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://queure.ru/uplcv?utm_term=tecnica+exanguinotransfusi%C3%B3n+neonatal+pdf PDF link annotation

  • http://www.amedna.com/userfiles/files/23627457853.pdfIn PDF document text
  • https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/f1c30b31a9d91cdf0820eb7d9af07aec/kenox.pdfIn PDF document text
  • https://cardion.dk/gfx/fckimages/file/zilusuxusenudodaguguba.pdfIn PDF document text
  • http://nissanotogovap.net/uploads/images/files/58569424698.pdfIn PDF document text
  • https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/bhts1scur93m36cl4ddab8552h/27697604744.pdfIn PDF document text
  • https://radmangroup-ye.com/rgfiles/file/1297930547.pdfIn PDF document text
  • https://autopsrus.com/ckfinder/userfiles/files/62210692775.pdfIn PDF document text
  • https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/b98fd7c7e3e8ae77f8d9dd2fc2bf66c7/motakow.pdfIn PDF document text
  • http://dienmaythanglong.org/uploads/files/79499374441.pdfIn PDF document text
  • http://thai-apsproducts.com/file_media/file_image/file/fotovuvozala.pdfIn PDF document text
  • https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160930088cd96f---jakojelasebunus.pdfIn PDF document text
  • http://meruzhankhachatryan.com/app/webroot/files/file/2707453467.pdfIn PDF document text
  • https://briljant-maleri.se/UserFiles/files/vajafo.pdfIn PDF document text
  • https://thaiahpa.com/flash/files/farewel.pdfIn PDF document text
  • http://banglatalkies.com/dynamic-images/cms/file/zomanurepafunutubota.pdfIn PDF document text
  • http://burningspearmarketplace.com/js/ckfinder/userfiles/files/24114881665.pdfIn PDF document text
  • http://carroll1975.com/clients/4/4e/4e2b018d07aaa5a30c3e4fca1c7a8df7/File/15096945972.pdfIn PDF document text
  • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9e1bb83c3f---83114716048.pdfIn PDF document text
  • http://khaskhaan.mn/uploads/userfiles/files/36922190237.pdfIn PDF document text
  • http://amblesidewindermere.ca/fckuploads/images/file/18767102174.pdfIn PDF document text
  • https://666666.vn/upload/fck/file/41923056515.pdfIn PDF document text
  • https://zagi.hr/files/68265544827.pdfIn PDF document text
  • https://ngusacdon.com/upload/files/tizelorazizovasewijaketi.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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