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://philabc.ru/uplcv?utm_term=wireshark+apk+download+for+android PDF link annotation

  • https://www.studiorosaliabusco.it/ckfinder/userfiles/files/34409787003.pdfIn PDF document text
  • http://qualityfirstservices.pro/testingsites/advantage_aviation/assets/media/file/52961338968.pdfIn PDF document text
  • http://www.bluewhaleline.com/image/upload/File/buferijegusatipujifesop.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614177594372f---98904307295.pdfIn PDF document text
  • http://ziva-muzika.cz/files/file/71017763089.pdfIn PDF document text
  • http://elcampoeco.org/FCKeditor/file/38320202253.pdfIn PDF document text
  • http://thrifty-uy.com/files/others/rusorew.pdfIn PDF document text
  • http://pegasomeeting.medcoast.net/ckfinder/userfiles/files/neduxo.pdfIn PDF document text
  • http://www.yeosung21.or.kr/ckfinder/userfiles/files/1631082731.pdfIn PDF document text
  • https://sealskinz.ru/files/file/32491428118.pdfIn PDF document text
  • https://mkontroll.hu/File/xenejufosuxelenozenusi.pdfIn PDF document text
  • http://gaineyranchaz.com/userimages/siseze.pdfIn PDF document text
  • http://sangjeom.com/userfiles/file///92287064683.pdfIn PDF document text
  • http://richmore.kr/uploadfile/fckeditor/file/1411033381.pdfIn PDF document text
  • https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/577mtf34hq0e9qeafs1eob0fb7/kamunapevogipuxikulux.pdfIn PDF document text
  • http://www.martiusstaden.org.br/js/ckfinder/userfiles/files/reguromu.pdfIn PDF document text
  • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16143122c3138e---3469229448.pdfIn PDF document text
  • http://movietek.vn/hinh-anh/files/dapog.pdfIn PDF document text
  • http://as-eng.biz/userfiles/file/43592758306.pdfIn PDF document text
  • http://saigonford3s.com/uploads/2021-09-11/images/files/92710668310.pdfIn PDF document text
  • http://expertsystemgroup.com/file_media/file_image/file/26327384060.pdfIn PDF document text
  • https://www.sexualaufklaerung-schule.ch/ck/ckfinder/userfiles/files/44392264409.pdfIn PDF document text
  • http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612fa6bf09ffe---badogedubumademigulunix.pdfIn PDF document text
  • http://dbexpertise.fr/catalogue_dynamique/file/panugupataxu.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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