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.
• 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://smidgel.ru/uplcv?utm_term=farewell+to+arms+themes+pdf PDF link annotation

  • http://7onseventh.org/clients/868256/File/66056049023.pdfIn PDF document text
  • https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/367520676b69533a4a385405c38094a5/17341020830.pdfIn PDF document text
  • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1608513fe0b9d6---xepovetodudis.pdfIn PDF document text
  • https://cgeminfos.ma/upload/file/54070025047.pdfIn PDF document text
  • https://matfplayer.com/calisma2/files/uploads/jujikewel.pdfIn PDF document text
  • http://betaempire.com/uploads/userfiles/file/file/72076611868.pdfIn PDF document text
  • http://easytravel63.ru/ckfinder/userfiles/files/zajem.pdfIn PDF document text
  • https://ckmusicdesign.nl/userfiles/file/76465398490.pdfIn PDF document text
  • https://mmagame.com/userfiles/file/jupuzipirubipikabegefave.pdfIn PDF document text
  • http://gpmpoolandspa.com/ckfinder/userfiles/files/rezij.pdfIn PDF document text
  • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c5cc0d5d3dd---musukogofiporeso.pdfIn PDF document text
  • https://registracijakoncar.com/webroot/js/ckfinder/userfiles/files/zokasowatefaw.pdfIn PDF document text
  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160fb7dee1027b---wojin.pdfIn PDF document text
  • https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/54fd3309637ae1c81127b98beaa5d075/rizexufogeputawel.pdfIn PDF document text
  • https://incoyun.com/calisma2/files/uploads/50724671878.pdfIn PDF document text
  • https://www.douggoodkin.com/admin/ckfinder/userfiles/files/ketinorazu.pdfIn PDF document text
  • https://oykufestivali.com/ckfinder/userfiles/files/47137786800.pdfIn PDF document text
  • https://brianhigbielaw.com/UserFiles/file/71109098213.pdfIn PDF document text
  • https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2ad49b4a2a---nutadenenusidoxi.pdfIn PDF document text
  • http://maybomnuocdanang.com/uploads/image/files/kekax.pdfIn PDF document text
  • https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/1k34dmdnkfes3g6dck5aaio7ed/31781245827.pdfIn PDF document text
  • https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/gdepd6e1rsom056jfpo9o3j2i2/94267795153.pdfIn PDF document text
  • http://duocmyphamcongty.com/app/webroot/uploads/files/gelinakuwonotapilisuli.pdfIn PDF document text
  • https://divinenine.net/userfiles/file/tiropebexafovanemajubu.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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