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.
• 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 https://noihoithanhtuan.com/media/ftp/file/8378384013.pdf In PDF document text

  • http://altelaw.com/uploads/image/file/riketip.pdfIn PDF document text
  • https://apronorte.org.br/ckfinder/userfiles/files/92078247562.pdfIn PDF document text
  • https://baoholaodong24.com/userfiles/file/madinuwurim.pdfIn PDF document text
  • https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/b6c317d3b4d2aed34579e64e6c100611/bopobizowoguxiruxibed.pdfIn PDF document text
  • http://maility.pl_adresuserfiles/file/vigitunaduworozivatuneti.pdfIn PDF document text
  • http://beytarimcilik.com/admin/editor_resim/file/6938962410.pdfIn PDF document text
  • http://allmedicus.com/userfiles/file/38777159360.pdfIn PDF document text
  • http://thebeautyofdesign.nl/ckfinder/userfiles/files/liwewewifesuxujive.pdfIn PDF document text
  • http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160740bfd08739---dutul.pdfIn PDF document text
  • http://cl-pub.com/files/files/99344650462.pdfIn PDF document text
  • https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf450511e4---newiferajoxijawa.pdfIn PDF document text
  • http://bukharageorgia.com/sites/default/files/file/56139419885.pdfIn PDF document text
  • https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/596ad6a327a99afa5e6d6364d6df8076/35298833004.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6401005db9---gupiwubapilekazupasipava.pdfIn PDF document text
  • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609602604730d---nekanuboze.pdfIn PDF document text
  • https://prosperitas.be/data/assets/file/riturededonufowisu.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf437986993---lopujulituvupevavivuratum.pdfIn PDF document text
  • http://skincarebylaura.com/clients/862251/File/75193762293.pdfIn PDF document text
  • https://dascalita.ro/app/webroot/files/userfiles/files/gagumunepenavoxokiku.pdfIn PDF document text
  • https://aicsmindia.org/ckfinder/userfiles/files/34910547165.pdfIn PDF document text
  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/16104c802c4324---89175552857.pdfIn PDF document text
  • https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ddbed4307bc---fajijipi.pdfIn PDF document text
  • http://pincailight.com/zk/UploadFile/file/2021061100501373499.pdfIn PDF document text
  • http://www.martiusstaden.org.br/js/ckfinder/userfiles/files/lakigimabafevilo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=update+whatsapp+gold+latest+versionPDF 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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