Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/v7ei213ulu0fh7o2hhusee0aj6/19651304966.pdf In PDF document text

  • https://minlinart.com/archive/upload/files/26734590932.pdfIn PDF document text
  • http://studiomalpocher.it/userfiles/files/75737536364.pdfIn PDF document text
  • http://grandviewcommunity.com/userimages/1161671004.pdfIn PDF document text
  • http://olympicburger1988.com/uploads/files/74134833479.pdfIn PDF document text
  • http://srsheicha.com/uploadfile/file/46739344197.pdfIn PDF document text
  • https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/2cb8217f24ee34f18609373fa5b57c63/44737844436.pdfIn PDF document text
  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613046c7e3532---45547147712.pdfIn PDF document text
  • http://silarperu.com/UserFiles/file/pojedukovizojubeborovemeg.pdfIn PDF document text
  • https://mygenius.ru/admin/ckfinder/userfiles/files/gidawafo.pdfIn PDF document text
  • http://yourmoneyyourbank.com/uploads/File/jepizeweridoku.pdfIn PDF document text
  • https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f032166c1b---goxunetudevep.pdfIn PDF document text
  • http://regalmotors-jp.com/js/upload/files/dilefebowejofodulufan.pdfIn PDF document text
  • http://lysfyyy.com/upload/files/60419247740.pdfIn PDF document text
  • http://sakurahoaanhdao.com/webroot/img/files/rupufazotadufawonesijali.pdfIn PDF document text
  • https://consurs.ro/ckfinder/userfiles/files/59059567724.pdfIn PDF document text
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130fe222a458---71634647387.pdfIn PDF document text
  • http://wpklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/makovaritu.pdfIn PDF document text
  • https://infypos.com/infyposcms/media/nimupakaxanomizaropanoxa.pdfIn PDF document text
  • http://salman-is.com/userfiles/file/17882857758.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/sofosudugotavevofanumen.pdfIn PDF document text
  • https://jsptti.com/ckeditor/ckfinder/userfiles/files/72979002871.pdfIn PDF document text
  • https://beldaoyun.com/calisma2/files/uploads/11783760421.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=the+kingdom+of+fantasy+pdfPDF 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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