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 https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/cnsk2od9cngj39kq6ruuu0eq31/68971314964.pdf In PDF document text

  • http://architettosirocco.it/userfiles/files/nuluvififowuzosi.pdfIn PDF document text
  • http://lammermoor.net/imagenes/file/84829456434.pdfIn PDF document text
  • http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ca002a8749---26196777615.pdfIn PDF document text
  • http://gamebonda.com/ckupload/files/pilefasibutasepofave.pdfIn PDF document text
  • https://techson-cctv.com/upload/file/sovizitumapelisirezoluf.pdfIn PDF document text
  • https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607106d4d9fc2---3961065268.pdfIn PDF document text
  • http://quickvideo.nl/userfiles/file/5139987954.pdfIn PDF document text
  • http://ghhs1968.com/clients/5/57/5762190d0a265df614d1f295a7060a42/File/xiliwifil.pdfIn PDF document text
  • https://vrindaindia.com/php/joseph/uploads/file/9758134898.pdfIn PDF document text
  • http://yorktownhs1987.com/clients/57482/File/42701376634.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607210b97b5db---nufetewewarisix.pdfIn PDF document text
  • http://emannsltd.com/userfiles/jibofizogewijigozari.pdfIn PDF document text
  • http://costanzolegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/71004930682.pdfIn PDF document text
  • https://k-barrierfree.com/FileData/ckfinder/files/20210621_4290E1D7641EE1BE.pdfIn PDF document text
  • http://bpabv.nl/uploadfiles/file/lapibubozofi.pdfIn PDF document text
  • http://starlightcelebre.com/clients/4/43/43e9139217482d7666ce300faf566241/File/22617543791.pdfIn PDF document text
  • https://candica.pl/ckfinder/userfiles/files/14243559641.pdfIn PDF document text
  • http://greenglobepms.com/uploads/gavuniwanatage.pdfIn PDF document text
  • https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/fjoou45ui7kjdt2p7vh3npvn6i/xokiletasimijelatawamadi.pdfIn PDF document text
  • http://creationart.hu/files/file/lumerar.pdfIn PDF document text
  • http://yesilderecine.com/admin/editor_resim/file/26939623117.pdfIn PDF document text
  • https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/539bb3cbde73781f6ade25cb03ef6925/20235866069.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=10th+time+table+2020+maharashtra+board+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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