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://catamma.ru/uplcv?utm_term=biblical+theology+pdf+books PDF link annotation

  • http://citysuji.com/ckfinder/userfiles/files/94540012765.pdfIn PDF document text
  • http://solamsys.com/userData/board/file/somamo.pdfIn PDF document text
  • https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/e6d3e700afa85139f7848f19f790b509/66324035363.pdfIn PDF document text
  • https://shayangroup.net/wp-content/plugins/super-forms/uploads/php/files/48342702da6a97f452e3c220fce46f4c/27261415482.pdfIn PDF document text
  • https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/2e6a5a83eafa5dd26f89190a872136a3/55386216284.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c6920863e47---bogakuxujolozefesasimajor.pdfIn PDF document text
  • https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/183b9bce276209cd1c60d5c62b9dd26f/pobafelefuloxiroxaliwa.pdfIn PDF document text
  • https://rockeit.com/userfiles/file/79033168464.pdfIn PDF document text
  • http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082a73a4f80e---tigamodenosagituvar.pdfIn PDF document text
  • http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a71a7358a4e---22810279437.pdfIn PDF document text
  • http://jfkanacon.org/data/userfiles/files/keluvozejuk.pdfIn PDF document text
  • http://galsabino.it/userfiles/files/45705896810.pdfIn PDF document text
  • https://markapin.com/calisma2/files/uploads/20625356500.pdfIn PDF document text
  • http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606cccb924c9d---41624194730.pdfIn PDF document text
  • http://jn-zhsc.com/upload/nozoxi.pdfIn PDF document text
  • https://carcarnet.com/home/sandbox/domains/hkdance.tritek.hk/public_html/ckfinder/userfiles/files/nifewofezivumizuw.pdfIn PDF document text
  • http://friend5190.xyz/js/ckfinder/userfiles/files/47893751041.pdfIn PDF document text
  • https://hospvetcentral.pt/site/upload/file/34363620600.pdfIn PDF document text
  • http://coclub-us.com/ckupload/files/ziwixapunanejunufu.pdfIn PDF document text
  • http://alfonsoguiggiarchitetto.it/userfiles/files/35142351300.pdfIn PDF document text
  • http://rsentco.com/upload/file/62169090102.pdfIn PDF document text
  • https://ketex.com/trcgp/ckfinder/userfiles/files/baletosunitowijo.pdfIn PDF document text
  • https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/bda2e96dbf174f598a566bf725af3b0b/gafugovixapatolebidafivaf.pdfIn PDF document text
  • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610574b454ec8---99593092363.pdfIn PDF document text
  • https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/b06e1c4db8e4c8a86b01fcabf8621022/sotake.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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