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 https://aimtronu.org/userfiles/file/vobizememate.pdf In PDF document text

  • http://appextskihjthj.handysociality.com/upload/files/57819794619.pdfIn PDF document text
  • http://orvosvalaszto.hu/uploads/files/17888089862.pdfIn PDF document text
  • http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132bb760b8c6---73155608911.pdfIn PDF document text
  • http://hugslock.com/app/webroot/img/files/mabamevawivaxofusiwowa.pdfIn PDF document text
  • http://vendsol.com/userfiles/file/33768908740.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/2489261f6f10d3e7f33efe8665187228/95514897235.pdfIn PDF document text
  • http://autosoftware.company/autoresponders_images/files/nutejaxogimazobimexibex.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/xonixakibameraxak.pdfIn PDF document text
  • http://mnogonomerov.ru/uploads/file/78738113733.pdfIn PDF document text
  • https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/a9ldt140vjm9pabm7k3one7dsf/57435909336.pdfIn PDF document text
  • http://karinameal.ru/imgdish/files/45669354714.pdfIn PDF document text
  • http://podhoru.cz/userfiles/file/81306339934.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dc11c4413a---64008968372.pdfIn PDF document text
  • http://medicapoland.pl/uploaded/file/tiropixilufove.pdfIn PDF document text
  • http://dijladentalcenter-qa.com/userfiles/file/33644638249.pdfIn PDF document text
  • http://wish-pharma.com/upload/files/sudolewufifu.pdfIn PDF document text
  • http://vuason.vn/upload/files/54435214569.pdfIn PDF document text
  • http://ssss-sangam.com/userfiles/file/kowofixixu.pdfIn PDF document text
  • https://pmeds.us/userfiles/file/81284097910.pdfIn PDF document text
  • https://careersourcechipola.com/files/public/xowekiv.pdfIn PDF document text
  • http://regalmotors-jp.com/js/upload/files/siwimovixipaxofaze.pdfIn PDF document text
  • http://studiotecnicomartani.eu/userfiles/files/55647033382.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=how+to+make+video+live+wallpaper+iphone+7PDF link annotation
  • http://cluster006.ovh.net/~greeters/namur/ckfinder/userfiles/files/mafibife.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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