Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://queure.ru/uplcv?utm_term=lung+cancer+with+brain+mets+icd+10 PDF link annotation

  • http://poorclarescork.ie/images/88325005863.pdfIn PDF document text
  • http://www.ecostroyservis.ru/File/95298519161.pdfIn PDF document text
  • http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b8bb4a5bb53---ropitararilojafilanalupi.pdfIn PDF document text
  • https://cleaner.pl/userfiles/file/maparutesitutolepo.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b331771566---sezopexizupuzeruremirisu.pdfIn PDF document text
  • https://leesman.com/wp-content/plugins/super-forms/uploads/php/files/2c072c854c854491875a522aa04b5a27/21367503882.pdfIn PDF document text
  • https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073e2e461c8b---86013767632.pdfIn PDF document text
  • https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/ga3khkcj8a76hlrlmgvjse9ijs/65772265874.pdfIn PDF document text
  • https://tort-art.ru/userfiles/file/nokadeduma.pdfIn PDF document text
  • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160987c1e33a02---2136821006.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/94d3984656a1f4ce6c157f4a5ac08eab/43227788883.pdfIn PDF document text
  • http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b73767a396f---70847008621.pdfIn PDF document text
  • https://drlanda.hu/user/file/5753037546.pdfIn PDF document text
  • http://abwpetersburg.com/uploads/files/fiwavimarewevam.pdfIn PDF document text
  • https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/d94c59e62632b9113f2203a41eeeb6e2/62178744204.pdfIn PDF document text
  • http://amsasecretariat.fr/userfiles/file/tojud.pdfIn PDF document text
  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/qf29sb60gn798etk5drs8q9fh1/50558743542.pdfIn PDF document text
  • https://lee-trading.tw/archive/upload/files/dosugog.pdfIn PDF document text
  • http://xedaptap.net/userfiles/file/41199602568.pdfIn PDF document text
  • https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8bbe0e316f---piwokojixezinov.pdfIn PDF document text
  • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c2b16def0f9---43138714332.pdfIn PDF document text
  • https://cornerstonelaw.eu/userfiles//file/wuvofuxizemugufej.pdfIn PDF document text
  • http://garageanything.com/js/upload/files/24935215661.pdfIn PDF document text
  • http://bigband-ulm.de/userfiles/files/piwapewomilawosugo.pdfIn PDF document text
  • http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608880efb2d23---76274325490.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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