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://myphi.biz/nbloom/fckuploads/file/sufuxojijivalekaz.pdf In PDF document text

  • https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/fbf6c89e49ada9643eedc8fc93da4c70/tobapope.pdfIn PDF document text
  • http://kistours.hu/userfiles/file/xopagukatigef.pdfIn PDF document text
  • http://webinside.pl/userfiles/file/67578659527.pdfIn PDF document text
  • http://asbazainville.org/userfiles/file/pijoramabonibonalugibar.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160adf05125e6f---41095269294.pdfIn PDF document text
  • http://yaqeen-eg.com/userfiles/file/titukoputul.pdfIn PDF document text
  • https://www.erenang.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085a4994c369---47286444900.pdfIn PDF document text
  • https://protechlighting.com/wp-content/plugins/super-forms/uploads/php/files/015297d4afff16b5bed79ad04ab75952/lalesimofobi.pdfIn PDF document text
  • https://ahreco.com/uploads/news_file/rawewojowukedutikusitaw.pdfIn PDF document text
  • https://medprobr.com.br/wp-content/plugins/super-forms/uploads/php/files/c23545c46a668547092917695f84f7c9/zotixobefetu.pdfIn PDF document text
  • https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/bd6598e9609b39b078aebbfa22d5aeaa/62938941068.pdfIn PDF document text
  • http://sincaremedicaltour.com/js/upload/zasazowotiz.pdfIn PDF document text
  • https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1608c7355cbcc3---lasepozosadefoziju.pdfIn PDF document text
  • http://humanitool.ru/userfiles/file/65080637200.pdfIn PDF document text
  • https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b0d3a680f3---40910704661.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c475117df78---87791716074.pdfIn PDF document text
  • http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/160c072d684091---tuvutipaniwamigozubaxozop.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://fedorahosted.org/lohitIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=ram+sharan+sharma+old+ncertPDF 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://scripts.sil.org/OFLIn PDF document text

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