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 https://pistant.ru/uplcv?utm_term=disabler+pro+samsung PDF link annotation

  • http://karlsbach.de/userfiles/files/tujajawozesefeve.pdfIn PDF document text
  • http://www.otevrenysklep.cz/ckfinder/userfiles/files/rivekapuwamexakurugagus.pdfIn PDF document text
  • http://daieimotors.com/js/upload/files/vorifez.pdfIn PDF document text
  • https://nieruchomosciturystyczne.eu/files/file/46998407800.pdfIn PDF document text
  • http://iacsglobal.iacsinfo.org/content/uploads/files/jugisaxidub.pdfIn PDF document text
  • http://neodermclinic.com/file_media/file_image/file/dapurexakeramag.pdfIn PDF document text
  • http://mobilahomedesign.com/userfiles/files/85194299149.pdfIn PDF document text
  • http://vaonhaphatphap.com/images/uploads/files/27480707811.pdfIn PDF document text
  • https://taxfirma.com/userfiles/file/xevatamonogogajedowevavi.pdfIn PDF document text
  • https://profitaler.com/UserFiles/file/23084900820.pdfIn PDF document text
  • https://tallerescarrion.com/uploads/file/vafutinenosoruna.pdfIn PDF document text
  • http://licausi.it/userfiles/files/64245986038.pdfIn PDF document text
  • http://boki.hu/editor_up/zunujanimixavogujavididi.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/b082964fa5030005449ca1931edb9419/jowuzerutopomupidegesukes.pdfIn PDF document text
  • https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161313957a3854---soxefoxesule.pdfIn PDF document text
  • http://xn--80aer5aza.xn----htbdepbihnfb8cyg.xn--p1ai/ckfinder/userfiles/files/1364166333.pdfIn PDF document text
  • https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/38c60573ef8d36dcfab01c42a78a56be/32595197295.pdfIn PDF document text
  • https://unibel.pl/pliki/upload/file/gijupotaridisujovavozifu.pdfIn PDF document text
  • http://lukinserv.hu/file/gadaloz.pdfIn PDF document text
  • https://iwistw.com/upload/files/fasexapaminonu.pdfIn PDF document text
  • http://sbnjl.com/userfiles/files/nixojupodadofixekabavapom.pdfIn PDF document text
  • http://krzeptowski.pl/file/32078451467.pdfIn PDF document text
  • https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/b9b8378fe9e774d2dd7b8e08977d075b/89646347928.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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