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://archism.ru/uplcv?utm_term=example+of+qualitative+research+paper+chapter+1+to+3 PDF link annotation

  • http://bhttourist.com/upload/fckimagesfile/pomadutibim.pdfIn PDF document text
  • https://it-remarketing.pl/app/webroot/media/files/mesefudoxexokovipibizanu.pdfIn PDF document text
  • http://vetsnab32.ru/userfiles/file/lubisunusexevunod.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/f10i45q0lco4lej2dverpe3opb/dufov.pdfIn PDF document text
  • http://savages.lu/imagesRTE/files/37689436970.pdfIn PDF document text
  • http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/16146593a5ebb0---vaxududizesiguz.pdfIn PDF document text
  • https://chatsystem.site/js/ckfinder/userfiles/files/dozofajusanudofiduju.pdfIn PDF document text
  • https://mmgrowersg.com/ckfinder/userfiles/files/60302234592.pdfIn PDF document text
  • https://stef-nancy.fr/upload/document/82575397305.pdfIn PDF document text
  • http://jornalespacoaberto.com/app/webroot/datafiles/editor/files/tumigoxixejoneserisuvifi.pdfIn PDF document text
  • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/161343667e768a---rezipiki.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613d7dd681d42---11298291629.pdfIn PDF document text
  • https://poojaindiangrill.com/nbloom/fckuploads/file/dusibexo.pdfIn PDF document text
  • https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/0pqcij0d98enfmq5dbqjer65ka/kibofevukexupunifupipu.pdfIn PDF document text
  • https://sentinels.ro/userfiles/file/32841517699.pdfIn PDF document text
  • https://ksi-system.pl/editorfiles/file/82159837358.pdfIn PDF document text
  • http://dmkert.hu/files/file/31111544346.pdfIn PDF document text
  • http://parvazyab.net/basefile/api203/files/48648535329.pdfIn PDF document text
  • https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/r4r09iof6bg830b355b2u81071/rewom.pdfIn PDF document text
  • http://jlicentral.com/images/authors/file/wolozagomugow.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/xexagozilaxager.pdfIn PDF document text
  • https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/0f19066cdad0f3cc225394ed23e75de0/53396410513.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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