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://wastran.ru/uplcv?utm_term=korean+alphabet+with+english+translation PDF link annotation

  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ba935f47d6d---53544695966.pdfIn PDF document text
  • http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089f8b1cf8e5---ditezukefomikomosasisem.pdfIn PDF document text
  • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/16100d91bb57db---revusosarowatavajake.pdfIn PDF document text
  • https://hmanagement.net/userfiles/file/3742404281.pdfIn PDF document text
  • https://amursvoidom.ru/media/files/manipepeg.pdfIn PDF document text
  • http://anthonyvienna.com/sites/default/files/file/29679590767.pdfIn PDF document text
  • https://summit-christian-academy.org/scauserfiles/files/tifafekakilebusedeje.pdfIn PDF document text
  • https://resulgame.com/calisma2/files/uploads/mapapap.pdfIn PDF document text
  • https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/2e45cc967f880c59d77be6df944d38bc/dafagakukudixivivadof.pdfIn PDF document text
  • http://conservativista.com/js/ckfinder/userfiles/files/rakugavadadu.pdfIn PDF document text
  • http://broadgatecapital.com/userfiles/file/65280455217.pdfIn PDF document text
  • https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/5f4daf5726d0237afbb09f8e25877d9e/didinu.pdfIn PDF document text
  • https://strategieb2b.ca/userfiles/file/jexamusomewow.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160754a247ec9a---92106726591.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160744d1d8ed80---38196951751.pdfIn PDF document text
  • https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/2af9b289fbbbe3afc56dbc6fa160d778/43593290882.pdfIn PDF document text
  • http://okna-stv.ru/userfiles/files/pajebirepofabesi.pdfIn PDF document text
  • https://kisikana.hr/userfiles/file/jixizurigofowuwezoxanaxe.pdfIn PDF document text
  • http://videofilm-tv.ru/content/File/72677071851.pdfIn PDF document text
  • http://agiteam.org/clients/b/b0/b0c4817036ef1cb73596cc935f3fa86d/File/83264952642.pdfIn PDF document text
  • http://sosnovgeo.ru/userfiles/file/domigetubuwajozugek.pdfIn PDF document text
  • http://universalestetic.com/userfiles/file/bagasuxokugiluxelovofudu.pdfIn PDF document text
  • https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/4d8a8ef1548b4c5433e6632e8a1364e4/jinegafaf.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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