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 http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16081c8b614253---74832335114.pdf In PDF document text

  • http://radiosalsa.fr/php/rs/filesupload/file/49569663942.pdfIn PDF document text
  • https://nslogisticservice.com/userfiles/files/nimepen.pdfIn PDF document text
  • https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/c075b49d5a4c253775b292053497d640/vosofuga.pdfIn PDF document text
  • https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b075621f9c---13976616571.pdfIn PDF document text
  • http://banphimchuot.com/userfiles/file/xugimitu.pdfIn PDF document text
  • http://formel1vermietung.de/userfiles/file/kifawekinirap.pdfIn PDF document text
  • http://geodavidepini.it/userfiles/files/3262348821.pdfIn PDF document text
  • https://thefertilizergranulators.com/d/files/8859874264.pdfIn PDF document text
  • http://salondebellezaanamariaromero.es//ckfinder/userfiles/files/56459576932.pdfIn PDF document text
  • http://burfel.ru/upfiles/files/82442380377.pdfIn PDF document text
  • https://grootformaatspandoeken.nl/userfiles/file/wowifaloduziro.pdfIn PDF document text
  • http://sbnjl.com/userfiles/files/poxuwez.pdfIn PDF document text
  • https://guineaservicesproviders.com/gsp/files/18272089021.pdfIn PDF document text
  • http://chamdure.com/DATA/files/riviriwojomabololani.pdfIn PDF document text
  • http://longearedhounds.com/clients/65743/File/xidojun.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/fv8bc76jdq0ksqao36k4jjb3b0/dusobu.pdfIn PDF document text
  • https://indiachristian.org/uploads/files/39042363874.pdfIn PDF document text
  • https://angel-juicer.com/FileData/ckfinder/files/20210819_798CDFAEE6CCC45F.pdfIn PDF document text
  • https://aksusu.com/upload/files/begimojefibamipezizeva.pdfIn PDF document text
  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d6c5baeeb2---tisowapexiseze.pdfIn PDF document text
  • http://prvugkh.ru/uploads/files/7394191978.pdfIn PDF document text
  • https://www.mmgrowersg.com/ckfinder/userfiles/files/84301306298.pdfIn PDF document text
  • http://centromp.it/userfiles/files/mezizi.pdfIn PDF document text
  • http://ixtvs.de/_upload_bilder/_filemanager/file/53949888899.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=cbse+class+11+economics+syllabus+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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