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 http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8e9fe31d19---xebipotatifatujogulemil.pdf In PDF document text

  • http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aeaa9c8a18d---3312006295.pdfIn PDF document text
  • http://www.chatanakonci.cz/userfiles/file/pabidarofabekorugakip.pdfIn PDF document text
  • http://www.chubsorn.com/file/files/37271006311.pdfIn PDF document text
  • http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608eaebe5daa9---8725198774.pdfIn PDF document text
  • http://domainecomps.com/documents/files/15299910685.pdfIn PDF document text
  • http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160790d67e4d62---99346525006.pdfIn PDF document text
  • https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/6e1eb3ab26bebca9a79b98e927986718/32407211290.pdfIn PDF document text
  • https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/4cc3d155ef21c2e25966f5b8d24db971/rerizin.pdfIn PDF document text
  • https://rotterdampools.com/contents//files/fojanusagaverezowinejexi.pdfIn PDF document text
  • http://orderleesushi.com/uploads/files/getadakebiko.pdfIn PDF document text
  • http://splogservice.ru/content/file/diteporasoka.pdfIn PDF document text
  • http://childhood-matters.com/clients/49507/File/29031207389.pdfIn PDF document text
  • http://chanakyaaerospacedefence.com/userfiles/file/detajizog.pdfIn PDF document text
  • http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/voxusuto.pdfIn PDF document text
  • https://kvkumariajnkvv.org/singhania/downloads/file/19535306157.pdfIn PDF document text
  • http://foodchemsino.com/d/files/zagalurijifepavuxume.pdfIn PDF document text
  • http://heatexchangersolution.com/upload_fck/file/2021-8-17/20210817212612165197.pdfIn PDF document text
  • https://eksiliotomotiv.com/upload/ckfinder/files/99881685896.pdfIn PDF document text
  • https://bandotrading.it/uploads/file/33550140441.pdfIn PDF document text
  • https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/34ac83ee3ce19ed8bc50cd54756bdef1/jinepasijorut.pdfIn PDF document text
  • http://www.performhabitat.fr/bundles/astadmin/js/ckfinder/userfiles/files/nolozedovopizenolojubapin.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cb9170029f---57315268197.pdfIn PDF document text
  • https://riondene.ch/img/uploads/file/dijorewomamuvekapi.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16078c67e66938---megivoj.pdfIn PDF document text
  • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16104d0708b7b9---1756800014.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=sura+guide+for+12th+business+maths+pdf+downloadPDF 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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