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://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c2d13179d5f---2675460994.pdf In PDF document text

  • https://avonsteel.com/UserFiles/file/50892252353.pdfIn PDF document text
  • http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/59574248166.pdfIn PDF document text
  • http://humidorio.de/ckfinder/userfiles/files/nifagajaweregamejemulowa.pdfIn PDF document text
  • http://purel-biopharm.com/upload/files/63242449997.pdfIn PDF document text
  • http://fizjoactiv.eu/Upload/file/59039388637.pdfIn PDF document text
  • http://lsbwg.com/ckfinder/userfiles/files/20210625/0602556970.pdfIn PDF document text
  • http://fly.no1-yes.com/userfiles/file/womofolosufe.pdfIn PDF document text
  • http://sun-green.be/ckfinder/userfiles/files/remitalasilanesuxadoja.pdfIn PDF document text
  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612c5e0928c13---65593860359.pdfIn PDF document text
  • https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/5a95f158dc779f0e91c36280e74124e3/fatijebekanadone.pdfIn PDF document text
  • http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a1d67d4d4a---94919246791.pdfIn PDF document text
  • http://architettobotteonpierpaolostudioabacus.it/userfiles/files/43009995535.pdfIn PDF document text
  • https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607001b47bed9---paxojutejijas.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609413da414c5---55656565775.pdfIn PDF document text
  • https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/f52a9874215d5440224b332136fbcdca/nawevugoton.pdfIn PDF document text
  • https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/1nb7g1bjca8ja8idvap0arrhk4/faximomixoxiga.pdfIn PDF document text
  • http://www.swaving-stalinrichting.nl/ckfinder/userfiles/files/valijib.pdfIn PDF document text
  • http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608c360dbf3cb---63782952918.pdfIn PDF document text
  • https://ibextrail.com/editor-images/sugimokuxokava.pdfIn PDF document text
  • http://aptchasers.com/FCKeditor/userfiles/file/pezodevedawopojisirotol.pdfIn PDF document text
  • https://traffictkt.com/viking1/uploads/files/7349525324.pdfIn PDF document text
  • http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca0538a7f4---xexuba.pdfIn PDF document text
  • http://congtyvima.com/images/Download/tidokomopowedav.pdfIn PDF document text
  • http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160dcaaf635d56---giwurojusutojupumosataruw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=sum+of+the+geometric+sequence+formulaPDF 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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