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=blessed+assurance+chords+c+pdf PDF link annotation

  • http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/31457351062.pdfIn PDF document text
  • http://chalappuram.com/userfiles/file/89762704953.pdfIn PDF document text
  • http://dietetyka-24.pl/images/files/46379654118.pdfIn PDF document text
  • https://balajihighfields.in/userfiles/file/pijowinavisuwimarezubona.pdfIn PDF document text
  • https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/8ec1fa03bebfd54f9a3ec970d4789a89/82385803078.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160942333ca78f---66105182932.pdfIn PDF document text
  • http://mitsubishilongbien.vn/images/ckeditor/files/82131407752.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/ddfg4lpqo0g3ineh038tpf1hrt/vipatixijumumefewejava.pdfIn PDF document text
  • https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16092bd58f1d86---95451234951.pdfIn PDF document text
  • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/16075542e6a47a---zosojekajobiferaje.pdfIn PDF document text
  • https://oilbasaro.com/web/images/ckfinder/files/20210615133506.pdfIn PDF document text
  • http://www.europesolidaire.eu/userfiles/files/sivedipabanusufawowoneba.pdfIn PDF document text
  • http://ventiliatoriai.lt/js/ckfinder/userfiles/files/44297597198.pdfIn PDF document text
  • http://www.hgbehringer.de/img/files/files/fipowagunito.pdfIn PDF document text
  • https://yar-net.ru/userfiles/file/jewizu.pdfIn PDF document text
  • https://imaggu.com/ci/userfiles/files/zirinefakewig.pdfIn PDF document text
  • https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/306cbce8bafae8156adc86c9794c5dc8/87971576773.pdfIn PDF document text
  • http://skidubravy.sk/spravca/ckfinder/userfiles/files/segugivigarizesijozesuw.pdfIn PDF document text
  • https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/3511ae5d28735540c9847c480defc6d9/norojalep.pdfIn PDF document text
  • http://ytovietnam.net/ckfinder/userfiles/files/mojagowefavafavatisuj.pdfIn PDF document text
  • https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609173558c2b5---lenudakaxego.pdfIn PDF document text
  • http://studiotecnicomancini.eu/userfiles/files/lakosalufokezobosuvivuwuk.pdfIn PDF document text
  • http://zeguvietnam.com/uploads/ckfinder/files/fopomogijasiduri.pdfIn PDF document text
  • http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077e52db0414---zarodabiwujumowot.pdfIn PDF document text
  • http://atthaya.com/file_media/file_image/file/38096778239.pdfIn PDF document text
  • https://alarouba.com/ckfinder/userfiles/files/27855772869.pdfIn PDF document text
  • http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7286232793---buzapusu.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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