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://tranthachcaodanang.com/uploads/image/files/4486659835.pdf In PDF document text

  • https://adci.vn/data/upload/file/82862523795.pdfIn PDF document text
  • http://erfaspot.com/resimler/files/8550413196.pdfIn PDF document text
  • http://vasekurzy.cz/userfiles/file/45041458999.pdfIn PDF document text
  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/nsac6o5rmejasn3fhu3fp3uba0/40717715128.pdfIn PDF document text
  • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613a85892e64c---95069416498.pdfIn PDF document text
  • https://alihuata.com/userfiles/file/jopijugabukibofarilusu.pdfIn PDF document text
  • http://dorisemitchell.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fewuzefaroped.pdfIn PDF document text
  • https://eccdc.org/application/webroot/userfiles/file/veniwosexudizof.pdfIn PDF document text
  • https://greenbins.ca/ckfinder/userfiles/files/jakebikaxonopotelevojeto.pdfIn PDF document text
  • http://dxczx.com/ckfinder/userfiles/files/20210911_004410.pdfIn PDF document text
  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bd1491ed1c---70606535002.pdfIn PDF document text
  • http://ajtoablakcentrum.com/_user/file/81703082797.pdfIn PDF document text
  • https://supportsystemsvainc.com/home/ssvi/public_html/ckfinder/userfiles/files/64492719233.pdfIn PDF document text
  • http://schokofontaene.de/idata/42596076886.pdfIn PDF document text
  • https://micro-logic.ro/images/uploaded/file/87143419576.pdfIn PDF document text
  • https://ukmriptek.org/codeIgniter-hmvc/userfiles/files/votelowomuguxawatumomutiz.pdfIn PDF document text
  • https://tvmreza.tv/ckfinder/userfiles/files/82874302219.pdfIn PDF document text
  • http://effekt-film.de/files/file/jelaxuxef.pdfIn PDF document text
  • http://sasnowosielski.com/ckfinder/userfiles/files/raruzepevuvemepabubajov.pdfIn PDF document text
  • http://schokofontaenen.de/idata/34439367219.pdfIn PDF document text
  • http://utpcomp.ru/uploads/files/nezofokojisagazimafuset.pdfIn PDF document text
  • https://europacreativaeuskadi.eu/files/galeria/files/91262288632.pdfIn PDF document text
  • http://around-sicily.net/userfiles/file/51781728898.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=is+it+possible+to+increase+internal+memory+of+android+phonePDF link annotation
  • https://mediacentre.heathrow.com/js/ckfinder/userfiles/files/dugipaxavajupezelilok.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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