Malicious PDF — malware analysis report

Heuristics 7

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• 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.
• 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://ttraff.me/123?keyword=how+to+join+google+group+with+hotmail+account In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369643/normal_5f8a9ff4dcafd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382408/normal_5f9755f33862c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370288/normal_5f8b6932ef67a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380694/normal_5f9081780fe4d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366949/normal_5f8f79e3d108e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393349/normal_5f92539ea738c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368478/normal_5f8a6bfb01edf.pdfIn PDF document text
  • https://zinikedefi.weebly.com/uploads/1/3/0/7/130740178/wokikutipurikerubu.pdfIn PDF document text
  • https://worozimovazez.weebly.com/uploads/1/3/1/4/131406108/e14db029f6c46f7.pdfIn PDF document text
  • https://zuragani.weebly.com/uploads/1/3/1/4/131438510/fafesutubije-xaziliniduteba.pdfIn PDF document text
  • https://buximinolid.weebly.com/uploads/1/3/1/3/131381316/3314470.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389090/normal_5f8dccf8ac6a0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369794/normal_5f89620f19119.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370266/normal_5f901cb6cd1ce.pdfIn PDF document text
  • https://kubupukadumu.weebly.com/uploads/1/3/1/3/131382740/3f3244003.pdfIn PDF document text
  • https://tivakoxidedopa.weebly.com/uploads/1/3/0/7/130776298/vesuk.pdfIn PDF document text
  • https://pirizujimo.weebly.com/uploads/1/3/4/4/134454944/ba89ccb6c1a632.pdfIn PDF document text
  • https://zimiduninu.weebly.com/uploads/1/3/1/6/131637103/6843763.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00008705.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00008705.bin)
  • https://s3.amazonaws.com/tuzamada/vowisiwubefi.pdfIn PDF document text
  • https://s3.amazonaws.com/xamibudasagas/bray_butterfly_valves.pdfIn PDF document text
  • https://s3.amazonaws.com/fejatepudopito/55459169240.pdfIn PDF document text
  • https://s3.amazonaws.com/mefadedosuw/bitafave.pdfIn PDF document text
  • https://s3.amazonaws.com/jumedemimo/69061292545.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 extracted file (font_00_sfnt_off00008705.bin)

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