Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://allytemp.ru/uplcv?utm_term=application+to+transfer+data+from+android+to+iphone PDF link annotation

  • https://ourcampuswindow.com/ckfinder/userfiles/files/kemegefudosiveradinijum.pdfIn PDF document text
  • https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/c7cf5b26feff2cb11117bc99752dc4c3/39854623642.pdfIn PDF document text
  • http://nc-israel.ru/upload/files/47361738974.pdfIn PDF document text
  • http://budoprojekt.eu/obrazy/file/wamekarejalu.pdfIn PDF document text
  • https://castilloexterior.org/ckfinder/userfiles/files/74474193965.pdfIn PDF document text
  • https://norservis.com/files/files/ziximuvekoj.pdfIn PDF document text
  • http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/tatuzik.pdfIn PDF document text
  • https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/16141f4a4c2589---jefowedonozanepezufijiru.pdfIn PDF document text
  • http://bikaji.zohukum.com/ckfinder/userfiles/files/74375097115.pdfIn PDF document text
  • http://medicare-darmstadt.de/bilder/UserImages/file/pesid.pdfIn PDF document text
  • http://konferencii.org/web/uploads/assets/file/sodude.pdfIn PDF document text
  • https://mamo-tato.ro/userfiles/file/vojivokogegud.pdfIn PDF document text
  • http://www.hro.ait.ac.th/js/ckfinder/userfiles/files/11440899400.pdfIn PDF document text
  • https://e-tta.com/app/webroot/userfiles/files/94971550104.pdfIn PDF document text
  • http://tkhomedeco.com/assets/uploads/ckedit/files/20210904000222.pdfIn PDF document text
  • https://makenie.com/upload/files/15829705161.pdfIn PDF document text
  • http://sicilalluminio.it/userfiles/files/zajopirijolowisazujivewub.pdfIn PDF document text
  • https://ferado.vn/userfiles/file/kezogavupaxe.pdfIn PDF document text
  • http://hk-bbc.com/upload/file/molawirevuxuzamejodenuma.pdfIn PDF document text
  • http://reguitti-engineering.it/userfiles/files/watetifofobekabuwunomuz.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614523c7c99da---savutilugolotidutatuk.pdfIn PDF document text
  • https://icicle-mountaineering.ltd.uk/ckfinder/userfiles/files/28917991035.pdfIn PDF document text
  • http://shijijiaming.net/filespath/files/20210904132249.pdfIn PDF document text
  • http://jrecchina.com/ckeditor/ckfinder/userfiles/files/lazadexajuvevorinonap.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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