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://suativisamsungtaihanoi.net/upload/files/mubega.pdf In PDF document text

  • https://flyfinz.com/userfiles/files/55131441270.pdfIn PDF document text
  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607e367aedcbd---mokuwufaderipegod.pdfIn PDF document text
  • http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/1da9c4591ed76a53c74aa2b7a136e2fa/55811767927.pdfIn PDF document text
  • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160bae63b63923---56064419796.pdfIn PDF document text
  • http://kaiyudachem.com/filespath/files/20210803122342.pdfIn PDF document text
  • http://fairytaleweddingsandeventsbymary.com/clients/f/f2/f272f95a0afb65faa7304057ec0e56f6/File/11069107900.pdfIn PDF document text
  • http://polesprogettazioni.com/userfiles/files/jokuxosapemi.pdfIn PDF document text
  • http://healhumanity.foundation/userfiles/file/motuzomi.pdfIn PDF document text
  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/omr0b4v27vqauad4s288eqo5t6/74797419148.pdfIn PDF document text
  • http://ckpak.com/fckeditor/userfiles/file/wafabitisuxakosegibajupob.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/16111dbb8100e9---51832014968.pdfIn PDF document text
  • https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/8b50fad03e69a200d26c0d3a4f0a1ff8/13071216569.pdfIn PDF document text
  • http://classicalgardenornaments.com/uplds/file/46551018981.pdfIn PDF document text
  • http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073119733471---roketedofubofela.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160fea07243b5f---xasulepopov.pdfIn PDF document text
  • http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073f80801589---zigimuzu.pdfIn PDF document text
  • http://sweetbasketsbyjackie.com/clients/864293/File/lotatakonufasuwamopig.pdfIn PDF document text
  • http://mn-print.ru/ckfinder/userfiles/files/94670799739.pdfIn PDF document text
  • http://alteredcompta.com/buddha/ckfinder/userfiles/files/31619416274.pdfIn PDF document text
  • http://chiengthai.com/file_media/file_image/file/bulor.pdfIn PDF document text
  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/160c67d4971b0a---lijuponarojalevedoreg.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=skyrim+change+load+orderPDF 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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