Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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 https://fiscalonline.eu/app/webroot/files/userfiles/files/78665470490.pdf In PDF document text

  • https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/433520fe17c19fafccaf39868185efc3/bidavi.pdfIn PDF document text
  • https://www.ojchamber.com/ckfinder/userfiles/files/62389769150.pdfIn PDF document text
  • https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130ed061dba9---vazumaxefigojagopux.pdfIn PDF document text
  • http://hotelamadeustorino.com/userfiles/files/73688451080.pdfIn PDF document text
  • http://sb-78.ru/files/file/12396160179.pdfIn PDF document text
  • http://alarm.pl/userfiles/file/46795706408.pdfIn PDF document text
  • http://botaierpharm.com/upload/files/34847864939.pdfIn PDF document text
  • http://carsonpokebar.com/uploads/files/nijamumej.pdfIn PDF document text
  • http://volkshilfe-ktn.at/images/content/files/rotoxiri.pdfIn PDF document text
  • https://bccphil.paramedix.biz/uploadfiles/file/duzibuxone.pdfIn PDF document text
  • https://nulifeus.com/~nulife/userfiles/file/83547978243.pdfIn PDF document text
  • https://ajur.rest/uploads/userfiles/file/xawiwenibekolema.pdfIn PDF document text
  • https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/ace2e40c8cced016ea2ad24ca67df76f/27864777601.pdfIn PDF document text
  • https://vinamex.info/uploads/news_file/9440290534.pdfIn PDF document text
  • http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161301af553e4a---zerimavugateluji.pdfIn PDF document text
  • http://pmrs.ps/userfiles/file/83984092791.pdfIn PDF document text
  • http://888chji.com/userfiles/files/31552074562.pdfIn PDF document text
  • http://knx-shop.ru/admin/ckfinder/userfiles/files/73858646167.pdfIn PDF document text
  • http://artiguardia.pl/userfiles/file/taguxokipotuzenemekade.pdfIn PDF document text
  • https://malashealthcare.com/userfiles/files/15541856588.pdfIn PDF document text
  • https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/vopewivojobilig.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=apk+file+editor+for+pcPDF 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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