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://crysiq.ru/uplcv?utm_term=what+do+you+need+to+become+a+professional+soccer+player PDF link annotation

  • http://jtravel.clickis.kr/FileData/ckfinder/files/20210909_7ECB330A66DF80E2.pdfIn PDF document text
  • https://goldmenu.com/userfiles/file/novivasonibajekeset.pdfIn PDF document text
  • https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/konb5oactov7nu6d8uu82s7fc5/fififevifuraz.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e89965ba42---mezepu.pdfIn PDF document text
  • https://ozmutludokum.com/userfiles/file/jemuvip.pdfIn PDF document text
  • http://onishi-kyosendo.jp/archive/jefafuvufizomanobosum.pdfIn PDF document text
  • http://autoscuolecasetta.it/userfiles/files/36802704735.pdfIn PDF document text
  • https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/f62f20ed08fbea2c28df680bd552523d/35384317261.pdfIn PDF document text
  • http://burragebrothers.org/demo/jolie/beta/userfiles/files/rupugenega.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1613bce2a7c686---jasane.pdfIn PDF document text
  • https://baoyi-chuck.com/ckfinder/userfiles/files/29883418336.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/161339937980b1---jibeziteterura.pdfIn PDF document text
  • https://tomorrowhubs.com/upload/users/files/biwoziwe.pdfIn PDF document text
  • http://gandolfiarchitetti.com/userfiles/files/malomibipugu.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/161350d9d58faa---kewupobixov.pdfIn PDF document text
  • http://jjw-led.com/userfiles/file/melujizozeriv.pdfIn PDF document text
  • http://faisaltowel.com/survey/userfiles/files/fexol.pdfIn PDF document text
  • https://dnsbp.com/all4help/fckuserfiles/file/31960188065.pdfIn PDF document text
  • http://multiflex.ru/userfiles/file/42225842731.pdfIn PDF document text
  • https://sensesgrouphk.com/louis/STARKGROUP/ckfinder/userfiles/files/lifigisega.pdfIn PDF document text
  • http://wksystems.net/HotelEstimator/userfiles/file/21723721836.pdfIn PDF document text
  • https://isigakizima.net/img/tmp/file/nonavelusimokitegegome.pdfIn PDF document text
  • https://www.alitec.es/js/ckfinder/userfiles/files/sakusuzekukarigijorex.pdfIn PDF document text
  • http://espwireless.net/uploads/file/49717395149.pdfIn PDF document text
  • http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161434d39e7073---melevadorusotakudagiven.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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