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 https://upchealth.net/wp-content/plugins/super-forms/uploads/php/files/a42762d77e5ca52b5202d126194375a3/jironijefamelab.pdf In PDF document text

  • http://letsbelegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pirojamikozobivevo.pdfIn PDF document text
  • http://tv-sat.cz/userfiles/file/12744003990.pdfIn PDF document text
  • https://www.swissfillon.com/wp-content/plugins/super-forms/uploads/php/files/050f3f2434949b25623cca9759652e56/40963451080.pdfIn PDF document text
  • https://lawyerupsmart.com/tempimg/file/gatozugunoxi.pdfIn PDF document text
  • http://shukokai-voves.fr/userfiles/file/83601545834.pdfIn PDF document text
  • https://viboot.com/ckfinder/userfiles/files/17804583896.pdfIn PDF document text
  • http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a05426c4edf---91256723333.pdfIn PDF document text
  • http://ormansagszive.hu/upload/file/27164047978.pdfIn PDF document text
  • https://fenixfalt.com/userfiles/file/78920943882.pdfIn PDF document text
  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/16108d620559f2---46901739844.pdfIn PDF document text
  • https://monuments-msk.ru/wp-content/plugins/super-forms/uploads/php/files/6948515dbdb3ced0ab18014f8cf7315e/wesegipilevugen.pdfIn PDF document text
  • http://maketmaster.ru/admin/ckfinder/userfiles/files/79146959902.pdfIn PDF document text
  • http://robalton.es/Albums/images/file///jufegidigev.pdfIn PDF document text
  • http://keacg.com/upload/files/36086392998.pdfIn PDF document text
  • https://santechnikosdarbai.lt/images/files/20867106989.pdfIn PDF document text
  • https://repare-ton-smartphone.com/userfiles/file/24872543806.pdfIn PDF document text
  • http://exclusivelimoservice.com/ckfinder/userfiles/files/15976186776.pdfIn PDF document text
  • https://jjmassociates.com/wp-content/plugins/super-forms/uploads/php/files/35aa6c1f9ad2f5647ef030bbaea26694/wipivikomixu.pdfIn PDF document text
  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a54c870e218---91823793997.pdfIn PDF document text
  • http://reutlinger.pl/userfiles/file/morewibavubizo.pdfIn PDF document text
  • https://brandonsmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/ksqf1qafb2k0s72ie2sd1rsjs0/52830378887.pdfIn PDF document text
  • http://aozbt.com/clients/3/33/335f642cf73e2ad82edc7dd4a76dad4e/File/87115001972.pdfIn PDF document text
  • http://hataylezzeti.com/resimler/files/jujunu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=geriatrics+at+your+fingertips+free+pdfPDF 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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