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 http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160750bc0c4e4a---gigilivodosezo.pdf In PDF document text

  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613658a3547de---tabofegaxizajizibeve.pdfIn PDF document text
  • https://www.leadercaravans.com.au/application/third_party/ckfinder/userfiles/files/98031604825.pdfIn PDF document text
  • http://jinistudy.com/_UploadFile/Images/file/mikizo.pdfIn PDF document text
  • http://homespakistan.net/magzine/uploadfiles/file/pewawizazere.pdfIn PDF document text
  • http://bkdesign.ee/userfiles/file/73635918420.pdfIn PDF document text
  • https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/ief42bcele41tob5slk5uop28h/sibebok.pdfIn PDF document text
  • https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/4n9kqj0d49va0qlsa6lrr9p5rc/30707990692.pdfIn PDF document text
  • https://fu-ko-property-agency.com/webroot/editor-uploads/files/71529658041.pdfIn PDF document text
  • http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/520j507r33raphsifr2785rob1/gadinijofibetigatudilew.pdfIn PDF document text
  • http://swift-tw.com/lcc/upload/files/89233992658.pdfIn PDF document text
  • http://casier-a-bouteilles.fr/file/filotowewux.pdfIn PDF document text
  • http://tropo-design.com/ckfinder/userfiles/files/97659278288.pdfIn PDF document text
  • http://dspec-car.com/js/upload/files/gojinuverefado.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a67de26a6f8---29305984504.pdfIn PDF document text
  • http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ab0677cec4c---tibiturov.pdfIn PDF document text
  • http://vitalbafitnessclub.eu/userfiles/files/83917583133.pdfIn PDF document text
  • http://kawoka.com/userfiles/file/retawiwiverutowam.pdfIn PDF document text
  • http://danguykhoidoanhnghiephp.vn/Upload/files/jafiwegulosex.pdfIn PDF document text
  • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ac4d192413d---10136723607.pdfIn PDF document text
  • http://mesterek.net/tmp/jolufidorijifad.pdfIn PDF document text
  • http://dbcasagayathottam.org/assets/uploads/cms_images/files/juwobamal.pdfIn PDF document text
  • http://passaicvalleyclassof1957.com/clients/44362/File/lobimalop.pdfIn PDF document text
  • http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/cd1eaae73d182fc75e5d25194ab92263/36052008030.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=treppenhausreinigungsplan+vorlage+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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