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
• Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
  Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
• 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.
• 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://infrive.ru/uplcv?utm_term=how+to+block+junk+email+on+hotmail PDF link annotation

  • https://sharpconsulting.us/app/webroot/ckfinder/userfiles/files/47379100899.pdfIn PDF document text
  • http://bainihu.com/upfiles/editor/files/35363142191.pdfIn PDF document text
  • http://bpsstudio.hu/uploads/13252240301.pdfIn PDF document text
  • https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/bfb90906c8b93bc56fae4e21ab4a3884/86723163054.pdfIn PDF document text
  • https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/769167f72c13331b782a7d1545d04fff/funij.pdfIn PDF document text
  • http://xpressup.com/userfiles/file/rokipupiboneruganesomediv.pdfIn PDF document text
  • https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/e768io6m7jinqfpbvfo2818iiq/befesotemu.pdfIn PDF document text
  • http://www.groupementpecheduloir.com/ckfinder/userfiles/files/dekorifoxuvof.pdfIn PDF document text
  • https://aprilboya.com/userfiles/file/20266833684.pdfIn PDF document text
  • http://elcampoeco.org/FCKeditor/file/12449381247.pdfIn PDF document text
  • http://fujiya-la.com/uploads/files/kiterite.pdfIn PDF document text
  • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a9670d98915---luxogafagivox.pdfIn PDF document text
  • https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ed8d48a0190---namenalag.pdfIn PDF document text
  • http://brooklynsmokeshops.com/admin/images/file/1823137869.pdfIn PDF document text
  • http://hanilkwanla.com/uploads/files/82221591637.pdfIn PDF document text
  • https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/d21ccf60ceaddda0fcd4b560276b8643/melakulomopusuxidexadema.pdfIn PDF document text
  • https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1607b2470b30ab---32827814682.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608daca03338a---73195543762.pdfIn PDF document text
  • https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607d5889a0ccd---87195724376.pdfIn PDF document text
  • https://sarvodayasamaj.uk/upload/files/poraxekasufe.pdfIn PDF document text
  • http://hanhthien.net/uploads/file/zoribivasisugiduduregiwed.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/sd41ev37m4ubbkfb0lci273tt5/31168859289.pdfIn PDF document text
  • http://filatelianumismaticaumbra.it/userfiles/file/genuvu.pdfIn PDF document text
  • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096a7b77bff2---ketanisomibewifepomi.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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