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://pastelbuilders.com/userfiles/file/63394817426.pdf In PDF document text

  • http://ebiocell.com/uploadfile/file///2021090214530374.pdfIn PDF document text
  • http://luxmeterthai.com/ckfinder/userfiles/files/76591933200.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161369c2b2181a---63772874892.pdfIn PDF document text
  • https://thietkeweblongan.com/upload/files/63382768889.pdfIn PDF document text
  • http://kdwatch.net/upload/files/2021091704232024.pdfIn PDF document text
  • http://collegium-connect.nl/ckupload/files/muleworofelupemakase.pdfIn PDF document text
  • http://caudafotografia.com/userfiles/files/90297785339.pdfIn PDF document text
  • https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614307f77fc31---61873991215.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133af18f081d---85722677766.pdfIn PDF document text
  • http://wskinbody.com/data/boardData/files/wiguxavinobabu.pdfIn PDF document text
  • http://vhz.cz/user-files/solomimejapulokewolopazif.pdfIn PDF document text
  • http://studiotecnicomancini.eu/userfiles/files/vogowepubufogizomanujon.pdfIn PDF document text
  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614272026cb42---negegakovulogaso.pdfIn PDF document text
  • https://fullhousetourism.com/UploadFiles/file/20210909230752155.pdfIn PDF document text
  • https://clubberia.com/js/ckfinder/userfiles/files/34919901452.pdfIn PDF document text
  • http://ustunongel.com/image/files/43094929326.pdfIn PDF document text
  • https://doktor-ara.com/userfiles/files/xilutenosolevekixazubik.pdfIn PDF document text
  • http://dtpokebar.com/uploads/files/juvujotojeju.pdfIn PDF document text
  • http://hai-bi.com/uploads/files/202109111904243214.pdfIn PDF document text
  • http://prtourusa.com/FileData/ckfinder/files/20210906_2616E8F20A44A134.pdfIn PDF document text
  • http://puzynowska-kancelaria.com/userfiles/file/68810769634.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=ironman+3+game+for+android+free+downloadPDF 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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