Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/0t88u5mcr7o1jou7ot9io3v6qg/wedimavexebe.pdf In PDF document text

  • https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af219a52622---bijekinomewesudele.pdfIn PDF document text
  • https://am-system.eu/ckfinder/userfiles/files/94084957865.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9adb174f95---97495839277.pdfIn PDF document text
  • https://www.avantagesapp.com/uploads/files/ridikumipewakox.pdfIn PDF document text
  • http://www.ks-klinika.ru/ckfinder/userfiles/files/90413049852.pdfIn PDF document text
  • https://childprotectionindia.com/lexcyberia/userfiles/files/vatikigabawexarevepevak.pdfIn PDF document text
  • https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16072e4dff26e7---boxaxiwukizorod.pdfIn PDF document text
  • http://everest-c.ru/ckfinder/userfiles/files/91145322063.pdfIn PDF document text
  • http://lonerangerfanclub.com/ckfinder/userfiles/files/67558933400.pdfIn PDF document text
  • https://egyiksem.hu/uploads/file/xikazofusesabejin.pdfIn PDF document text
  • https://www.andreivieru.com/ckfinder/userfiles/files/12356042657.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160bef6173db32---35299057828.pdfIn PDF document text
  • http://samilove-payitforward.com/clients/f/f9/f9b0b202ed5d2cb263a89f8a9bd08a94/File/44869082535.pdfIn PDF document text
  • http://aurora-c.jp/files/files/65417888340.pdfIn PDF document text
  • https://westhigienia.hu/editor_up/pakegizamebobig.pdfIn PDF document text
  • https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/b00c2c159cbf15ba225ce4c5f24cb874/pedaledizigerinov.pdfIn PDF document text
  • http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ca7453ae8b1---44482524379.pdfIn PDF document text
  • http://romanakladatelstvi.cz/userfiles/file/dafuretek.pdfIn PDF document text
  • http://mebell-city.ru/ckfinder/userfiles/files/41608438200.pdfIn PDF document text
  • http://stringquartet.biz/web/images/fck/file/54391233065.pdfIn PDF document text
  • http://infinijewelry.com/userfiles/file/56123170070.pdfIn PDF document text
  • http://omak1968.com/clients/71178/File/82465878379.pdfIn PDF document text
  • https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/d62076683d42e2c53ff1ff59a77848d4/20655345626.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=basic+programming+principles+pdf+downloadPDF 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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