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.
• 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://seumenha.ru/strik?utm_term=is+nscdc+2019+shortlisted+candidates+out PDF link annotation

  • https://nusokusin.weebly.com/uploads/1/3/4/3/134350978/tuzed.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4500186/normal_60308d24c7102.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369651/normal_600cf1a0ac3a0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4474987/normal_6029a5f8c4e67.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4475392/normal_60206f8724472.pdfIn PDF document text
  • https://julamukipupa.weebly.com/uploads/1/3/0/7/130739907/dorud.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376354/normal_60584cbb4f876.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380393/normal_60113d5e28d51.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4460066/normal_603975c1b5f1d.pdfIn PDF document text
  • https://pobogovowot.weebly.com/uploads/1/3/5/3/135323888/guraf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4501206/normal_604b0f947077d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4476432/normal_6063af2186bd4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4455403/normal_6046e5d502009.pdfIn PDF document text
  • https://static.s123-cdn-static-d.com/uploads/4414173/normal_60b15ae5b1664.pdfIn PDF document text
  • https://dobamadolexazi.weebly.com/uploads/1/3/4/4/134478964/b33f7455d1e87.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4414353/normal_5fdd2e123af82.pdfIn PDF document text
  • https://penabapemuzoji.weebly.com/uploads/1/3/1/4/131453208/bilasuxumil.pdfIn PDF document text
  • https://jirumovovajunu.weebly.com/uploads/1/3/4/8/134899481/8065083.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4368485/normal_5ff3aa2c72d19.pdfIn PDF document text
  • https://xedatuvigino.weebly.com/uploads/1/3/4/5/134580066/minumifafujagedujema.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/a6eb3c0d-a1a1-42f0-b73a-f93c6f5b0b5e/easy_definition_of_cradle_to_cradle_design.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cc510f0f-a017-4b6c-b946-630eaed3f5a2/the_little_red_hen_makes_pizza_read_aloud.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7f34b6dc-1323-4066-b68a-469da1a1a426/divina_comedia_purgatorio_resumen_por_cantos.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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