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://medvor.ru/uplcv?utm_term=fields+virology+pdf PDF link annotation

  • http://architettobotteonpierpaolostudioabacus.it/userfiles/files/miwap.pdfIn PDF document text
  • http://netmode.net/app/webroot/uploads/files/wepejinivuvokidibapokuxo.pdfIn PDF document text
  • http://gopherandsquirrelcontrol.com/admin/images/file/xiburobajifogonajo.pdfIn PDF document text
  • https://ozmutludokum.com/userfiles/file/83089781550.pdfIn PDF document text
  • https://xn--faades-mtal-n9a6a.ch/ckfinder/userfiles/files/48920161443.pdfIn PDF document text
  • http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085946303fdb---72065869497.pdfIn PDF document text
  • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/16092ebcdc26ed---mujulavufubulepodelu.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609d1901d5c0d---36349140346.pdfIn PDF document text
  • http://alrehabourhome.com/userfiles/files/tapadelowuvizevup.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/8d5e47ecc0bb4034ea835762e19f6d15/13982570667.pdfIn PDF document text
  • https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/c6d7d2c660a4b28f4430495b70cc54aa/norokorezeka.pdfIn PDF document text
  • http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1608e74e787c57---54710763789.pdfIn PDF document text
  • https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/bd6a19ff78e910ecf219011797f206af/34330544687.pdfIn PDF document text
  • https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/bs0rbqm3lj49ou0tb6vdf9k3c0/levodukesudubirovuro.pdfIn PDF document text
  • http://mobilenmr.com/files/files/53238601658.pdfIn PDF document text
  • https://najarshi.com/basefile/najarshicom/files/zimefemitimazopabosuta.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/17194628006.pdfIn PDF document text
  • http://coxfamilyreunions.com/clients/5/56/566bc9ad745482f371977770c3e6b383/File/xuvunowopiropatuxopoboda.pdfIn PDF document text
  • http://fabriquetextil.com/js/new/fckeditor/userfiles/file/19313427847.pdfIn PDF document text
  • http://to-tuong.com/media/ckfinder/files/66117198496.pdfIn PDF document text
  • https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/e04a53ab9843f7e753e089669d813c27/84806835194.pdfIn PDF document text
  • http://szjwwj.com/userfiles/file///buroguvikolinisumin.pdfIn PDF document text
  • http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ab0c84f7e6---19993269383.pdfIn PDF document text
  • http://redemaisfarma.com/userfiles/file/41725310549.pdfIn PDF document text
  • https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a9e48761957---95273690541.pdfIn PDF document text
  • http://greer2001.com/clients/e/ea/ea56749d84c1a2d7db36d2c51c833a37/File/gobokifoveru.pdfIn PDF document text
  • https://negaratoto.com/contents//files/gumuterupi.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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