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://medvor.ru/uplcv?utm_term=guardian+the+great+and+lonely+god PDF link annotation

  • http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a21b1960311---63574887689.pdfIn PDF document text
  • http://thevenetianmask.com/clients/71561/File/86777230253.pdfIn PDF document text
  • http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085bd75acdb6---44727600346.pdfIn PDF document text
  • http://pwmtqatar.net/userfiles/file/48489038554.pdfIn PDF document text
  • http://flynewsletter.com/uploads/file/borapugagol.pdfIn PDF document text
  • http://jevades.com/aircraft/fckimages/file/72175101808.pdfIn PDF document text
  • https://portugaliaimagyarok.com/ckfinder/userfiles/files/zuvoso.pdfIn PDF document text
  • https://harrisitalia.it/uploads/file/sekuko.pdfIn PDF document text
  • https://doan295doson.vn/namthuan/images/news/files/tuwulegapelimexonabiwala.pdfIn PDF document text
  • http://abpaluso.com/upload/file/78054161013.pdfIn PDF document text
  • http://deurenhanger.nl/userfiles/file/medusesidixaferi.pdfIn PDF document text
  • http://raffaelecavazzoni.com/userfiles/files/bubizowarawep.pdfIn PDF document text
  • http://chistogood.ru/admin/ckfinder/userfiles/files/63030042866.pdfIn PDF document text
  • http://akicgiyim.com/userfiles/file/66757596509.pdfIn PDF document text
  • https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/dfdc05b6320e5538b13c4f28d7ef09b5/bozus.pdfIn PDF document text
  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d4901f523f6---27587275679.pdfIn PDF document text
  • https://hpsoft.shop/upload/files/41138047031.pdfIn PDF document text
  • http://www.cddfct.com/up_files/file/lelitibaxisidutuxutanijub.pdfIn PDF document text
  • http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608699ac95357---leperegafakabisosilir.pdfIn PDF document text
  • https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/29955b111bfc313fc36d9a71e3055270/82154353251.pdfIn PDF document text
  • http://boxethai38.com/upload/file/44848226086.pdfIn PDF document text
  • http://musclecar-taps.com/js/upload/files/99641595279.pdfIn PDF document text
  • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/aaf8e4c792b801e330114db15dd73434/dinadi.pdfIn PDF document text
  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a0db2e0c9fe---12568662029.pdfIn PDF document text
  • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/7eda06c6a976571cbac248e1faa40e65/7582733982.pdfIn PDF document text
  • https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/3076933bd7d460ebf8f0f76d096e9676/87684642249.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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