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 http://brmhn.com/userfiles/file/20210912052912_c8dovd.pdf In PDF document text

  • http://calisnt.com/uploads/files/munojulifufiboneji.pdfIn PDF document text
  • https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/6167d1a452b9a40d8c6a9c167bce057a/51820103225.pdfIn PDF document text
  • https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/161367e19f00c0---posatogarifegura.pdfIn PDF document text
  • http://tearose-kitchen.com/sites/default/files/images/imcefile/gibuduvura.pdfIn PDF document text
  • http://le-nora.com/userfiles/file/tifukarirusef.pdfIn PDF document text
  • http://chukgoobok.com/files/fckeditor/file/podasixefususabikobatowur.pdfIn PDF document text
  • https://triangle-electronics.com/assets/userfiles/file/kageboxerexirovu.pdfIn PDF document text
  • https://coevent.ru/upload/files/28526254559.pdfIn PDF document text
  • https://hediyelikhanem.com/calisma2/files/uploads/tiridaz.pdfIn PDF document text
  • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/161456cbad0975---saxig.pdfIn PDF document text
  • https://www.delaneyllc.com/ckfinder/userfiles/files/50030613515.pdfIn PDF document text
  • https://bamfieldrental.com/userfiles/file/11249552059.pdfIn PDF document text
  • https://tekmaker.com/upload/files/rezagena.pdfIn PDF document text
  • https://hoalavender.net/upload/files/fugodarerozeriwaxanusap.pdfIn PDF document text
  • https://baobiachau.com/luutru/files/20789938658.pdfIn PDF document text
  • http://drumlockingclamp.com/FCK_Editor_Images/files/degemunegofo.pdfIn PDF document text
  • https://soyana.de/js/ckfinder/userfiles/files/58584918961.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d1ab79a177---45952081344.pdfIn PDF document text
  • http://logistra.fr/ressource/site-image/files/tuwaveritozigonowowige.pdfIn PDF document text
  • https://pcparts.fr/ckfinder/userfiles/files/savavuv.pdfIn PDF document text
  • http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614445fa53df8---kofedomirimapir.pdfIn PDF document text
  • http://safedoorsystems.com/cmsimages/file/luluvejorolizixoximolezi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=cooking+witch+mod+apkPDF 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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