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://pistant.ru/uplcv?utm_term=changer+ip+telephone+android PDF link annotation

  • https://noursportevents.com/wheelmarine/userfiles/file/14980696792.pdfIn PDF document text
  • http://laulumaja.fi/ckfinder/userfiles/files/vemaramebodosiliwevewe.pdfIn PDF document text
  • https://maconlux.lu/userfiles/files/45420538839.pdfIn PDF document text
  • http://ck-buhgalter.ru/userfiles/file/navavavedeximimusotej.pdfIn PDF document text
  • http://bakersfield.thepokeluau.com/uploads/files/13078861.pdfIn PDF document text
  • https://sunridgecorp.com/uploads/files/202109121412411218.pdfIn PDF document text
  • https://congtydaihai.com/upload/files/sitevo.pdfIn PDF document text
  • https://onlinendttraining.net/files/kubamivejofi.pdfIn PDF document text
  • http://lifecare4all.com/upload/files/1166412196.pdfIn PDF document text
  • http://www.creativitaecomunicazione.it/js/lib/ckfinder/userfiles/files/xegiladiwipukizozo.pdfIn PDF document text
  • http://cegled.varosom.hu/userfiles/files/71200664937.pdfIn PDF document text
  • https://pomtco.com/technical/files/file/51938070689.pdfIn PDF document text
  • https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/b33f2cf7f99c806629359d5cbd448877/nelinawibef.pdfIn PDF document text
  • http://www.chp.pl/ckfinder/userfiles/files/62525273091.pdfIn PDF document text
  • http://inimtrento.it/userfiles/files/94913944587.pdfIn PDF document text
  • http://hadt.vn/upload/files/92467793978.pdfIn PDF document text
  • http://855solution.com/htdocs/cljr/data/files/47955521357.pdfIn PDF document text
  • https://congchungnguyenlieu.vnpec.xyz/uploads/files/kivakosixatimuvesufuvodax.pdfIn PDF document text
  • http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eba61c4e0f---wesapozazebobimobolufes.pdfIn PDF document text
  • http://rracc.com/file_media/file_image/file/42297659300.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/161392b618bb60---17411919378.pdfIn PDF document text
  • http://shengyaweb.com/uploadfile/file/2021090615143488.pdfIn PDF document text
  • https://livstyle.ro/home/livstyle/public_html/uploads/files/bizazu.pdfIn PDF document text
  • http://gruaszarate.com/ckfinder/userfiles/files/vozekifukikokekida.pdfIn PDF document text
  • http://wakabaeducation.com/userfiles/file/vanujinimodomofaso.pdfIn PDF document text
  • http://tks-forever.com/upload/2021/09/02/file/kosopikonixana.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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