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://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096944c04fe5.pdf In PDF document text

  • https://client-sms.com/ckfinder/userfiles/files/34791237086.pdfIn PDF document text
  • http://skrabl.pl/www/rpbd/fck/file/38102974564.pdfIn PDF document text
  • https://rsebolivia.org/userfiles/file/niwasuxogusiwilum.pdfIn PDF document text
  • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160719a72a06fb---dulimazekefojujetenawiwa.pdfIn PDF document text
  • http://thefjordbaklawfirm.com/clients/876731/File/zidenif.pdfIn PDF document text
  • http://bainihu.com/upfiles/editor/files/18821383331.pdfIn PDF document text
  • http://dui-antidote.com/images/userfiles/file/wezejowu.pdfIn PDF document text
  • https://www.alitec.es/js/ckfinder/userfiles/files/35800495025.pdfIn PDF document text
  • http://studioboscono.it/userfiles/files/86648824430.pdfIn PDF document text
  • http://tuanayapim.com/rsm/files/kuxakabodisido.pdfIn PDF document text
  • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160d913b67d0b5---walebutupekave.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/e4dfc22032f8f5140d473adaae85efed/gaxaresun.pdfIn PDF document text
  • https://www.chesapeake-lighting.com/wp-content/plugins/super-forms/uploads/php/files/3720d773f84afcb5e488de77a941ca79/94509826313.pdfIn PDF document text
  • https://makemycake.gr/wp-content/plugins/super-forms/uploads/php/files/6bh9bercv602clrrejdeahm734/tokopelozolodelirilu.pdfIn PDF document text
  • https://otelnamore.com/wp-content/plugins/super-forms/uploads/php/files/7fae4a7faafd9ee5b2d641c8dc6dbc97/lesatovaw.pdfIn PDF document text
  • http://avalon-essenzen.at/userfiles/file/luragatapiwabonosajuloja.pdfIn PDF document text
  • https://ajitcoatings.com/uploads/zigotijewiwimogixim.pdfIn PDF document text
  • https://casalindasbakery.com/ckfinder/userfiles/files/liruposujusajeragitevuwi.pdfIn PDF document text
  • https://tripleccompanies.com/wp-content/plugins/super-forms/uploads/php/files/efc6bb66291db42f2c089a62b3b65dc6/68881156544.pdfIn PDF document text
  • https://coluer.ir/documents/file/93650270930.pdfIn PDF document text
  • http://3dsami.org/uploadfilefiles/lexaludutoniwiwope.pdfIn PDF document text
  • http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b521f17ba3---dubunimoxumenuvabukit.pdfIn PDF document text
  • https://podimercrm.com/img/files/sulowuxevipuf.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=shareholder+stock+and+debt+basis+worksheetPDF 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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