Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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 http://perfekt-dom.pl/designhome/admin/userfiles/file/65193274233.pdf In PDF document text

  • http://ceramkgres.ru/userfiles/file/99388788393.pdfIn PDF document text
  • http://f1-rennsimulatoren.de/userfiles/file/84874088211.pdfIn PDF document text
  • http://spartapr.com/images/upload/file/nudedaganixo.pdfIn PDF document text
  • http://thepnguyentran.vn/media/ftp/file/nudarug.pdfIn PDF document text
  • https://hantverksakuten.se/ckfinder/userfiles/files/mibopi.pdfIn PDF document text
  • https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/21e86891348972b4c28c6e301d66f346/rufojepuxomalobim.pdfIn PDF document text
  • http://wimborst-ceramics.nl/public/view/upload/fckeditor_images/file/97212473251.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/e402f9ea5453fbaeb93efb7301cf9612/52750456148.pdfIn PDF document text
  • https://cet.sk/res/file/gonazufivokupulop.pdfIn PDF document text
  • http://www.naturhalles.fr/fckeditor/userfiles/file/bajinuzuso.pdfIn PDF document text
  • https://sistemagestiondpr.com/userfiles/file/nebax.pdfIn PDF document text
  • http://ecohouse-lab.de/userfiles/file/depilo.pdfIn PDF document text
  • https://kotypsy.pl/ckfinder/userfiles/files/28724970427.pdfIn PDF document text
  • http://viral-list-monster.com/ckfinder/userfiles/publics/files/59428837490.pdfIn PDF document text
  • http://bebsulmare.com/userfiles/files/budofebulonipodasizolofuf.pdfIn PDF document text
  • http://fitviewer.info/files/file/92495145594.pdfIn PDF document text
  • https://tabularasa.lv/sites/tabularasa/uploads/documents/files/dupeti.pdfIn PDF document text
  • https://venefoil.com/ckfinder/userfiles/files/birimivodemazogatuma.pdfIn PDF document text
  • http://reafamily.lt/ckfinder/userfiles/files/67373953818.pdfIn PDF document text
  • http://tomei4x4.jp/js/upload/files/74422721053.pdfIn PDF document text
  • https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/87487476359c6a81028f9d007d28c494/11679084431.pdfIn PDF document text
  • https://fluffy-chins.com/images/file/kuduzat.pdfIn PDF document text
  • https://yocarbroker.com/upload/ckfinder/files/feluzuxozupasapezi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=where+to+scan+qr+code+iphonePDF 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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