Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://erulingua.hu/uploads/content_files/files/xuzotidavitudigumidiso.pdf In PDF document text

  • http://tmtechvn.com/webroot/img/files/37681376340.pdfIn PDF document text
  • https://happycondo.leaddeehub.com/userfiles/files/nenarorawugividos.pdfIn PDF document text
  • http://kargiskola.ge/myadmin/ckeditor/ckfinder/userfiles/files/55104842174.pdfIn PDF document text
  • https://thefertilizerproductionline.com/d/files/kexijinuju.pdfIn PDF document text
  • http://africanhairbraidingsalon.com/userfiles/file/66957679343.pdfIn PDF document text
  • https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16130a616d885c---salufanagudodu.pdfIn PDF document text
  • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/161307a5ec34dc---69496671092.pdfIn PDF document text
  • https://istruttorecinofilo.it/userfiles/file/70539771556.pdfIn PDF document text
  • http://st-communications.com/ckfinder/userfiles/files/57515144506.pdfIn PDF document text
  • https://wickedcheesy.com/images/file/fuguvixoloba.pdfIn PDF document text
  • http://perfekt-dom.pl/designhome/admin/userfiles/file/10902578359.pdfIn PDF document text
  • http://toyotarent.tw/FileData/ckfinder/files/20210904_27A2716304D513F3.pdfIn PDF document text
  • http://levant-tekstil.com/other_files/File/nuluwugodirar.pdfIn PDF document text
  • http://highlevel.pl/userfiles/file/tafotemepuzu.pdfIn PDF document text
  • http://mptech.vn/ckfinder/userfiles/files/77721588866.pdfIn PDF document text
  • http://nanchang.chinatupai.com/web/js/ckfinder/userfiles/files/tipopikonobonedumazij.pdfIn PDF document text
  • https://ardiinerkh.mn/uploads/userfiles/files/84893598454.pdfIn PDF document text
  • https://nayyaralidada.net/alpha/ckfinder/userfiles/files/xogusimegeranototixuvepu.pdfIn PDF document text
  • http://pbhdom.eu/userfiles/file/99057157629.pdfIn PDF document text
  • http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/0aaffbfaa64bf6f66afcc0c3b3d03a38/kokipibozefi.pdfIn PDF document text
  • http://4seasonstours.in/userfiles/file/bumitomono.pdfIn PDF document text
  • https://igruppe.no/ckfinder/userfiles/files/mejaj.pdfIn PDF document text
  • http://agriturismoilnoceto.com/userfiles/files/tezokizawerosi.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614018557a7f7---70025475383.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=4x+strategy+games+androidPDF link annotation
  • https://b2cdemo.tickets.com/content/files/jezimiwibufosabodufuxidu.pdfIn PDF document text
  • 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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