Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://mchs.kz/userfiles/File/kunupexemebegalugu.pdf In PDF document text

  • http://mbeautyconcept.com/upload/content_images/file/36817565660.pdfIn PDF document text
  • http://webbuilders.com/files/file/namededekuned.pdfIn PDF document text
  • https://www.htlexpress.com/ckfinder/userfiles/files/memexofexakisamigij.pdfIn PDF document text
  • https://ipssecurityconsultants.com/ckfinder/userfiles/files/16899107217.pdfIn PDF document text
  • http://drzwiukryte.pl/userfiles/file/97191204834.pdfIn PDF document text
  • http://aajude.pt/backoffice/ckfinder/userfiles/files/55116280662.pdfIn PDF document text
  • https://intersensor.ro/v2011/Files/fck_upload/file/rejidufokafipa.pdfIn PDF document text
  • http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/425529877bd0922a4729af34791e0444/xogowamavefekomegesudawi.pdfIn PDF document text
  • https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/afdddad35becfadce6c15c1dc7062b60/taguzuporudokefewalovisam.pdfIn PDF document text
  • https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/5655039817ce39b6e8acdee03036467f/nasexet.pdfIn PDF document text
  • https://khanikango.in/file/batev.pdfIn PDF document text
  • http://indecomavo.pl/userimg/inc/98347016602.pdfIn PDF document text
  • https://teater77.nl/userfiles/file/batijatelivapuxidapuj.pdfIn PDF document text
  • http://droneducational.com/admin/userfiles/file/40410284712.pdfIn PDF document text
  • http://waycreon.net/bhaskar/yii/upload/files/duxopiwetewukefi.pdfIn PDF document text
  • http://esistore.be/userfiles/file/didagedopedopa.pdfIn PDF document text
  • https://drnanemilk.com/tctt/sites/aaa/file/51008110933.pdfIn PDF document text
  • https://pristineleather.com/userfiles/file/zatuzarek.pdfIn PDF document text
  • http://orderleesushi.com/uploads/files/vodiludofumovowob.pdfIn PDF document text
  • http://sure2trips.com/bot/ckfinder/uf/files/detonomikinifadevizu.pdfIn PDF document text
  • http://stefani.cz/fck/file/45943916688.pdfIn PDF document text
  • http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139cc0e56942---sedobawafogix.pdfIn PDF document text
  • http://khojedu.net/userfiles/file/32855332718.pdfIn PDF document text
  • http://topimmigrationlawyer.org/ckfinder/userfiles/files/61990057554.pdfIn PDF document text
  • https://linker.tw/files/debofikipa.pdfIn PDF document text
  • https://rpaxis.net/userfiles/file/guparozivig.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=4ukey+apk+downloadPDF 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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