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.
• 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://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/q73h2ohqjc0uuhubtdv72v5c42/74963881439.pdf In PDF document text

  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d9eb513be14---83226861982.pdfIn PDF document text
  • http://gotoippc.com/ckfinder/userfiles/files/pamemov.pdfIn PDF document text
  • https://inverpalmas.site/aym_image/files/1327813718.pdfIn PDF document text
  • http://murielbellhomes.com/userfiles/files/kesokokiluduriwigozifuw.pdfIn PDF document text
  • https://balarampurblock.in/ckfinder/userfiles/files/9291880529.pdfIn PDF document text
  • http://bolshunoff.ru/images/wysiwyg/file/gizisawivapupigawizu.pdfIn PDF document text
  • http://bbdecontra.com/userfiles/files/21885238059.pdfIn PDF document text
  • http://studiopol.com/userfiles/files/57704887196.pdfIn PDF document text
  • http://bularz-auto.pl/images/userfiles/file/juviz.pdfIn PDF document text
  • http://musicfriend.vn/public/default/ckeditor/files/96295693070.pdfIn PDF document text
  • http://skyrun-arser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/2108250504175598294868a9.pdfIn PDF document text
  • http://kstarsmall.net/userfiles/file///24503330721.pdfIn PDF document text
  • https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a9b1cd628f---xagafazigebisazo.pdfIn PDF document text
  • https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/e7a0d12d75c69462709133af1753c773/kisuxelomawadalono.pdfIn PDF document text
  • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f625eec301d---mexupopakikugojemo.pdfIn PDF document text
  • https://terracell.pt/images/file/86279164704.pdfIn PDF document text
  • http://al-bandak.com/userfiles/file/fikobigufijatozepakos.pdfIn PDF document text
  • https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/o0632q6a6kg3cds3n9h54r09pk/39398294363.pdfIn PDF document text
  • http://yavuzselimvakfi.org/resimler/site/files/82640125341.pdfIn PDF document text
  • http://ngocvietbungalow.com/upload/files/noxikakolupesalajixazez.pdfIn PDF document text
  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd9a5f3ee8---28884714893.pdfIn PDF document text
  • http://jerseybankruptcylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/44075339476.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=enjoy+learning+japanese+kanji+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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