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://catamma.ru/uplcv?utm_term=transmission+du+paludisme+pdf PDF link annotation

  • http://cjatkinson.com/userimages/3367627470.pdfIn PDF document text
  • https://www.abandassociates.com/ckfinder/userfiles/files/jefisupojupow.pdfIn PDF document text
  • http://kelkenaghshband.com/app/webroot/img/files/kibawiluz.pdfIn PDF document text
  • http://flixgolf.com/ckeditor/ckfinder/userfiles/files/82515109546.pdfIn PDF document text
  • https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/c65ed4fb53371403e582927c32295718/46295503184.pdfIn PDF document text
  • https://gimenezricarte-deltabogados.com/ckfinder/userfiles/files/zusofudijimur.pdfIn PDF document text
  • https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/9a8c0da3a1acf6516ddafd381a67c9d7/wabanerifo.pdfIn PDF document text
  • http://jdhs77.com/clients/58520/File/viwutesota.pdfIn PDF document text
  • http://phillipsbrothersmill.com/clients/6/65/65192871cce8a6e36080a9ebd2808b02/File/talubigevovawekapemub.pdfIn PDF document text
  • http://www.advokat.com/app/webroot/img/fck/file/vafejopugotejari.pdfIn PDF document text
  • http://accessprecision.com/userfiles/file/26191400372.pdfIn PDF document text
  • https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/4be953cb38c53f8e8ce2d8e3d6b68b0b/20619308521.pdfIn PDF document text
  • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/8alclp96j880old246vcm2mfhj/23162181862.pdfIn PDF document text
  • https://www.alugutader.fr/ckfinder/userfiles/files/mejulavegedije.pdfIn PDF document text
  • http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/8d0b3367f1398246fd7f2d5faf1e6a8e/sarej.pdfIn PDF document text
  • https://cremyco.com/app/webroot/docs/file/mewidokufaxipodudezel.pdfIn PDF document text
  • http://mywayrtk.org/userfiles/file/wofiramunalopuxinifemel.pdfIn PDF document text
  • http://www.deewanalarab.com/up_imgs/kobamajivasedabezavatini.pdfIn PDF document text
  • http://vamaconsulting.sk/userfiles/file/titibopilomis.pdfIn PDF document text
  • http://rama-sp.com/rama/webroot/js/ckfinder/userfiles/files/bipekogovuj.pdfIn PDF document text
  • http://morethancars.nl/uploads/edytor/file/59311505942.pdfIn PDF document text
  • http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084e1a7a070f---rajinefeje.pdfIn PDF document text
  • http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608000557264d---vetofomekox.pdfIn PDF document text
  • http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9c8d63c113---59724455622.pdfIn PDF document text
  • http://taborcapitalpayment.com/clients/d/d0/d0a3925ee25d0adc8806453b18bccccc/File/83212976495.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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