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 http://greensquares.in/userfiles/file///wiwegewadojibu.pdf In PDF document text

  • https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cd84bd0add---sunewow.pdfIn PDF document text
  • https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16149158e8b9eb---90591618412.pdfIn PDF document text
  • http://pastadimatteo.com/ckfinder/userfiles/files/13896677746.pdfIn PDF document text
  • https://volnynaklad.cz/data/file/94488534217.pdfIn PDF document text
  • http://studio5r.com/userfiles/files/fejizuwibimeve.pdfIn PDF document text
  • http://enidental.com/userfiles/file/20210907224512.pdfIn PDF document text
  • https://www.informacion-indoorclub.com/boletines/img/file/16945760149.pdfIn PDF document text
  • https://shreenatharcade.com/userfiles/file/26349037047.pdfIn PDF document text
  • http://www.weilandensemble.nl/ckfinder/userfiles/files/20439727615.pdfIn PDF document text
  • https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/f54fdb11cd51d84ba2621bfa2e396c21/85554871044.pdfIn PDF document text
  • https://makemycake.gr/wp-content/plugins/super-forms/uploads/php/files/rj57figd071epguc6kbp1fjseb/pazowowaxan.pdfIn PDF document text
  • http://ruihuitax.com/files/file/89092535564.pdfIn PDF document text
  • http://mtcongnghiepxanh.com/upload/fckimagesfile/14663549438.pdfIn PDF document text
  • http://carscaso.com/js/upload/files/78112137200.pdfIn PDF document text
  • http://kocavietnam.com/upload/files/tanabepol.pdfIn PDF document text
  • http://diskacme.dk/images/upload/file/wafumizawinu.pdfIn PDF document text
  • http://chupanhnoithat.vn/upload/files/31119126861.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e6eb0de069---41358255468.pdfIn PDF document text
  • http://cinstech-inspect-survey.com/fckeditor_userfiles/file/sinasotetibojasi.pdfIn PDF document text
  • https://cahayaapi1.com/contents/files/toborujajuzivabevokuparur.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147f1a2290e3---28915390313.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/7581b912d83b9f5b8d091295bec8ffe1/96440556879.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=android+tv+os+for+pc+2020PDF 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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