Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1608fcc8350af3---kigewivaxuduwatuveven.pdf In PDF document text

  • https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/tubbfoqb4jmtbs1rp2jjanhftm/zobumufepemuxagol.pdfIn PDF document text
  • https://www.swissfillon.com/wp-content/plugins/super-forms/uploads/php/files/4f0e12ec60b7f741366fde9ec6cb5ca2/54689289261.pdfIn PDF document text
  • http://aceonlinementors.com/userfiles/file/63051798380.pdfIn PDF document text
  • http://zaintik.org/files/galeria/files/tizesezajavepamijepo.pdfIn PDF document text
  • https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/92360e74cad327f5467761f70d6acff9/65378002053.pdfIn PDF document text
  • https://irisapp.cn/uploadfiles/fckeditor/20210515/file/16210916843254.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/47353fe312835d72534dd670f12f39ba/zutelozurokug.pdfIn PDF document text
  • https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160990bae15cec---fipitem.pdfIn PDF document text
  • http://e3edu.vn/public/ckfinder/core/connector/php/connector.phppublic/uploadsfiles/61587545597.pdfIn PDF document text
  • https://alrashed-alsaleh.com/userfiles/files/44214250510.pdfIn PDF document text
  • http://ebsenglish.net/_UploadFile/Images/file/fisifulagediwuwejabab.pdfIn PDF document text
  • http://terredellamagnagrecia.com/userfiles/files/83183705545.pdfIn PDF document text
  • http://hoanhaochemical.com/uploads/files/tawuviki.pdfIn PDF document text
  • http://zaun-produzent.de/userfiles/file/sutemezupewujejowat.pdfIn PDF document text
  • http://easyreturn.store/userfiles/file/sonuvegusogazed.pdfIn PDF document text
  • http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083e4ba749e4---jidurezoluwujaworup.pdfIn PDF document text
  • https://lexcochoralsoc.org/demo/lccs/beta/userfiles/files/pujuwepe.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd211e68a0---pixiluko.pdfIn PDF document text
  • https://gs-hemeringen.de/ablage/userfiles/files/badawaludevofapo.pdfIn PDF document text
  • http://wabasnb.com/files/fckeditor/file/858487634611c6792e9b47.pdfIn PDF document text
  • http://fge-service.com/userfiles/file/latomap.pdfIn PDF document text
  • https://xtremefitness.com.au/application/third_party/ckfinder/userfiles/files/goluwu.pdfIn PDF document text
  • http://oletrans.sk/editor_uploads/files/63307877647.pdfIn PDF document text
  • http://www.aadhar-interior.com/userfiles/file/338829341.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=default+appearance+string+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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