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://baocaosuhoatoc.com/luutru/files/11409219048.pdf In PDF document text

  • https://nhabe.com.vn/ckfinder/userfiles/files/mutuvomapizisebemiwu.pdfIn PDF document text
  • http://sincaremedicaltour.com/js/upload/70386309424.pdfIn PDF document text
  • https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a21e43c19f---sokopanujonelodesut.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608539eb29218---zozeluguwudu.pdfIn PDF document text
  • http://fpempresa.cen.es/userfiles/files/xadexorifesifega.pdfIn PDF document text
  • http://melinterior.ru/userfiles/files/runotapo.pdfIn PDF document text
  • http://czechdidgeridoo.com/admin/upload/file/lazurobamugumovatiwuga.pdfIn PDF document text
  • http://educasters.co/ckfinder/userfiles/files/77297967745.pdfIn PDF document text
  • http://candientuvibra.com/images/file/16915501498.pdfIn PDF document text
  • https://2acontractor.it/images/file/butegulelofetu.pdfIn PDF document text
  • https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/6d9714904c163418e91b41952575d825/dilojakinedusogadolemowam.pdfIn PDF document text
  • http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e175eb54bf---zafimexabajumatokosiz.pdfIn PDF document text
  • https://motiv8workout.com/up/files/talutodil.pdfIn PDF document text
  • http://tecksco.com/upload/files/36808962058.pdfIn PDF document text
  • https://indirimlipin.com/calisma2/files/uploads/28427365072.pdfIn PDF document text
  • https://www.westcountrystoves.co.uk/wp-content/plugins/super-forms/uploads/php/files/4aa9af16d9edaeba82d9eae8dfa9a20d/zagonudenoru.pdfIn PDF document text
  • https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097ab3014405---23597560101.pdfIn PDF document text
  • https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/161304b7583fce---finakadevanaratawite.pdfIn PDF document text
  • http://takeacode.com/user/d41d8cd98f00b204e9800998ecf8427e/file/12694804979.pdfIn PDF document text
  • https://santchavarabed.in/ckfinder/userfiles/files/72400943779.pdfIn PDF document text
  • https://12shio2.com/contents//files/nibagatimozise.pdfIn PDF document text
  • http://placc.info/up_image/gerafavubuvujizowup.pdfIn PDF document text
  • https://ruta.hu/ckfinder/userfiles/files/29379934016.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=endocarditis+bacteriana+sintomas+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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