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 https://krisoc.ru/uplcv?utm_term=narodna+muzika+mp3+download+besplatno PDF link annotation

  • http://www.schule.havonix.com/ckfinder/userfiles/files/nudodutufu.pdfIn PDF document text
  • http://cpspcb.com/uploads/files/xoziwavulerujegifira.pdfIn PDF document text
  • http://modnyi-buket.ru/uploads/files/72641374096.pdfIn PDF document text
  • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608747065fbaa---sozulojepakumi.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16094ad704e5ba---vuzurigewaguzu.pdfIn PDF document text
  • https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/fea39401c70979216a28084441475a90/25583705907.pdfIn PDF document text
  • http://verdantnorwich.com/clients/3/30/306756bb587dffcd11ca74610d845a16/File/fagoragotunirovorida.pdfIn PDF document text
  • https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/d1ktkkuuiu31du4pts3ub1anvs/xexumedifabulilebifuju.pdfIn PDF document text
  • http://thedreaminitiative.org/Content/Admin/uploads/files/43071138041.pdfIn PDF document text
  • http://kwiatmetal.pl/userfiles/file/71320001434.pdfIn PDF document text
  • https://haltia.mx/sii/ckfinder/userfiles/files/larovedemal.pdfIn PDF document text
  • http://hz-karavany.cz/ckfinder/userfiles/files/34331580624.pdfIn PDF document text
  • https://n-zvuk.ru/upload/file/noxetozorugazutorukemab.pdfIn PDF document text
  • http://ehhs1969.com/clients/6/67/67a0fa02f482ea8575b7cec7429e43a8/File/50362377556.pdfIn PDF document text
  • https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/228fff8f9da9eb3b288f2275234bf426/94330741645.pdfIn PDF document text
  • http://china-zzld.com/uploadfile/file///2021070221195525.pdfIn PDF document text
  • https://vansuloi.com/uploads/userfiles/file/6370086798.pdfIn PDF document text
  • http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e1e5f524eb---14254280703.pdfIn PDF document text
  • https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/k6hb3h77h1pdlnn231ga0iv847/19643320828.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/fc9t670p49l8ir8ln6k76373g5/20394675052.pdfIn PDF document text
  • http://hourinkan.net/js/upload/files/xuzexisugeg.pdfIn PDF document text
  • http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/f7g6khueq7tsogbiib094knqo6/43252500362.pdfIn PDF document text
  • http://intemhathanh.com/img_duhoc/files/zugodurov.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608174ef1b08c---94217544928.pdfIn PDF document text
  • http://joeun-it.com/userData/board/file/kasezuminu.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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