Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://nomylo.ru/uplcv?utm_term=dailyroads+voyager+android+app PDF link annotation

  • http://bkht.vn/userfiles/file/44904520578.pdfIn PDF document text
  • https://somos.co/dleyes/admin/fotos/file/diferefuvixizegabatur.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/1lctiap7rg65jdogcj7emtmi43/nixititazawivagakawir.pdfIn PDF document text
  • http://ventiliatoriai.lt/js/ckfinder/userfiles/files/norizirol.pdfIn PDF document text
  • http://cetis156.neutronds.com/assets/js/ckfinder/userfiles/files/xekaxigizinovabuxo.pdfIn PDF document text
  • http://mamaskitchenorder.com/uploads/files/91584265488.pdfIn PDF document text
  • http://omeofest.eu/userfiles/files/sezutivarizisila.pdfIn PDF document text
  • https://asiahealthcaredentalcentre.com/ckfinder/userfiles/files/69003520629.pdfIn PDF document text
  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16151b0de8769b---18272326063.pdfIn PDF document text
  • https://ww150001.linebot.net/upfile/files/20210902072249.pdfIn PDF document text
  • https://xn----8sbcehyodmtf1czh.xn--p1ai/userfiles/file/jireworowuso.pdfIn PDF document text
  • http://nfraccon.org/userfiles/file/36706816299.pdfIn PDF document text
  • https://morganmethod.com/ci/userfiles/files/13157672553.pdfIn PDF document text
  • http://labradory.pl/file/78822295028.pdfIn PDF document text
  • http://acecaalcoy.com/userfiles/file/13851139009.pdfIn PDF document text
  • https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613b41b7b888f---giforezosiretimivi.pdfIn PDF document text
  • http://cs-web-design.de/ablage/userfiles/files/81586138631.pdfIn PDF document text
  • https://davnosti.ru/upload/96256732653.pdfIn PDF document text
  • https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/161498fe5eb244---purafajoluxezawasoten.pdfIn PDF document text
  • http://masonhn.com/d/files/2442870845.pdfIn PDF document text
  • https://medbillings.us/lightspeedweb1/file/xubowujopawaxifudepi.pdfIn PDF document text
  • http://www.og2c.com/images/file/42975629838.pdfIn PDF document text
  • http://christopherdallo.com/file/loburetodexokazu.pdfIn PDF document text
  • http://elfast.ru/userfiles/file/romadiketikuju.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16149156e7454a---4916307459.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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