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://chcial.ru/uplcv?utm_term=how+to+open+any+pattern+lock PDF link annotation

  • https://ddtoyz.com/ckfinder/userfiles/files/debubom.pdfIn PDF document text
  • https://smartcirclegroup.com/userfiles/file/14251012726.pdfIn PDF document text
  • http://ilovechardonnayhills.com/userimages/tabokig.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/9dec7ab53e47dd62870fbdfb9cb916dc/ganirefekoxugepug.pdfIn PDF document text
  • https://euinsuti.uniluxgym.ro/app/webroot/files/userfiles/files/xutizisununavedij.pdfIn PDF document text
  • http://bronnicy.inhome360.ru/admin/ckfinder/userfiles/files/vivaluzaxekojokev.pdfIn PDF document text
  • http://taiwan-casters.com/userfiles/file/6019563445.pdfIn PDF document text
  • http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/161365af34ed8f---lesarenuzifidododu.pdfIn PDF document text
  • http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/cqmchsgp2veb6f2lmh0jbudl2k/45489710483.pdfIn PDF document text
  • http://birons.net/wp-content/plugins/super-forms/uploads/php/files/cfcfd86ead12d3518cd1c309972b8d09/pelot.pdfIn PDF document text
  • http://amblesidewindermere.ca/fckuploads/images/file/51508060446.pdfIn PDF document text
  • https://cafeau1ait.xyz/js/ckfinder/userfiles/files/83201500016.pdfIn PDF document text
  • https://98ing.com/upload/ck/files/20210903_075033.pdfIn PDF document text
  • https://privatecambodiatour.com/userfiles/file/sogegiruroroguvux.pdfIn PDF document text
  • http://laboratoriodiprogettazione-ve.it/userfiles/files/malonirurusuzubelajenibom.pdfIn PDF document text
  • http://eastindiaspray.com/suvra/eastindia_spray/files/gurugaguxubajarukagezevif.pdfIn PDF document text
  • https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/ad94374ba983dd053145eba8faed1dcb/91261506386.pdfIn PDF document text
  • https://branchennachweis.eu/userfiles/file/87960585404.pdfIn PDF document text
  • https://www.luxboss.com/ckfinder/userfiles/files/visunodusukem.pdfIn PDF document text
  • http://alnadaoil.com/userfiles/file/26191693690.pdfIn PDF document text
  • http://pate4me.com/userfiles/file/sonozovirufebepubus.pdfIn PDF document text
  • https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/detozu.pdfIn PDF document text
  • http://cheliabinsk.realxenon.ru/uploads/files/45279213400.pdfIn PDF document text
  • https://www.fishhabitatnetwork.com.au/application/third_party/ckfinder/userfiles/files/bekexejotenirujo.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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