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://catamma.ru/uplcv?utm_term=persona+3+kenji+social+link PDF link annotation

  • https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/161424dd62e4a0---46651573779.pdfIn PDF document text
  • https://hongmao.tw/uploads/files/202109230512036323.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/88646514407.pdfIn PDF document text
  • https://tourgardan.com/basefile/tourgardancom/files/15256991654.pdfIn PDF document text
  • https://memo-log.com/userfiles/file/lolomaxifenoforiwodixozix.pdfIn PDF document text
  • http://bellamy.tw/uploads/files/202109230134528560.pdfIn PDF document text
  • http://maulich.vn/attachment/files/kazowabeviri.pdfIn PDF document text
  • https://phoenixturkey.com/upload/ckfinder/files/74680678573.pdfIn PDF document text
  • http://smflow.in/admin/uploads/file/nuvolugilesopirinofi.pdfIn PDF document text
  • http://uticachemical.com/files/upload/files/75933861324.pdfIn PDF document text
  • http://recrute.fr/files/files/67232648740.pdfIn PDF document text
  • https://maisonfamillesrimouski.com/scripts/php/xenocode/lib/ckfinder/userfiles/files/tonulaf.pdfIn PDF document text
  • https://vestol.bg/files/file/tiseder.pdfIn PDF document text
  • http://alarcon-v.com/editor_upload_image/file/92590867915.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/107f4f086b60f31c8c0ddd8452593765/11046112910.pdfIn PDF document text
  • https://newchat.xyz/js/ckfinder/userfiles/files/97169622773.pdfIn PDF document text
  • http://auroraenergyproject.it/userfiles/files/33248290407.pdfIn PDF document text
  • http://canavesiobruno-architetti.it/userfiles/files/44256623191.pdfIn PDF document text
  • http://e2ingenieros.com/ckfinder/userfiles/files/96508778349.pdfIn PDF document text
  • http://gioiacompany.net/images/upload/file/ronugunej.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/kofekuxalinoji.pdfIn PDF document text
  • http://hbaoge.com/upload/files/rogiga.pdfIn PDF document text
  • http://havefuntogether.com/image/upload/File/falobimodabopuzarinefiw.pdfIn PDF document text
  • http://tcihk.com/userfiles/8029571528.pdfIn PDF document text
  • https://lrsinc.co/userfiles/file/xixovufugaguvo.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1613c9d04ae09e---ridixu.pdfIn PDF document text
  • http://sklepjola.pl/userfiles/file/82666101913.pdfIn PDF document text
  • http://valdhans.cz/userfiles/file/nakoloboxidegurepujeridok.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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