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://philabc.ru/uplcv?utm_term=kegunaan+worksheet+dalam+akuntansi PDF link annotation

  • https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/44f021b2e5ebfcc516d32a511823dd6e/pesodajezejirax.pdfIn PDF document text
  • https://dolaodong.com/userfiles/file/boxigosexalo.pdfIn PDF document text
  • http://turnwealthy.com/ckfinder/userfiles/files/voliduvatazerimatuxo.pdfIn PDF document text
  • http://www.ks-zahnarztpraxis.de/upload/files/70433433682.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afcacb0cd74---91638483066.pdfIn PDF document text
  • https://uleshuzataruhaz.hu/files/file/puwenazeka.pdfIn PDF document text
  • https://karolinanowak.com/userfiles/file/tatugamilotimajir.pdfIn PDF document text
  • https://barrierball.cl/ckfinder/userfiles/files/56006370438.pdfIn PDF document text
  • https://c4ir.ae/wp-content/plugins/super-forms/uploads/php/files/v33k3r4kitvkfkqhk9jgkdech6/30980082034.pdfIn PDF document text
  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a0f3733ec5f---lizedekinimikaz.pdfIn PDF document text
  • http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607186fef1d83---molarexogogerebu.pdfIn PDF document text
  • http://sfera-vlad.ru/img/file/roniwobasofusujupix.pdfIn PDF document text
  • http://www.ondebiz.com/userfiles/file/34511927898.pdfIn PDF document text
  • http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608118d2d1fc5---jupotivikoforag.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c8ea4962722---sipogadipowaput.pdfIn PDF document text
  • http://karpatskiles.ru/store/file/47197277404.pdfIn PDF document text
  • http://volvo-cars.jp/js/upload/files/xegap.pdfIn PDF document text
  • http://globalnetworks.de/www.galabau-poscher.de/main/preview/ckfinder/userfiles/files/92480316567.pdfIn PDF document text
  • http://chinazzjx.com/d/files/82600761402.pdfIn PDF document text
  • http://1night2day.com/ckupload/files/defebejalovibisonifexat.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/dfcdc185f257e5f1168a3ed41e403c3e/54577302709.pdfIn PDF document text
  • https://cafesca.info/ckfinder/userfiles/files/25861250114.pdfIn PDF document text
  • https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/a3605f5602d25eafd2c613d9e44df3b1/felebatukox.pdfIn PDF document text
  • http://mackielaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fusalixofaf.pdfIn PDF document text
  • http://apartamentykunickiego.pl/architekci/public/upload/ckfinder/userfiles/files/83546393064.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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