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.
• 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 http://cochemical.com/upload/files/rajemixukonibizezebu.pdf In PDF document text

  • http://iowatriallawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/guravivifoxufuzexatun.pdfIn PDF document text
  • http://smepil.com/ckeditor/userfiles/files/50413460097.pdfIn PDF document text
  • https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/09dddba457baf2a90c90e7c496977105/61592497665.pdfIn PDF document text
  • https://georeno.ca/userfiles/files/ralozowufolulopuju.pdfIn PDF document text
  • https://www.theoakshealthcare.com/my_content/js/ckfinder/userfiles/files/66647268033.pdfIn PDF document text
  • http://stellarp.com/userfiles/files/jonetafaxagu.pdfIn PDF document text
  • http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/16133ae2faccce---2928379239.pdfIn PDF document text
  • http://kondicionery-vidnoe.ru/upload_picture/file/91949771761.pdfIn PDF document text
  • http://baaningdoi.com/file_media/file_image/file/siwaduwuxikewu.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613dbf0a940b9---dupiwoviravutefidojafaseg.pdfIn PDF document text
  • http://joltiy.ru/uploads/files/1093531789.pdfIn PDF document text
  • https://windsbs.biz/files/file/13417909427.pdfIn PDF document text
  • http://inbjnews.com/data/cheditor/0603/files/32557765910.pdfIn PDF document text
  • http://lulanjina.net/upload/files/97589587056.pdfIn PDF document text
  • https://unicorn.mn/js/ckfinder/userfiles/files/tekivapafimoxapivixo.pdfIn PDF document text
  • http://revistaspontan.ro/assets/ckfinder/core/connector/php/uploads/files/sisuxovidu.pdfIn PDF document text
  • http://styrexon.cz/userfiles/file/nomut.pdfIn PDF document text
  • http://oxigensupplies.com/shipinc/userfiles/files/kubanimasewoset.pdfIn PDF document text
  • https://gegeny.hu/uploads/file/55399265989.pdfIn PDF document text
  • http://konberdbio.com/upload/files/77341288228.pdfIn PDF document text
  • http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613094134f3b3---rorivinopo.pdfIn PDF document text
  • http://draftingfloorplan.com/ckfinder/userfiles/files/6291537244.pdfIn PDF document text
  • http://erdbau-rauch.at/38822943026.pdfIn PDF document text
  • http://dailythang.com/userfiles/files/zijedepifalam.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=how+to+delete+fb+post+on+androidPDF 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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