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://smidgel.ru/uplcv?utm_term=use+case+diagram+for+android+application PDF link annotation

  • http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/78349a3f8da27a1f1d05a1dd15016524/85134614708.pdfIn PDF document text
  • https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/21c590c3151027d2119c1b8e4b6df9c1/nigotirogoxipuxeragokiguj.pdfIn PDF document text
  • http://dijladentalcenter-qa.com/userfiles/file/50812878427.pdfIn PDF document text
  • https://fajndoktor.cz/images/file/files/79626501743.pdfIn PDF document text
  • http://networkinglikepro.com/ckfinder/userfiles/files/wowesamozebodogifunipawud.pdfIn PDF document text
  • http://roosprommenschenckelfoundation.nl/userfiles/file/roroba.pdfIn PDF document text
  • http://qiangka.com/ckfinder/userfiles/files/zarodofizizevamudanota.pdfIn PDF document text
  • http://jyjwqj.com/uploadfile/file///2021091309043337.pdfIn PDF document text
  • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1612f9cf01f5b9---51999427730.pdfIn PDF document text
  • https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133c10e2ce68---30999355094.pdfIn PDF document text
  • https://jechrina.gr/FCKeditor/userimages/file/lunaviwebosubivase.pdfIn PDF document text
  • http://machi-tomo.xyz/js/ckfinder/userfiles/files/3728753067.pdfIn PDF document text
  • http://maynenkhipuma.vn/quangbasanpham/app/webroot/upload/image/files/3218345018.pdfIn PDF document text
  • https://haidangpc.com/contents/files/lafebexetofusezir.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613ed0f96cf3b---66258087495.pdfIn PDF document text
  • https://www.sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/jirovix.pdfIn PDF document text
  • https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/8c35bfb7012b9b08c7ef9745b49a0f9c/77204939775.pdfIn PDF document text
  • http://reclameindex.nl/images/uploads/83046270581.pdfIn PDF document text
  • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613eca1278ee0---39377819847.pdfIn PDF document text
  • http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140f06f3efba---zadurifolatubonopoguz.pdfIn PDF document text
  • http://adhdesign.de/userContent/files/20210906152945-birerub.pdfIn PDF document text
  • https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/d45ec84305e99cbf572abdff61a3b08b/muxerukedijuware.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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