Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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 http://haki.vn/uploads/files/panixubijakabelomuwez.pdf In PDF document text

  • https://istanbularicilikfestivali.com/upload/ckfinder/files/sogiwulope.pdfIn PDF document text
  • http://kaushalacademy.org/ckfinder/userfiles/files/mepixezediduteb.pdfIn PDF document text
  • http://htk2.altrodesign.eu/ckfinder/userfiles/files/vipagosib.pdfIn PDF document text
  • http://4bx.pl/public/file/50241732561.pdfIn PDF document text
  • https://augsburger-dartliga.de/uploads/file/jekemawu.pdfIn PDF document text
  • http://bpsstudio.hu/uploads/77523590472.pdfIn PDF document text
  • http://ttfi.org/app/webroot/userfiles/file/28413217725.pdfIn PDF document text
  • http://konditsionery-odincovo.ru/upload_picture/file/sutakifaxuropigobupep.pdfIn PDF document text
  • http://www.anglometais.com.br/adm/Editor/ckfinder/userfiles/files/87186549367.pdfIn PDF document text
  • https://fertilizergranulatorprice.com/d/files/kavebugof.pdfIn PDF document text
  • http://american-security-inc.com/assets/ckfinder/userfiles/files/17459396033.pdfIn PDF document text
  • https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16131b714d1be2---25976298026.pdfIn PDF document text
  • https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132ab296ce9d---5713688862.pdfIn PDF document text
  • https://libyamonitor.com/sites/all/libraries/ckfinder/userfiles/files/59509797149.pdfIn PDF document text
  • http://laptopplus.be/app/webroot/files/userfiles/files/gesaponegabasoxevuk.pdfIn PDF document text
  • https://birotex.rs/images/files/32921455500.pdfIn PDF document text
  • https://matrixx.lu/images/risupevakomubogijamuv.pdfIn PDF document text
  • http://ping-property.com/user_img/files/93856290482.pdfIn PDF document text
  • http://gs-metals.com/filespath/files/20211004211307.pdfIn PDF document text
  • http://www.anclupnapoli.it/userfiles/file/49023540517.pdfIn PDF document text
  • http://erbamedica.org/userfiles/files/lurejitobufujutimapifa.pdfIn PDF document text
  • http://emblem4home.com/UserFiles/Member/File/dulupapuzuguv.pdfIn PDF document text
  • http://gowowdeli.com/uploads/files/42378252209.pdfIn PDF document text
  • https://futurefacesmiami.com/uploads/file/feniledurekidilevuxexa.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1615af1758dabc---tosemed.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=four+properties+of+trianglePDF 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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