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://nomylo.ru/uplcv?utm_term=demolition+3d+apk PDF link annotation

  • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613197e35170e---nivevo.pdfIn PDF document text
  • https://almuhja.ps/ckfinder/userfiles/files/miwolodubeneno.pdfIn PDF document text
  • https://hoanghaie.com/Images_upload/files/93607135582.pdfIn PDF document text
  • https://baigiangtoanhoc.com/upload/files/guxazesubodugoluwuzizesu.pdfIn PDF document text
  • https://behbehaniprojects.com/uploads/files/47704403134.pdfIn PDF document text
  • http://abwmechanicsville.com/uploads/files/wogafobupegetov.pdfIn PDF document text
  • http://naturpix.ch/cmsimages/file/jowivukagugizamivewexoj.pdfIn PDF document text
  • https://essaidafm.com/uploads/FCK_files/file/89083747021.pdfIn PDF document text
  • https://seerupit.dk/assens/file/tafav.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cb344df133---13250913311.pdfIn PDF document text
  • http://all-premium.com/user_file/files/zizoduk.pdfIn PDF document text
  • https://lifesmart.lifesmart.ro/ckfinder/userfiles/files/66311859904.pdfIn PDF document text
  • https://aimtronu.org/userfiles/file/xuboreluvimexorebujeworez.pdfIn PDF document text
  • https://network-italia.it/file/ramipagiva.pdfIn PDF document text
  • https://northwestconvention.cz/data/files/59387428864.pdfIn PDF document text
  • http://www.erealitysolutions.com/tennisontario/assets/appsadmin/js/ckfinder/userfiles/files/25090081854.pdfIn PDF document text
  • https://przyklejki.pl/userfiles/xulatisemeradonidana.pdfIn PDF document text
  • https://kientrucqhouse.com/uploads/image/files/pozimepuxotajimo.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/161320b15b6c86---tasepi.pdfIn PDF document text
  • https://almavilag.hu/files/files/7549712583.pdfIn PDF document text
  • https://biocenfis.es/uploads/assets/file/72786869197.pdfIn PDF document text
  • https://gianlucabruno.it/dati/upload/file/tinajisegazivopivo.pdfIn PDF document text
  • https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/cde3971223da42b8a80edb37371d3ea2/44500868759.pdfIn PDF document text
  • http://studiofranzoni.eu/userfiles/files/xuzubiwokexorexisive.pdfIn PDF document text
  • http://cascinamana.it/userfiles/file/66494761660.pdfIn PDF document text
  • http://bayzones.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/24548289323.pdfIn PDF document text
  • 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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