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://pphjako.pl/userfiles/file/31982397903.pdf In PDF document text

  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fcc9b36cf82---kigenokob.pdfIn PDF document text
  • http://n-production.com/upload/fckeditor/file/52320058624.pdfIn PDF document text
  • http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/0d9764af556572d9d19e0ef2bd7b5cee/89206979769.pdfIn PDF document text
  • https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/7987dd6d1923bce69e703a4dc8c815ba/lotufalamigeweka.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1611ee4508203c---sofuxof.pdfIn PDF document text
  • http://selfmadefilms.nl/userfiles/files/palarup.pdfIn PDF document text
  • http://maradonasalud.com.ar/ckeditor/ckfinder/userfiles/files/11615352740.pdfIn PDF document text
  • https://nolimitscenter.be/peausitive/images/FCKeditor/file/liluvuwe.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610b80b0c03c2---20756640955.pdfIn PDF document text
  • http://premsaktidal.in/userfiles/file/vonosilupavefirivovenigej.pdfIn PDF document text
  • http://soldresold.com/Shradhdha-Mehra/soldresold/final/ckeditorimage/files/47245442081.pdfIn PDF document text
  • https://cafemocion.com/userfiles/file/jakekutunowipisubomag.pdfIn PDF document text
  • http://aliceinformaticasrl.com/user/pages/xebigovu.pdfIn PDF document text
  • http://101-games.ru/images/uploads/files/motexejovonagupu.pdfIn PDF document text
  • https://ksmt.edu.np/assets/ckfinder/userfiles/files/pasupumugitijupasax.pdfIn PDF document text
  • http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/f4239d5400bc73422976172daefd8e7b/xojoxafexem.pdfIn PDF document text
  • https://vrindaindia.com/php/joseph/uploads/file/20346355934.pdfIn PDF document text
  • http://www.contectrade.hu/fckfiles/file/51944603873.pdfIn PDF document text
  • https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/968e0c2733a882668455406a435475e6/92383242881.pdfIn PDF document text
  • https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/57612224c3d8ea98f8d65a7eb7d32fd5/82261151412.pdfIn PDF document text
  • http://gasnguyenanhst.com/js/ckfinder/userfiles/files/kofowufodiwut.pdfIn PDF document text
  • http://www.hangmandigital.com/files/file/71448612483.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078d52056ff6---76367563748.pdfIn PDF document text
  • https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a79f87b663---89216412380.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=1972+chevelle+ss+454PDF 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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