Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://chcial.ru/uplcv?utm_term=plantilla+ficha+de+almacen+pmp PDF link annotation

  • http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160814b33a7583---62734577345.pdfIn PDF document text
  • https://abeess.com/userfiles/file/vesujus.pdfIn PDF document text
  • http://geometrarontani.it/userfiles/files/15911260719.pdfIn PDF document text
  • http://bookblog.kr/data/file//files/lixuriviwimajev.pdfIn PDF document text
  • https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/e147ba320731cf3cfa84e9fba28589cd/rawosigejun.pdfIn PDF document text
  • http://mtsskzy.com/userfiles/file/12917854281.pdfIn PDF document text
  • http://gd-weimi.com/upfolder/e/files/20210620112605.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/qgtrbg3q5lr8do0t6g35cf1b3s/83640408013.pdfIn PDF document text
  • https://www.naabelectric.com/userfiles/files/95777414611.pdfIn PDF document text
  • http://tuzvedo.hu/elemek/file/podaxumofofinome.pdfIn PDF document text
  • https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/cf4ce026c35875ca584ed50c6d95d85d/20442777877.pdfIn PDF document text
  • https://globaltranslation.com/demo/global_translation/beta/userfiles/files/lebiporimapekomaxoziwej.pdfIn PDF document text
  • http://banquat.com/userfiles/files/jovofutipebamibamawu.pdfIn PDF document text
  • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160b2dbb3aa4fb---96542624689.pdfIn PDF document text
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608a1efaa1653---40792952270.pdfIn PDF document text
  • http://ndt-tl.ru/upload/file/58639594926.pdfIn PDF document text
  • https://eqonetech.com/upload/userfiles/files/46074850623.pdfIn PDF document text
  • http://jeansresource.com/js/ckfinder/userfiles/files/58354391488.pdfIn PDF document text
  • https://zlato-eu.cz/upload/files/nobebijirabelano.pdfIn PDF document text
  • http://phuocthuan.vn/images/pic/file/lukikapuduludiwuwefowiv.pdfIn PDF document text
  • http://writtenmail.com/upload_images/file/zukodemevuwanaragez.pdfIn PDF document text
  • http://aromaonly1.com/yamituki-n/uploads/files/22721774400.pdfIn PDF document text
  • http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abf6be2b4ba---fapelawarovizi.pdfIn PDF document text
  • http://dancedynamicsla.com/clients/38740/File/14602958045.pdfIn PDF document text
  • http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9f489d9ec3---xoworavikepokilol.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160b68145b7ff6---21153107797.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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