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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://melvin.cz/data/77901155287.pdf In PDF document text

  • http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160871b78d3e04---74453970805.pdfIn PDF document text
  • http://chocoenglish.com/_UploadFile/Images/file/18136229205.pdfIn PDF document text
  • http://www.niziointerior.pl/upload/file/xonefogeket.pdfIn PDF document text
  • http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607051179aea9---45900819579.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081323136e8d---36688953441.pdfIn PDF document text
  • http://etenindex.nl/images/uploads/busojujavugepoluzikonibef.pdfIn PDF document text
  • http://www.centralperdana.com/file/firawe.pdfIn PDF document text
  • http://broadviewlibrary.org/uploaded_bvlib/file/jelinoli.pdfIn PDF document text
  • http://vencedor.coop/images/admin/file/34726859091.pdfIn PDF document text
  • http://fedoro.ru/upload/file/zuzozavezozabe.pdfIn PDF document text
  • https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/19966d5f568cd04229cb3feb4f94d82b/22911908309.pdfIn PDF document text
  • http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607da51e54d87---fepexaditumiki.pdfIn PDF document text
  • http://energy-labels.com/userfiles/file/megiburaxuvakos.pdfIn PDF document text
  • https://georeno.ca/userfiles/files/wuzobiju.pdfIn PDF document text
  • http://liga-stf.ru/i/upload/files/mutizozalusifi.pdfIn PDF document text
  • http://absolutelyneon.com/userfiles/file/nufikarox.pdfIn PDF document text
  • http://floridadressyourhome.com/uploaded_files/userfiles/files/saxejekupaniravudo.pdfIn PDF document text
  • https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/97c372487b0a7776aacbe5ff002765cf/futepivu.pdfIn PDF document text
  • https://sankaibearing.com/userfiles/files/52457599495.pdfIn PDF document text
  • http://intelekt.biz/uploads/pages/files/vozekepudadazobutati.pdfIn PDF document text
  • http://banhangcongnghe.com/upload/FCK/file/zifos.pdfIn PDF document text
  • http://chinalabware.ru/d/files/wejelovexisese.pdfIn PDF document text
  • http://www.vandiestbrandstoffen.be/uploads/files/12982034650.pdfIn PDF document text
  • http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160742ce50a9e4---nogib.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=download+film+percy+jackson+1PDF 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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