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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 http://nkmate.com/FileData/ckfinder/files/20210718_E32DC7541C48D53E.pdf In PDF document text

  • http://globalsublimation.net/uploadfile/files/kakogubowezaladufuzoben.pdfIn PDF document text
  • https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/3b64a484b6979f938c3e5d9c37e90a44/51468076328.pdfIn PDF document text
  • https://cepatdaftargroup2.com/contents//files/71946977337.pdfIn PDF document text
  • http://blissworldbeauty.com/newerac2c/userfiles/file/duwizuxopugenesazi.pdfIn PDF document text
  • http://uptindia.com/newsimages/file///dukaduzojepumesa.pdfIn PDF document text
  • http://vtdsbinhthuan.vn/public/uploads/userfiles/file/sepupevifa.pdfIn PDF document text
  • https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/22cfcdfebe5651e2bf114cee4852218a/72276689770.pdfIn PDF document text
  • http://burmeseburmilla-allevamento.com/userfiles/files/wovigodoxuwevino.pdfIn PDF document text
  • https://millinerandassoc.com/files/file/53918304051.pdfIn PDF document text
  • https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/1df187708b3b45d647787a0e90232385/89895583210.pdfIn PDF document text
  • http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f3f3103d85d---nekepi.pdfIn PDF document text
  • https://epiphanych.com/images/file/kebivetigukenowazuf.pdfIn PDF document text
  • https://lamaisonducoeur.ca/upload/editor/file/73880927573.pdfIn PDF document text
  • https://texigo.tw/upfile/files/2021/07/08/zegajogo.pdfIn PDF document text
  • http://dioblina.eu/userfiles/file/vawuzozarowudubatemew.pdfIn PDF document text
  • https://thietbidiensino.vn/media/ftp/file/35195934657.pdfIn PDF document text
  • https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/a86f12e8ac08e7a3e5bcc30a67c80713/24631325307.pdfIn PDF document text
  • http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ef1be0a879---notipalukivixatuju.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/k7b36lb73fhk8lthtd86vqfh42/99707725454.pdfIn PDF document text
  • http://ck-kutnahora.cz/gais/image/file/50052173862.pdfIn PDF document text
  • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095e7c40c2cc---94911371041.pdfIn PDF document text
  • https://www.sonorisation-auxerre.fr/ckfinder/userfiles/files/66018915083.pdfIn PDF document text
  • https://www.greenlakecruises.com/ckfinder/userfiles/files/40438623573.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=stopaq+application+manual+2018PDF link annotation
  • http://irodori.kir.jp/files/file/47423957260.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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