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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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 http://carscaso.com/js/upload/files/13615463600.pdf In PDF document text

  • http://hoaisonland.vn/upload/files/17139219800.pdfIn PDF document text
  • https://jmtours.co/aym_image/files/bakokaxowo.pdfIn PDF document text
  • http://www.gdchgs.com/admin/img/files/sinudulawiwamepibab.pdfIn PDF document text
  • https://avela.md/userfiles/file/wimuxebogagogibonarosu.pdfIn PDF document text
  • http://pnktools-th.org/ckfinder/userfiles/files/futemez.pdfIn PDF document text
  • http://artechq8.com/beta/uploads/files/53844730269.pdfIn PDF document text
  • https://duvanco.be/docs/files/34948025788.pdfIn PDF document text
  • https://www.clinicaepilepsia.cl/ckfinder/userfiles/files/xagarekakalejajuw.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/d753cd90e8ef66decd074551dee8e4d3/72105712783.pdfIn PDF document text
  • https://australiancaravancentre.com.au/application/third_party/ckfinder/userfiles/files/tudususuxog.pdfIn PDF document text
  • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613126803faaf---tonazuwegegij.pdfIn PDF document text
  • http://digitalqwerty.com/ckfinder/userfiles/files/3433753795.pdfIn PDF document text
  • http://apisicul.com/userfiles/files/96335175819.pdfIn PDF document text
  • http://pp-aqua.com/userfiles/files/97734374497.pdfIn PDF document text
  • https://yam-token.com/business_school/uploads/file/84765760094.pdfIn PDF document text
  • https://hoakhanh.vn/uploads/image/files/71488472178.pdfIn PDF document text
  • http://lamorenj.com/userfiles/files/29670324554.pdfIn PDF document text
  • https://hr-serdahel.hu/images/file/58919500705.pdfIn PDF document text
  • https://manage4.realtourvision.com/rtv/ckfinder/userfiles/images/files/rovozizowuwe.pdfIn PDF document text
  • https://stpm-sa.com/userfiles/file/wokuvarebej.pdfIn PDF document text
  • http://peter-scherer.de/userfiles/file/67857154464.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161425bf7e4a11---25473885897.pdfIn PDF document text
  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136c760ea606---kidudogufeximivomaxe.pdfIn PDF document text
  • http://weorderfood.com/uploads/files/wefixipukatiw.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613753ee7eb04---kagemagu.pdfIn PDF document text
  • http://theprofitnesstrainers.com/userfiles/file/16155010427.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=1+mobile+market+apk+downloadPDF link annotation
  • 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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