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://merklink.nl/site/data/ws/files/noloruvudunixejezupub.pdf In PDF document text

  • http://dok-vo.ru/userfiles/file/23823881360.pdfIn PDF document text
  • http://tiwtactic.com/userfiles/files/43511854286.pdfIn PDF document text
  • http://cgl.lu/userfiles/files/28932981840.pdfIn PDF document text
  • https://noble-program.site/js/ckfinder/userfiles/files/wikaxuvipivofot.pdfIn PDF document text
  • https://www.jnvhardoi.org/ckfinder/userfiles/files/bomeru.pdfIn PDF document text
  • http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d34863a0933---83218746431.pdfIn PDF document text
  • http://worldofpacifiers.com/editor_uploads/system/files/52233541341.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/77312913525.pdfIn PDF document text
  • http://mobilni-kadernictvi.cz/files/file/89919675908.pdfIn PDF document text
  • http://dainindo.com/Uploads/userfiles/files/xesolabawu.pdfIn PDF document text
  • http://huerural.com/uploads/image/files/84965753432.pdfIn PDF document text
  • https://bnbtravels.com/ckfinder/userfiles/files/pogawigojurekujepus.pdfIn PDF document text
  • https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/b2a10cec384fc5d4437ab3ead29868a2/39402117564.pdfIn PDF document text
  • http://livilgirls.com/files/lakowul.pdfIn PDF document text
  • http://wamer.org/userfiles/file/wudoxatonuzevig.pdfIn PDF document text
  • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf5ce41331d---26598301234.pdfIn PDF document text
  • http://www.siscbolivia.com/admin/uploaded/fck/file/67391229393.pdfIn PDF document text
  • http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606da49451e27---27103569711.pdfIn PDF document text
  • https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/96482598236.pdfIn PDF document text
  • https://www.ojchamber.com/ckfinder/userfiles/files/vofutaxafiduk.pdfIn PDF document text
  • https://luiginoiobbi.com/userfiles/file/lujurisasadebefojujaseze.pdfIn PDF document text
  • https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/c29bfd9696e46ceba4094da3ef87feed/sorejozupiwalasobexusuxas.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/01a22f701ea8ba01330277f7f4f020fb/99108551699.pdfIn PDF document text
  • http://osc-pribor.ru/products_pictures/file/93528887772.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=numeri+ordinali+in+tedesco+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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