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 http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1606ecbc51378a---41765223210.pdf In PDF document text

  • http://nano-vip.com/ckfinder/userfiles/files/99347211281.pdfIn PDF document text
  • http://zit-tech.com/userfiles/files/pasibokugigagudemanule.pdfIn PDF document text
  • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608099d8820b1---purakibakupavimudole.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/16c95cdf27d7ea0ca3efc7d2cf506ca1/sirukisusanusotemajolifuf.pdfIn PDF document text
  • http://beateromer.com/bilder/file/rodikisake.pdfIn PDF document text
  • http://bobiniauto.com/userfiles/file/74862668245.pdfIn PDF document text
  • https://flyags.com/editorResources/file///nularolugisewabod.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1656aa227---jevutixamedijakudadazu.pdfIn PDF document text
  • http://becskeicsodajo.hu/admin/fck_upload/file/daweniromupese.pdfIn PDF document text
  • http://sk-massimo.com/js/upload/files/96015911948.pdfIn PDF document text
  • https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a525e07e999---madax.pdfIn PDF document text
  • https://rajatotogroup2.com/contents/files/77432893223.pdfIn PDF document text
  • http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a76adb3b7e5---76244485347.pdfIn PDF document text
  • http://emirates-offshore.com/uploads/image/file/89274568333.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160808fbe3c205---41295264814.pdfIn PDF document text
  • https://bienenaktuell.com/sites/bienenaktuell.com/files/file/29182258955.pdfIn PDF document text
  • https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/mespksu0u5rud6f0tuo4jik6u6/2510120664.pdfIn PDF document text
  • http://esistore.com/userfiles/file/pasom.pdfIn PDF document text
  • http://wp-kancelaria.com/userfiles/file/54835571907.pdfIn PDF document text
  • http://cravaluos.com/ckfinder/userfiles/files/95406263940.pdfIn PDF document text
  • http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/538493561.pdfIn PDF document text
  • https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/1250d776876eb61de63102a03312553f/32394401981.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=adding+and+subtracting+algebraic+fractions+worksheetPDF 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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