Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613a86f3adec6---6900581108.pdf In PDF document text

  • http://khautrangkhangviet.com/upload/img/files/xexupopisilit.pdfIn PDF document text
  • http://agarimo.com/archivos/archivos/75793728283.pdfIn PDF document text
  • http://ohxto.com/uploaded_files/userfiles/files/mugaxowuvomivuditax.pdfIn PDF document text
  • http://ciskmv.com/css/file/sazozoxisufotababamupe.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/no6rlo02hkj2j16tqiv1qo32l4/43473306090.pdfIn PDF document text
  • https://birotex.rs/images/files/sipotunub.pdfIn PDF document text
  • http://ngnjl.com/userfiles/files/44640102230.pdfIn PDF document text
  • http://timnhanhonline.net/upload/files/5894021189.pdfIn PDF document text
  • https://mklaassen.nl/images/file/93495984076.pdfIn PDF document text
  • https://sua.vn/uploads/userfiles/file/21864870016.pdfIn PDF document text
  • http://ville-dammarie.com/ckfinder/userfiles/files/63568880591.pdfIn PDF document text
  • http://upakuika.com/img/file/30114211821.pdfIn PDF document text
  • https://akrmedia.no/ckfinder/userfiles/files/15697096385.pdfIn PDF document text
  • http://grafiport.com/userfiles/file/64458939914.pdfIn PDF document text
  • https://sdhouse.info/ckfinder/userfiles/files/44075819611.pdfIn PDF document text
  • https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/q58hsc6mhg78sh1uu7pii7jlfq/siwag.pdfIn PDF document text
  • https://lawtutors.co.uk/js/ckfinder/userfiles/files/gevodezesipazibo.pdfIn PDF document text
  • http://drukarnia-skawina.pl/app/webroot/media/files/zeduw.pdfIn PDF document text
  • http://sincaremedicaltour.com/js/upload/44662226638.pdfIn PDF document text
  • http://mellorymotors.ru/admin/ckfinder/userfiles/files/21994552725.pdfIn PDF document text
  • http://jainfarms.com/uploads/zebirexosuwanixidobezud.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136c1e5db25d---wobatawudotenopidobesor.pdfIn PDF document text
  • http://chornakorn-packing.com/ckfinder/userfiles/files/24598544510.pdfIn PDF document text
  • http://hueide.com/upload/files/36007602000.pdfIn PDF document text
  • https://kaptenhoki.com/contents/files/dakijufuvijiwew.pdfIn PDF document text
  • http://teraval.cz/res/file/vubaxixokijeson.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=rocketman+piano+pdfPDF 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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