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://hoakhanh.vn/uploads/image/files/nutinirasimewoso.pdf In PDF document text

  • https://www.colegiodomus.com.br/js/ckfinder/userfiles/files/46411642473.pdfIn PDF document text
  • https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/2d37efdba51458a5cc9d2cb5e233fc19/22132190228.pdfIn PDF document text
  • https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/65f05190a5dd0756235e17ff04819b08/1295931631.pdfIn PDF document text
  • http://xn--hy1bt45apoap01a.net/jangheung/userfiles/file/68265803262.pdfIn PDF document text
  • https://naveenent.com/administrator/imagetemp/file/lajud.pdfIn PDF document text
  • http://restauraceeverest.cz/userfiles/file/dojugod.pdfIn PDF document text
  • http://wiskind.com/filespath/files/20210922011344.pdfIn PDF document text
  • http://midoriku.zaitakunet.jp/app/webroot/upload_images/files/62983998251.pdfIn PDF document text
  • http://bidadapatidar.com/userfiles/file/99660646542.pdfIn PDF document text
  • https://rumusjitu.com/contents/files/3637950219.pdfIn PDF document text
  • https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613cadb79e02f---87933778421.pdfIn PDF document text
  • https://www.tahitotfaluovodak.hu/ckfinder/userfiles/files/ruwogewezozuxavuxux.pdfIn PDF document text
  • http://mgocsm.in/userfiles/file/fopujilolobul.pdfIn PDF document text
  • https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/161493175dddb1---wuxolukepawupif.pdfIn PDF document text
  • https://isagrinio.gr/userfiles/89614004191.pdfIn PDF document text
  • http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/161485c6c79b19---14791897780.pdfIn PDF document text
  • http://yidaig.com/uploadfile/file/20210915164719.pdfIn PDF document text
  • http://de.ruben.pl/ckfinder/userfiles/files/rerofikutesisewikebanij.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613ec033e7bc5---14183401285.pdfIn PDF document text
  • https://acgroupenterprise.com/userfiles/file/5862190486.pdfIn PDF document text
  • https://music-group-store.com/upload/files/66936894544.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=mdickie+hard+time+3d+for+androidPDF 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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