Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://archism.ru/uplcv?utm_term=tracing+for+kindergarten+pdf PDF link annotation

  • https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/16120a7668374a---tanokenaxetupubosujow.pdfIn PDF document text
  • http://architettotoma.it/userfiles/files/kadomitu.pdfIn PDF document text
  • https://zohopinler.com/calisma2/files/uploads/83731782078.pdfIn PDF document text
  • https://bomberosdenavarra.com/userfiles_nexo/files/27079536872.pdfIn PDF document text
  • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a8046edd73a---fepedijimuxudivabas.pdfIn PDF document text
  • https://otelnamore.com/wp-content/plugins/super-forms/uploads/php/files/ddd9e40150b55c51bd828b264da6d020/21394839553.pdfIn PDF document text
  • http://fese.in/ienupdimages/images/files/47587298042.pdfIn PDF document text
  • http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16074533982936---39100606500.pdfIn PDF document text
  • https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0ba4a550e---midupogawuxikalobarawuti.pdfIn PDF document text
  • http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160798010a5e54---27957589112.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/pulutujep.pdfIn PDF document text
  • http://kme-kme.cz/files/file/totimel.pdfIn PDF document text
  • https://yukkumpulgroup1.com/contents//files/puvel.pdfIn PDF document text
  • https://dansobentre.net/uploads/file/18681957288.pdfIn PDF document text
  • http://sunwisechem.com/Uploadfiles/files/33928103129.pdfIn PDF document text
  • http://yao-cheng.com/uploadfiles/20210826041620.pdfIn PDF document text
  • https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/8fece229aae896084e2cf083ebf0f961/gofeziti.pdfIn PDF document text
  • https://sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/kowokujonofedukupegiduw.pdfIn PDF document text
  • http://xn--90aoj0agf7cq.xn--p1ai/uploads/files/88543508208.pdfIn PDF document text
  • https://faprosid.com/file/41247510866.pdfIn PDF document text
  • https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/711808c399c13d5ce4e01ab4425b5fe5/rigilalupip.pdfIn PDF document text
  • https://hashtag.school/userfiles/file/63891161155.pdfIn PDF document text
  • http://kukubara.com/zdjecia/file/82182287603.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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