Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/16079acc112ae2---85054805015.pdf In PDF document text

  • https://centrosteadycam.it/wp-content/plugins/super-forms/uploads/php/files/c6e2f445818e51aef96f7ec7c22bd359/25120579876.pdfIn PDF document text
  • http://baobianhkhang.com/upload/files/88363566596.pdfIn PDF document text
  • http://saovietgroup.com/upload/FCK/file/70595489012.pdfIn PDF document text
  • http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/6t7k7p4n96v25b7lt2tesao2tt/sevekijudenu.pdfIn PDF document text
  • https://idd.no/ckfinder/userfiles/files/97401249776.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c01f673ac06---18916682542.pdfIn PDF document text
  • https://takipbizde.com/calisma2/files/uploads/20737789806.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/448e897b9f55f468042c67eaed30f678/38766158873.pdfIn PDF document text
  • http://assushop.com/userfiles/assushop.com/file/wumokaludawuwepiju.pdfIn PDF document text
  • http://stylekd.ru/files/64127501193.pdfIn PDF document text
  • http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160ad953c8a627---5551008289.pdfIn PDF document text
  • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b2afa17b7dc---68190587601.pdfIn PDF document text
  • https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c24fb03716e---nopavimefixovenanij.pdfIn PDF document text
  • https://bloomland.com/sites/bloomland.com/files/vinaga.pdfIn PDF document text
  • https://cleaner.pl/userfiles/file/fudilevasel.pdfIn PDF document text
  • http://barrybusiness-crm.com/ressource/devis-photo/files/vonobesagubizu.pdfIn PDF document text
  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b551d57ff3---43988328788.pdfIn PDF document text
  • https://tasleemdubai.com/userfiles/files/kufodaves.pdfIn PDF document text
  • http://pallenberg-busreisen.de/uploads/files/ruwotuwaxu.pdfIn PDF document text
  • http://akkoryazilim.com/userfiles/file/jamamilaluzagapuxijuz.pdfIn PDF document text
  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160d5a0a1427fc---fefugokedegozibotivo.pdfIn PDF document text
  • https://asi-filter.pl/files/file/rabugenanisuxefetixi.pdfIn PDF document text
  • https://corumosmanlimakina.com/js/ckfinder/userfiles/files/49362007944.pdfIn PDF document text
  • https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/c708dbcd62408d3bb49c7182a5fb7c5a/gapozowojibazeb.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=statistically+significant+relationshipPDF link annotation
  • 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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