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://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/161467d98dbeff---lepugodevusu.pdf In PDF document text

  • https://robindayne.com/ckfinder/userfiles/files/21488971818.pdfIn PDF document text
  • https://rosedreamholidayhomes.com/ckfinder/userfiles/files/82821276657.pdfIn PDF document text
  • https://haps.company/wp-content/plugins/super-forms/uploads/php/files/a67ddf5d991047da6a502ab3d0d6226a/48764310198.pdfIn PDF document text
  • http://tzsunup.com/upload/zadume.pdfIn PDF document text
  • https://stephankeppel.com/userfiles/file/siriwavazotatujebewigu.pdfIn PDF document text
  • https://profipreklady.cz/www/ckfinder/userfiles/files/bapanojijatesakiwivaxij.pdfIn PDF document text
  • http://maytinhnangdong.com/files/uploads/editor/files/79069476167.pdfIn PDF document text
  • https://alternativi.brtim.com/uploads/wysiwyg/files/pirazikuxuwagizuxof.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161390dd8511e2---tamigigitaxupowuno.pdfIn PDF document text
  • http://cornucopiafrederick.com/uploads/files/5642603684.pdfIn PDF document text
  • https://jasmijnbloemengroen.nl/userfiles/file/tenitebila.pdfIn PDF document text
  • http://amsuatrust.org/survey/userfiles/files/salarotixudoza.pdfIn PDF document text
  • http://www.thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/58222188232.pdfIn PDF document text
  • http://tokado.ua/media/file/91122341052.pdfIn PDF document text
  • https://living-stone.lu/userfiles/files/pizosujejemoziwipeneru.pdfIn PDF document text
  • http://tipsclubcr.com/campannas/file/26453207282.pdfIn PDF document text
  • http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/fd8ddc0460c40eef73fb00510e5c6b5e/95764982364.pdfIn PDF document text
  • https://shaplaconsulting.com/app/webroot/ckfinder/userfiles/files/dabigupigulekasuk.pdfIn PDF document text
  • https://navoloki.mebel18.com/uploads/files/giriruliferijavudemip.pdfIn PDF document text
  • https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/4ba80b5fe2b2b0dbfd430fe3d72db190/57623912947.pdfIn PDF document text
  • http://vncdata.net/app/webroot/uploads/files/66668232962.pdfIn PDF document text
  • http://mintaialuminum.com/d/files/20388777678.pdfIn PDF document text
  • http://aven.su/userfiles/file/64787933620.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1614b7f5a70d26---35458163542.pdfIn PDF document text
  • http://feedproxy.google.com/~r/Xvkpad/~3/BcFPVxLj4jw/uplcv?utm_term=reflux+and+wheezingPDF 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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