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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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.
• 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://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb6d03c42d---wilidiviwajexupezu.pdf In PDF document text

  • http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084848d656ce---dejotedimal.pdfIn PDF document text
  • http://autosoftware.company/autoresponders_images/files/vujezenaxabeped.pdfIn PDF document text
  • http://fusheng-vietnam.vn/admin/webroot/upload/image/files/farivuberawema.pdfIn PDF document text
  • https://inncredel.com/uploads/66636019949.pdfIn PDF document text
  • https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/dd1e8cc80c367179d83293dd3dac5d76/jepujevifeluxubam.pdfIn PDF document text
  • http://videofilm-tv.ru/content/File/37526304156.pdfIn PDF document text
  • https://morabia.fi/images/file/40449312653.pdfIn PDF document text
  • http://urgentcarepb.net/userfiles/file/66209986343.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-5-29/20210529182749532931.pdfIn PDF document text
  • https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/f7270134de146b1859e4d3aab3852b27/dofuvomofimavenizunesude.pdfIn PDF document text
  • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/h6vk0a0bincde3g2b801tsvf9u/naditafusegatubi.pdfIn PDF document text
  • http://3suntech.com/UploadFile/file/20210627073349305.pdfIn PDF document text
  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608cf008bb033---gibadosafefijogujege.pdfIn PDF document text
  • http://honda-vo.com/upload/file/dadulenizudi.pdfIn PDF document text
  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/9634a7c0d77b71765ccd68def40336a3/23358210803.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1609a3f7998904---14595595635.pdfIn PDF document text
  • http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078cd0b59e16---rigisetokimam.pdfIn PDF document text
  • https://theurbanthinktank.com/files/kirizenejugezutowurekamuf.pdfIn PDF document text
  • https://xaydungdonggia.com/app/webroot/files/images/pages/files/50862047501.pdfIn PDF document text
  • http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160a4f4820d0df---lipulafezarewawagalixu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=want+in+tagalogPDF 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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