Malicious PDF — malware analysis report

Heuristics 6

• 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 http://yunnanyingxiang.com/ckfinder/userfiles/files/sikilolas.pdf In PDF document text

  • http://caycanh.vn/images/fck/file/82688662150.pdfIn PDF document text
  • http://kimbuunguyen.com/uploads/userfiles/file/pifopop.pdfIn PDF document text
  • http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/217bb562774d0a3dd3e9bf7721cc3804/sajaxaresapomenodon.pdfIn PDF document text
  • https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/j7ggunu6i6q04kur3eo6b9grk4/gufepegiki.pdfIn PDF document text
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/8b9e6d961cc9797b065e58d1919e4e6b/68101143874.pdfIn PDF document text
  • http://test-immo.com/file/37186013952.pdfIn PDF document text
  • http://brucemayrockinstitute.com/assets/ckfinder/core/connector/php/uploads/files/26437176805.pdfIn PDF document text
  • https://bhiringisamsankalimandir.org/ckfinder/userfiles/files/dexokazo.pdfIn PDF document text
  • https://alkalacarservice.com/public_html/userfiles/file/79553653295.pdfIn PDF document text
  • https://ooo-kenk.ru/userfiles/file/91399616963.pdfIn PDF document text
  • https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/61cfdodatv6jrqufhr9hiad3o9/14327798819.pdfIn PDF document text
  • http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a48149e623d---37989146516.pdfIn PDF document text
  • http://schodylux.pl/userfiles/file/kotofudigel.pdfIn PDF document text
  • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/884835ae2c08c6d597be975cb2337346/69168852453.pdfIn PDF document text
  • http://aweibel.com/Photo/file/nozotepekepowavani.pdfIn PDF document text
  • http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/160916f72da01e---42942004416.pdfIn PDF document text
  • https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606d35215219f---71750400759.pdfIn PDF document text
  • https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fcb40060006---mukesulafasanedawa.pdfIn PDF document text
  • http://hladonural.ru/upload_picture/68417930522.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/16090903145f5d---72178936190.pdfIn PDF document text
  • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a99f373a824---51339341567.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=nvs+ldc+result+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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