Malicious PDF — malware analysis report

Heuristics 8

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://nomylo.ru/uplcv?utm_term=messenger+new+theme PDF link annotation

  • http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/161396b3290090---gilegipulozojajufatodub.pdfIn PDF document text
  • https://www.paseppe.gr/ckfinder/userfiles/files/palibegiwetaleludonipu.pdfIn PDF document text
  • https://trungtamgiasuhcmmq.com/uplaod/quangtri/files/somivejebademulisame.pdfIn PDF document text
  • http://russkiivopros.com/images/FCKeditor/file/75891375567.pdfIn PDF document text
  • http://artanuji.ge/admin/ckeditor/ckfinder/userfiles/files/77716233206.pdfIn PDF document text
  • https://megashina24.ru/files/files/42763421900.pdfIn PDF document text
  • http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143c0642de95---21116104864.pdfIn PDF document text
  • https://www.travelknowhowscotland.co.uk/assets/js/ckfinder/userfiles/files/54128132776.pdfIn PDF document text
  • https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/8945b4a62410d9ec85312b8303ca450f/korusemetut.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/161392c7371009---16850910147.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136b689a4e68---rudizakejomoz.pdfIn PDF document text
  • http://pomodorolennep.de/gfx/userfiles/files/85352840265.pdfIn PDF document text
  • https://fentesmakina.com/paket/upload/files/73873497500.pdfIn PDF document text
  • https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/d8ed1538229c4b70a8b114312ef2fa42/dijafobakaxegumisewukose.pdfIn PDF document text
  • http://hyundaihungthinh.com/uploads/images/files/wepezof.pdfIn PDF document text
  • https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/d1fd4019239a460585bb3eda99962e34/88627205003.pdfIn PDF document text
  • http://world-spa-resorts.com/dok/befuzawenagaxapi.pdfIn PDF document text
  • https://tselectromechanical.com/uploads/CKfiles/files/75367516241.pdfIn PDF document text
  • http://safedoorsystems.com/cmsimages/file/78866330375.pdfIn PDF document text
  • https://clubsecurite.fr/webroot/upload/files/jazoxujitilebogorifol.pdfIn PDF document text
  • http://parvazyab.net/basefile/api203/files/lepudebaj.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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