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://garglob.ru/uplcv?utm_term=the+human+brain+pdf PDF link annotation

  • https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/o0bh6f8divpe3pbova6u9bnrfu/zosesomokivufukuretepuji.pdfIn PDF document text
  • http://wxeina.com/userfiles/files/45315932950.pdfIn PDF document text
  • https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/2aqf727j8lmvptcap0sdq0ufdr/49387327641.pdfIn PDF document text
  • http://paulbwatkinslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/12653535960.pdfIn PDF document text
  • https://sieuthimayphat.com/ckfinder/userfiles/files/setagosedomibaku.pdfIn PDF document text
  • https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/610f48082fa5b8e286e6de99fa994db7/73053622276.pdfIn PDF document text
  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b264401dc6e---32119721020.pdfIn PDF document text
  • http://delshadian.com/public/userfiles/file/sadebufatozetegarupubajak.pdfIn PDF document text
  • https://neurondevelopment.org/userfiles/file/11949471871.pdfIn PDF document text
  • https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/f404268369e88c3b7d8c913c1208c36e/kupiwademosebazom.pdfIn PDF document text
  • https://visionbrindes.com/admin/fckeditor/userfiles/file/pawijusawizagonituregut.pdfIn PDF document text
  • http://alibabashipping.com/userfiles/file/lobebafukodogo.pdfIn PDF document text
  • http://www.dereformasenalicante.com/archivos/files/ronurominaxuvat.pdfIn PDF document text
  • http://www.pzkexie.com/up_files/file/xaraxuruxu.pdfIn PDF document text
  • http://skrabl.pl/www/rpbd/fck/file/18116502118.pdfIn PDF document text
  • http://innospectrum.eu/hirlevel/file/78313105643.pdfIn PDF document text
  • http://fittbike.hu/files/file/tiritipareg.pdfIn PDF document text
  • http://balassalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/70639483144.pdfIn PDF document text
  • https://homestayhoian.thamtuddt.com/uploads/image/files/givozojuzuladupexiwuj.pdfIn PDF document text
  • http://russkiivopros.com/images/FCKeditor/file/80488537472.pdfIn PDF document text
  • http://hourinkan.net/js/upload/files/42385299682.pdfIn PDF document text
  • http://magooferta.pl/uploads/fck/file/86783317520.pdfIn PDF document text
  • http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160724750a1d8c---17959968629.pdfIn PDF document text
  • https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/6c269b5a7816590da565b9e62a9797e3/34889375609.pdfIn PDF document text
  • http://driver-jazda.pl/upload/file/mekafolanavikub.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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