Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
  Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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://jumiwimov.ru/strik?utm_term=what+are+the+dos+commands+for+windows+7 PDF link annotation

  • https://wujupeduluruwuv.weebly.com/uploads/1/3/5/3/135316277/1943537.pdfIn PDF document text
  • https://wuwejinetuna.weebly.com/uploads/1/3/2/6/132681176/5233512.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4421780/normal_5fcae8c333f48.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4416802/normal_606c43bc13115.pdfIn PDF document text
  • https://bapefakujina.weebly.com/uploads/1/3/4/4/134483882/a2f37725c5c.pdfIn PDF document text
  • http://sajutasure.22web.org/giwedopoxusike.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4368250/normal_5fedfd7c6f0f2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417118/normal_5fd849878518e.pdfIn PDF document text
  • http://dobujebenebif.66ghz.com/30375146756.pdfIn PDF document text
  • https://nesujuge.weebly.com/uploads/1/3/1/4/131407687/zagini_gukunev_sapizujowiwo.pdfIn PDF document text
  • http://lumilizigi.iblogger.org/46568335092.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4410694/normal_6024ac3a89662.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/nonipesikiri/47876992480.pdfIn PDF document text
  • https://636e06b3-920c-4898-b827-ef778bbbc101.filesusr.com/ugd/40512e_4176f982d03745c68cdd4bded03ebca6.pdf?index=trueIn PDF document text
  • http://dorizoki.rf.gd/4566004485.pdfIn PDF document text
  • http://rutuber.rf.gd/47071971845.pdfIn PDF document text
  • https://adc0bc6f-2b4d-4951-bce0-9128d215fa34.filesusr.com/ugd/5ea4d5_039c8c1b776148aebdecb0f53c85df32.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/tawovojo/the_road_cormac_mccarthy_quotes.pdfIn PDF document text
  • https://b0c090b1-cb02-46d8-8a69-3fb9d82636b6.filesusr.com/ugd/4dbf3f_2e97e022ca69457ca4503a68a3809b87.pdf?index=trueIn 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://scripts.sil.org/OFLIn PDF document text

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