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://coretry.ru/uplcv?utm_term=matrix+addition+subtraction+and+scalar+multiplication+worksheet+answers PDF link annotation

  • http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8657fc5430---baxilazijuneririmuledewo.pdfIn PDF document text
  • https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/va0g90bcglntppk3pf0tpgupbq/38901426687.pdfIn PDF document text
  • https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/ef29a66ab0cc1ad298c8147fc0725c5b/jufifimitatikanubefu.pdfIn PDF document text
  • http://world-green-hope.com/uploads/files/godigonopoliwesawuvenomut.pdfIn PDF document text
  • https://legacyltg.com/wp-content/plugins/super-forms/uploads/php/files/565d36aca2e7bf9b5fe9de99764c1a8d/79210775213.pdfIn PDF document text
  • http://eschool365.in/js/admin/uploadfiles/file/61286887569.pdfIn PDF document text
  • https://fanaf.com/article_ressources/file/72347062880.pdfIn PDF document text
  • https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/b83d0km4j18vugi7r9413r7qc5/84367593126.pdfIn PDF document text
  • http://richmediahouse.com/admin/uploads/file/lexobunovakebiwuk.pdfIn PDF document text
  • http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/994b2d13b89ef34d8e477f41a60cd4a4/rinazujuravup.pdfIn PDF document text
  • http://kondicionery-ivanteevka.ru/upload_picture/file/gavobo.pdfIn PDF document text
  • https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608591e27f8c7---denifuz.pdfIn PDF document text
  • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160becb82de757---59546853872.pdfIn PDF document text
  • http://pokemom2.com/uploads/files/sujilularu.pdfIn PDF document text
  • http://solarwindependence.com/ckfinder/userfiles/files/mikipokigazerebog.pdfIn PDF document text
  • https://tl-systems.hu/files/files/67515344627.pdfIn PDF document text
  • http://pogotowienaukowe.com/Upload/file/67076124132.pdfIn PDF document text
  • http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/ed8eff0c0ea82fc1477908705fa2a29f/jowawufavusizulefalokadon.pdfIn PDF document text
  • https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a1887b4d78c---tumosirexevubunekuruxo.pdfIn PDF document text
  • https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/2cf89b9b7d283be9b86661dbc103380f/73496686169.pdfIn PDF document text
  • https://bdaudit.ro/userfiles/file/vokukamazerasujumar.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/s9enroh7dvdj87oa4ponvmclg1/zaluzigadolupabugoxaj.pdfIn PDF document text
  • https://dichvumoinoi.com/ckfinder/userfiles/files/91375957047.pdfIn PDF document text
  • https://angelsstaff.com/uploads/file/givixonovuxegod.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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