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
• 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.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://zurenigexozaxil.weebly.com/uploads/1/3/4/6/134606750/0eef18606d90f9a.pdf.
• 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://coretry.ru/pbw?utm_term=download+game+gundam+battle+mod+apk PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4454042/normal_602b3dcc34f38.pdfIn PDF document text
  • https://zurenigexozaxil.weebly.com/uploads/1/3/4/6/134606750/0eef18606d90f9a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367621/normal_6033a7d8ec3af.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4495999/normal_5fc7d1f35bfd0.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4477873/normal_60049472e2f7b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4473890/normal_6032270208405.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4459468/normal_5ff4665a2dfc1.pdfIn PDF document text
  • https://sizadomuwegemos.weebly.com/uploads/1/3/5/3/135335556/lofuwi.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366027/normal_605d7c6082d57.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4461761/normal_603342a65a700.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4491934/normal_603865ab61971.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367004/normal_5fd8b694138ce.pdfIn PDF document text
  • https://dibuponabax.weebly.com/uploads/1/3/4/3/134340508/8229.pdfIn PDF document text
  • https://nudegono.weebly.com/uploads/1/3/4/6/134682657/zemiguzu_waras.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4416125/normal_600bcc83b307d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371809/normal_60417dbfeed90.pdfIn PDF document text
  • https://fililajivivumir.weebly.com/uploads/1/3/4/4/134456316/0b159f5.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://joriguzo.pbworks.com/f/download_mod_galacticraft.pdfIn PDF document text
  • http://guronavageba.pbworks.com/f/25837484139.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/deae0196-05a8-4a83-9828-cc8167c60136/the_telomere_effect.pdfIn PDF document text
  • http://taxexuwej.pbworks.com/w/file/fetch/144645534/norton_anthology_of_american_literature_shorter_9th_edition.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1f22b49e-a1a9-4d9f-9bfa-549c16bd8c8a/rejafujapikudasipera.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/29f04b98-8931-48cb-9d1e-a99b26a43c59/kaponebirurubatifer.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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