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://allytemp.ru/uplcv?utm_term=como+poner+teclado+iphone+en+android PDF link annotation

  • https://latgalesamatnieki.lv/files/file/65321605950.pdfIn PDF document text
  • http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136b9e40a066---rinonupizonep.pdfIn PDF document text
  • https://euronet.stonavka.cz/webpagebuilder/ckfinder/userfiles/files/23780616614.pdfIn PDF document text
  • https://doan295doson.vn/namthuan/images/news/files/97304743860.pdfIn PDF document text
  • http://chono.mn/uploads/userfiles/files/xirixilorejeve.pdfIn PDF document text
  • https://mehreganimaging.ir/images/upload/files/47633833170.pdfIn PDF document text
  • http://liebherr-tr.com/userfiles/file/70206577829.pdfIn PDF document text
  • https://www.theknowledgeonline.com/files/lib/ckfinder/userfiles/files/13226541276.pdfIn PDF document text
  • http://seritour.com/rsm/files/54480207197.pdfIn PDF document text
  • http://hebammenglueck.de/ckfinder/userfiles/files/63257487147.pdfIn PDF document text
  • https://shinaltd.ru/images/file/tovenod.pdfIn PDF document text
  • https://www.ventisilva.com.br/ckfinder/userfiles/files/27089096257.pdfIn PDF document text
  • http://dellalontra.it/userfiles/files/fezifudi.pdfIn PDF document text
  • https://qwert5.com/psum/admin/userfiles/file/24810473560.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/t1uehhc84fvkj8nsfeibor9g14/kefuduvivivevu.pdfIn PDF document text
  • https://wupaojichangjia.com/d/files/17213901381.pdfIn PDF document text
  • https://www.barefoothoa.com/webroot/js/ckfinder/userfiles/files/47472010387.pdfIn PDF document text
  • https://charterfori.ir/basefile/charterforiir/files/fojuxin.pdfIn PDF document text
  • http://nataliashishkina.com/userfiles/file/padakoreroze.pdfIn PDF document text
  • http://tribo.kz/userfiles/File/xemesizezuxodusogiw.pdfIn PDF document text
  • https://avukatwebsitesi.trakyasoft.com/upload/files/dagususigokelazofij.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614387c107e63---ruburidotuwewajadikun.pdfIn PDF document text
  • http://pyramidplaster.com/file_media/file_image/file/13349742944.pdfIn PDF document text
  • http://modamoda.nl/uploads/pic_lib/file/68074088181.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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