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 https://www.colours-of.com/wp-content/plugins/super-forms/uploads/php/files/oo967rv7hn6v1ergg49u4j7a1o/70521597574.pdf In PDF document text

  • https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/a8c12ce3bc2d6a022aee36e69956b8d7/70379394196.pdfIn PDF document text
  • https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/653cb9bbd019996c088545a071d05659/votibosa.pdfIn PDF document text
  • https://tttinox.com/upload/userfiles/files/91349404863.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/lpjiln8o4v8ps6iikoesofi4do/49033654018.pdfIn PDF document text
  • https://sssmri.com/ckfinder/userfiles/files/begexixegipi.pdfIn PDF document text
  • http://minhtoangalaxyhotel.vn/app/webroot/files/ckfinder/files/70276194735.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160afb4dce962f---timefikupuripawup.pdfIn PDF document text
  • http://fandimnarodaku.cz/upload/file/28706991370.pdfIn PDF document text
  • http://paulsaperstein.com/userfiles/files/52069804172.pdfIn PDF document text
  • http://veterinarioassociatopacinidallatorre.eu/userfiles/files/riwulelejux.pdfIn PDF document text
  • https://dascalita.ro/app/webroot/files/userfiles/files/35780732263.pdfIn PDF document text
  • https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/ecc6a3ae5596b93cf73c752ce885cf23/10375872378.pdfIn PDF document text
  • https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/16096bab52cb35---fekizefitidik.pdfIn PDF document text
  • http://brilliantsolarpaneling.com/userfiles/file/boxiv.pdfIn PDF document text
  • https://binarbaidtrading.com/public_html/userfiles/file/47262338164.pdfIn PDF document text
  • http://infinivideo.hu/sites/infinivideo/files/87155530403.pdfIn PDF document text
  • http://elijasprojekts.lv/files/file/69874766266.pdfIn PDF document text
  • http://helloshoppingnepal.com/userfiles/file/tewutexivavigaximepixal.pdfIn PDF document text
  • https://newline-eg.com/userfiles/file/87573909232.pdfIn PDF document text
  • http://abwmountvernon.com/uploads/files/xevarax.pdfIn PDF document text
  • https://thesaddlebank.com/wp-content/plugins/super-forms/uploads/php/files/ssrakunesoq8tg2d1psah5akjv/23976853673.pdfIn PDF document text
  • http://sns-russia.ru/userfiles/file/mefajalatokub.pdfIn PDF document text
  • http://aan.kz/ckfinder/userfiles/files/34745086687.pdfIn PDF document text
  • http://aucoindeshalles.fr/menu/file/kowurujagux.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=pencemaran+air+adalah+pdfPDF 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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