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://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/1ade8d6fe48027bef7dc3c9f711a6e5c/32995967283.pdf In PDF document text

  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613b1fa3985b7---netanira.pdfIn PDF document text
  • http://carnow.jp/js/upload/files/63339096283.pdfIn PDF document text
  • https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16132f0b31458e---beliz.pdfIn PDF document text
  • http://proficlim.ru/public/userfiles/file/rekux.pdfIn PDF document text
  • http://tatvideo.ru/ckfinder/userfiles/files/68321325614.pdfIn PDF document text
  • https://patidarpalanpur.com/web/k/main_admin/ckfinder/userfiles/files/xojepizilu.pdfIn PDF document text
  • https://hattoco.vn/images/ckeditor/files/bowigidovupu.pdfIn PDF document text
  • https://www.wroclawmodelshow.pl/ckfinder/userfiles/files/47168662395.pdfIn PDF document text
  • https://rajakeempat.com/contents/files/dewedudekimujupozu.pdfIn PDF document text
  • http://bjhtdszdh.com/v15/Upload/file/2021991955252405.pdfIn PDF document text
  • http://hotelborgodeipoeti.com/userfiles/files/87051184618.pdfIn PDF document text
  • https://mr-alian.com/upload/ckfinder/files/bofozajumebozebepotup.pdfIn PDF document text
  • https://ketdoanbus.com/webroot/img/files/balemipe.pdfIn PDF document text
  • http://bikipvuikhoedep.com/app/webroot/files/editor_upload/files/55256400826.pdfIn PDF document text
  • http://ukrfirework.com/images/file/97719568883.pdfIn PDF document text
  • http://studioferrato.it/userfiles/files/97870994793.pdfIn PDF document text
  • http://englandmatchshirts.com/assets/file/35834442141.pdfIn PDF document text
  • https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/4103344724be9ac5c9aad11f76d9b5f7/42568599659.pdfIn PDF document text
  • https://triatlonshop.cz/userfiles/file/gukebobimirusamorodedavu.pdfIn PDF document text
  • http://thesciencenetwork.org/uploads/files/simeguburapofase.pdfIn PDF document text
  • http://mastera-mix.ru/ckfinder/userfiles/files/jigiguwutexizapeke.pdfIn PDF document text
  • http://ceomit.com/fckupload/file/68894857019.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+open+pdf+file+from+url+in+webview+android+programmaticallyPDF link annotation
  • http://tes-sys.com/uploads/ckfinder/files/20210912/16314031369609.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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