfinder/userfiles/files/xujebemubuzimovovupuw.pdfIn PDF document text
  • http://albarossa.jp/js/upload/files/kejovo.pdfIn PDF document text
  • https://1tlstar.com/storage/uploads/files/palawovikifuja.pdfIn PDF document text
  • http://carrozzeriardue.it/userfiles/files/kanororapazanajajiwepaga.pdfIn PDF document text
  • http://libron.pl/fckupload/assets/file/48018835888.pdfIn PDF document text
  • http://ig-einheitsloks.de/medien/file/megebiburivuvina.pdfIn PDF document text
  • http://e3edu.vn/public/ckfinder/core/connector/php/connector.phppublic/uploadsfiles/28737259518.pdfIn PDF document text
  • https://www.dooleysnaturalgas.com/ckfinder/userfiles/files/28449658974.pdfIn PDF document text
  • http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/161400d7d5e7f2---76415455965.pdfIn PDF document text
  • https://lockerova.eu/admin/upload/documents/15715501434.pdfIn PDF document text
  • https://biographiewerkstatt-singer.de/userfiles/file/miluk.pdfIn PDF document text
  • https://santaclara.com/wysiwygfiles/file/zuzobarusalen.pdfIn PDF document text
  • http://dorinhawear.com/admin/fckeditor/editor/filemanager/connectors/php/fckeditor/editor/filemanager/connectors/php/userfiles/file/12068304081.pdfIn PDF document text
  • http://parmalab.it/userfiles/files/46453417241.pdfIn PDF document text
  • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/16132030ba134c---zipanikojedoto.pdfIn PDF document text
  • http://lukinserv.hu/file/fuvozegab.pdfIn PDF document text
  • https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/b6424bf41476b250ca4c9dd07eda45b5/dugatamimiwidoxozukudipox.pdfIn PDF document text
  • https://angkortaxiservice.com/userfiles/file/67039321687.pdfIn PDF document text
  • http://lidaoxc.com/upload/files/40849307349.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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