Malicious PDF — malware analysis report

Heuristics 6

• 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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://jacksth.ru/wb?keyword=letter%20format%20sample%20doc PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4410206/normal_5fe098d5de490.pdfIn PDF document text
  • https://samoderusewon.weebly.com/uploads/1/3/1/3/131383586/8935970.pdfIn PDF document text
  • http://dusosax.66ghz.com/21171049641.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417997/normal_60240ca14e00f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408475/normal_601e8b4c4404e.pdfIn PDF document text
  • http://waniwidolo.66ghz.com/android_animated_splash_screen_github.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4469850/normal_600fbbcd19618.pdfIn PDF document text
  • http://ruvaruvifovuk.iblogger.org/bugife.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4407986/normal_5fff74391b441.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413983/normal_5fdc0bbbdbe6a.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4427795/normal_5fde9e5685d9d.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4375885/normal_5feb9be7a549f.pdfIn PDF document text
  • http://sudiwemubitep.22web.org/91572872501.pdfIn PDF document text
  • http://difavusimope.iblogger.org/happy_birthday_wishes_for_wife_video.pdfIn PDF document text
  • http://axecheat1.xyz/30536269624vbyrk.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://mawekipabotore.epizy.com/87260375957.pdfIn PDF document text
  • http://baguzakanaso.epizy.com/travel_guide_book_singapore.pdfIn PDF document text
  • http://sozidimimu.rf.gd/wpf_listbox_controltemplate_datatemplate.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://scripts.sil.org/OFLIn PDF document text

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