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://oniceh.ru/uplcv?utm_term=human+heart+diagram+and+label PDF link annotation

  • http://uitetenindex.nl/images/uploads/bojifezakolosiwigop.pdfIn PDF document text
  • http://densayhongngoai.com/uploads/userfiles/file/97240776406.pdfIn PDF document text
  • http://munnarteabungalows.com/userfiles/file/rojipagad.pdfIn PDF document text
  • https://chulintemple.house-well.com/CKEdit/upload/files/32921966208.pdfIn PDF document text
  • http://lica.plovdivweek.com/js/ckfinder/userfiles/files/70510009541.pdfIn PDF document text
  • http://kondicionery-dzerzhinskij.ru/upload_picture/file/63485111282.pdfIn PDF document text
  • https://thegmsbihta.in/userfiles/file/nasobojijodejepigugile.pdfIn PDF document text
  • http://dohertylaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/86949117130.pdfIn PDF document text
  • https://vico-inmobiliaria.com/ckfinder/userfiles/files/78041310951.pdfIn PDF document text
  • http://xn--2e0b95unoa536adofm5h.com/userfiles/file/82352852332.pdfIn PDF document text
  • http://animationcoach.com/userfiles/file/rudalesujiro.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e8b87942e5.pdfIn PDF document text
  • https://rosedreamholidayhomes.com/ckfinder/userfiles/files/17502477593.pdfIn PDF document text
  • http://anhuicrew.com/upload_fck/file/2021-9-7/20210907072434201008.pdfIn PDF document text
  • http://hujiangsy.com/upload/files/39885216434.pdfIn PDF document text
  • https://alsharqcc.com/userfiles/files/61495993231.pdfIn PDF document text
  • https://beaszemin.com/files/gokes.pdfIn PDF document text
  • https://xn--90ah6akb9e.xn--p1ai/f/file/74603697876.pdfIn PDF document text
  • https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135265e832de---dafizakusisefaxawaxuleja.pdfIn PDF document text
  • http://k-yoga.org/file_upload/spaw_upload/file/20210916005201.pdfIn PDF document text
  • http://austria-ex.com/images/blog/file/40205567374.pdfIn PDF document text
  • http://vinag7furniture.com/app/webroot/files/editor_upload/files/topifiburalujo.pdfIn PDF document text
  • http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135c81ccea54---lezitafi.pdfIn PDF document text
  • https://mediaget.com/userfiles/files/tejosufopax.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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