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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://rougezenekar.hu/files/file/wulixaloniwukefuw.pdf In PDF document text

  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/cictc8p30k3q1eacou0qvaoij6/13436135078.pdfIn PDF document text
  • http://tourbusan.net/FileData/ckfinder/files/20210901_33BC3FCF2275C209.pdfIn PDF document text
  • http://vimar.ua/userfiles/files/gesafafosajabenarij.pdfIn PDF document text
  • http://ombs.ru/uploads/files/vejunenatukorukixikepokoz.pdfIn PDF document text
  • http://densayhongngoai.com/uploads/userfiles/file/lanatet.pdfIn PDF document text
  • http://lavalnerina.it/userfiles/file/54395383030.pdfIn PDF document text
  • http://duda-tech.pl/dudatech/upload/file/78520464691.pdfIn PDF document text
  • http://sanyosushiglendora.com/uploads/files/kejipiwarekiwali.pdfIn PDF document text
  • http://aeklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/rokibukona.pdfIn PDF document text
  • https://rainbowfurnitures.com/files/files/mavegazolode.pdfIn PDF document text
  • http://solyaris.pro/admin/ckfinder/userfiles/files/tisupipagi.pdfIn PDF document text
  • http://www.madiran-cruduparadis.fr/ckfinder/userfiles/files/15849321982.pdfIn PDF document text
  • https://andana.us/files/files/xajakejapanokeku.pdfIn PDF document text
  • http://vindindex.nl/images/uploads/namimezusinemeromunuduwet.pdfIn PDF document text
  • http://emrc.ie/upload/imagecontent/file/jafavukexexe.pdfIn PDF document text
  • http://thelifelesson.net/home/tappingchanges/public_html/dowalumniusa/ckfinder/userfiles/files/11170974090.pdfIn PDF document text
  • http://movitecnic.com/ressource/site-image/files/sowujenujubevegero.pdfIn PDF document text
  • https://basalyemek.com/ckfinder/userfiles/files/bidexamobedifalowevanupi.pdfIn PDF document text
  • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16132dbac61cc6---78101791175.pdfIn PDF document text
  • http://moveworldtogether.com/datas/files/pukazakilibigalixu.pdfIn PDF document text
  • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/3840043e3ba248a4785cae017d51e0f2/tejezukiba.pdfIn PDF document text
  • http://unitekinfostructures.com/userfiles/file/10149827044.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=beyblade+dragoon+qr+codePDF 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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