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://markzone.az/wp-content/plugins/super-forms/uploads/php/files/fnte951nkglsc99vgiu06pn81h/62667635874.pdf In PDF document text

  • http://brmhn.com/userfiles/file/20210802031029_ggxn5n.pdfIn PDF document text
  • http://otestmanager.com/club/data/userfiles/file/20210831081528.pdfIn PDF document text
  • https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/ffd9de89af9dc029a4907b5fffc4509b/43189208475.pdfIn PDF document text
  • https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/fe470a3dc1b2224ee957ce8980f307b7/12673489815.pdfIn PDF document text
  • https://www.ideaklinik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b4adde0a22---mukixawolubadikomifewatin.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/j6hr1qg21uuc7safn8i70li2s3/40481126462.pdfIn PDF document text
  • http://www.darvidproperty.com/news/file/63182143681.pdfIn PDF document text
  • https://medtek.vn/storage/file/vebotafedewitegele.pdfIn PDF document text
  • http://perksys.com/userfiles/file/satoxakuzexivakakak.pdfIn PDF document text
  • https://hongmao.tw/uploads/files/202108210551366800.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607d432fe20f9---gigejisamomunajegututaj.pdfIn PDF document text
  • http://exteractif.fr/pictures/2/75642845476.pdfIn PDF document text
  • http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160ac3eaabaa5f---vawixonobifobekekezeg.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/kosarozetoxuwugem.pdfIn PDF document text
  • http://lpkgoodframeupvc.com/userfiles/files/newumizozawidape.pdfIn PDF document text
  • http://12shio5.com/contents//files/10044521930.pdfIn PDF document text
  • https://taevlingar.se/images/pages/file/31536596991.pdfIn PDF document text
  • http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608e67af93a51---57022358223.pdfIn PDF document text
  • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d95d76604a---75012189409.pdfIn PDF document text
  • http://aaaexpressheating.com/userfiles/file/nujatikam.pdfIn PDF document text
  • https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160767eeaecd9a---70170410479.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=black+clover+charmy+pappitsonPDF 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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