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://nomylo.ru/uplcv?utm_term=vintage+o%27keefe+%26+merritt+stove+for+sale PDF link annotation

  • http://peach2560.xyz/js/ckfinder/userfiles/files/62843088999.pdfIn PDF document text
  • https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/7ce603ab0be6dec663b3d39aafa1b409/koseraramaxisuveko.pdfIn PDF document text
  • https://corpeverest.com/ckfinder/userfiles/files/34338009120.pdfIn PDF document text
  • http://traviet36.com/upload/files/11729439479.pdfIn PDF document text
  • http://xn--80ahcjevtqq.xn--p1ai/ckfinder/userfiles/files/15888193978.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609e0a5aa1cb8---kigafigasodixe.pdfIn PDF document text
  • http://bilmatbasim.com/userfiles/file/54700295999.pdfIn PDF document text
  • https://hchoanglong.vn/userfiles/file/37757844466.pdfIn PDF document text
  • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/2c8e24mtkn097l155u9ecj14j6/zugirosowefewubixa.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/af6143bace8a6dec49b6046650f76801/93561518547.pdfIn PDF document text
  • https://digireg.se/upload/tokujesevaxofifusepe.pdfIn PDF document text
  • https://lesura.net/userfiles/file/bigubilemibog.pdfIn PDF document text
  • https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/20d4dc54873b7b63475a0efe1204405c/49892717021.pdfIn PDF document text
  • http://shs67classreunion.com/clients/b/bf/bf9552935413f2527bbee995f2dfc9b5/File/tutiju.pdfIn PDF document text
  • https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/1eb8d64f7311665e62fda18b95e19ed7/45625107228.pdfIn PDF document text
  • http://fatamorgana.fr/uploads/assets/file/valikisomakakasuzutesof.pdfIn PDF document text
  • https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a075234e99c---wudaluwurukifirebonojog.pdfIn PDF document text
  • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/215e1b31d82379bec120d91fd9bab074/71447454260.pdfIn PDF document text
  • https://aviseco.ro/userfiles/file/vafeparowi.pdfIn PDF document text
  • http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608c2e9101c79---91378694801.pdfIn PDF document text
  • https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/187e2b4e5b1b4bf496c5a44ab03aa92f/jugezifafid.pdfIn PDF document text
  • http://eca.or.th/ckfinder/userfiles/files/xigekurepanalukip.pdfIn PDF document text
  • https://foulardfotografando.it/file/52685168106.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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