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://smidgel.ru/uplcv?utm_term=play+store+app+load PDF link annotation

  • https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/7fabcd42d391887e05207b917dfc57f9/xumagemiko.pdfIn PDF document text
  • http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/16137049aea939---bowiv.pdfIn PDF document text
  • http://marchmontnews.com/imgs/file/vufezuxikifogabomo.pdfIn PDF document text
  • https://chandrakantmusicacademy.org/ckfinder/userfiles/files/50053730455.pdfIn PDF document text
  • https://dulsuc.cl/userfiles/file/wezekinulelepatubuwo.pdfIn PDF document text
  • http://sk-uralstroy.ru/uploads/files/rumojiwuparokojewiwuf.pdfIn PDF document text
  • http://solarissoft.com/img/userfiles/files/15004368177.pdfIn PDF document text
  • http://struttur-arch.it/userfiles/files/31529720424.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/f61f219bcf9e8a020ae6de63b6868707/sexuxem.pdfIn PDF document text
  • https://footballsod.com/images/ck-uploads/files/galurikibefij.pdfIn PDF document text
  • http://rajasthanmetals.com/userfiles/file/87181947253.pdfIn PDF document text
  • http://bisenzia.it/userfiles/files/99880865589.pdfIn PDF document text
  • http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ba8ce0f35c---28149349158.pdfIn PDF document text
  • http://www.ernakulamarchdiocese.org/www/js/ckfinder/userfiles/files/dejokogajinulude.pdfIn PDF document text
  • http://samtekelektrik.com/files/96466119355.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16137fafc839d4---88699409311.pdfIn PDF document text
  • http://newgoodluckcrane.com/admin/uploadfiles/file/fadunuvelukaxalunegod.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/73a05da090c69c49cec2bc6ad31bd5fb/bimevefosukewadumixulasu.pdfIn PDF document text
  • http://qkmedica.com/uploads/userfiles/file/56305319317.pdfIn PDF document text
  • http://xn--2-140-swe8h.xn--p1ai/files/14423989914.pdfIn PDF document text
  • http://alimentosldm.com/userfiles/file/39292354258.pdfIn PDF document text
  • http://ryouhurt.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fadez.pdfIn PDF document text
  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130c57e427cc---97576681445.pdfIn PDF document text
  • http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/b003d8ba26d15dacba8e50282bdcc677/motasire.pdfIn PDF document text
  • http://hysansam.com/fckeditor/userfiles/image/60246233800.pdfIn PDF document text
  • http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/d45209f8d6583ed169c80db338eabb0a/wuwoxina.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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