Malicious PDF — malware analysis report

Heuristics 7

• PRC/3D content in PDF medium CVE related PDF_PRC_3D
  PDF contains PRC 3D content. PRC/U3D parsers have been a recurring Adobe Reader attack surface; treat as a related parser-exploit indicator rather than a specific CVE match.
• 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.
• 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://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/c0mbrke5ped065v3b93p8aiu6l/dakud.pdf In PDF document text

  • http://www.forteks.com.br/admin/ckeditor/ckfinder/userfiles/Images/3252316157.pdfIn PDF document text
  • https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/8f908b289c010e1fb44e4e43699b7520/17107143377.pdfIn PDF document text
  • http://www.tobywells.org/media/fckdir/file/53845988107.pdfIn PDF document text
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bd58655f06---kufasinijuj.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16074186358757---38566234114.pdfIn PDF document text
  • http://cityfate.com/files/files/83275337532.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/42466100429.pdfIn PDF document text
  • http://sola-brothers.com/userfiles/file/51285124270.pdfIn PDF document text
  • http://89928386.com/uploads/files/202108271823312235.pdfIn PDF document text
  • http://uzks.hr/upload/datoteke/50803434902.pdfIn PDF document text
  • http://galettedesrois.hu/userfiles/file/sexasopefabivuvetefejo.pdfIn PDF document text
  • http://zonwering-belgie.be/ckfinder/userfiles/files/83753834107.pdfIn PDF document text
  • http://cdn.eagle.mn/uploads/userfiles/files/65612779633.pdfIn PDF document text
  • https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/a25d2b8a53c549b69d4e695abe787ee5/juzireva.pdfIn PDF document text
  • https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/rck56lj70ofad19kukhjv6s6p3/42098851044.pdfIn PDF document text
  • http://mai-colle.jp/userfiles/file/10072797867.pdfIn PDF document text
  • http://sva-jeanroze.com/xmedia/file/22501952393.pdfIn PDF document text
  • http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b53b077bb3---56510045615.pdfIn PDF document text
  • http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1a05e5060---33475091733.pdfIn PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/16076c150474dd---linodijutudeb.pdfIn PDF document text
  • http://terezmisszio.eu/files/file/donelinuzevopejekovufebud.pdfIn PDF document text
  • https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/16073d4f71f3c8---sirevomulipokoremodalap.pdfIn PDF document text
  • http://www.injamal.es/nueva/ckfinder/userfiles/files/5539924255.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=allen+carr+easy+way+to+quit+smoking+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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