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.
• Cloud document impersonation lure medium SE_CLOUD_DOC_LURE
  Document impersonates a cloud file-sharing service such as SharePoint, OneDrive, Google Drive, Dropbox, Box, or Microsoft 365 and asks the user to open, verify, or access a shared document
• 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=windows+7+vpn+setup+step+by+step PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4393358/normal_601881be201d3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4414498/normal_601656155263c.pdfIn PDF document text
  • http://the-job.ru/dantes_inferno_in_plain_and_simple_englishiopsc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403260/normal_601c7124ba7eb.pdfIn PDF document text
  • http://bukapim.mywebcommunity.org/99118629674.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4460963/normal_6019109577c26.pdfIn PDF document text
  • http://swast-group.website/ivan_turgenev_first_lovecnvnq.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4424630/normal_5fd77d47375e9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402737/normal_601c686c2f8c5.pdfIn PDF document text
  • http://wozupabalaviv.medianewsonline.com/best_english_story_books_for_beginners.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384831/normal_600f571ecd34f.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4465274/normal_5fe367266df31.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4426820/normal_5ff20b4948606.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4485578/normal_5fe60c79bb5d0.pdfIn PDF document text
  • http://c-advance.space/10_kinds_of_adjectives_and_examplesrnye2.pdfIn PDF document text
  • http://mishabelle.ru/sirona_goddess_storyux1bl.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4462992/normal_600ea0300da5e.pdfIn PDF document text
  • http://keepxufi.space/rilesubirijiis8xs.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4407810/normal_5fc5bba14afd6.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://37976aa0-f55f-47d3-847a-8d185b13ebf6.filesusr.com/ugd/1d6212_fb48d3df22604ed5833902504719fbd5.pdf?index=trueIn PDF document text
  • https://3d7c42e8-cad9-4196-8f3c-0f210fd97588.filesusr.com/ugd/1b7c00_5e148b0c93814a33b5a9415ae2e50c9d.pdf?index=trueIn PDF document text
  • https://a04ad255-06d6-4b17-97e7-91173d300295.filesusr.com/ugd/6864df_2c911971f5d0489aa689f9346fa8081b.pdf?index=trueIn PDF document text
  • https://23751d96-d7b3-42ca-b8ca-e459b671ea95.filesusr.com/ugd/7de994_9ab30422ba7f4b6baca53c525a6bc45e.pdf?index=trueIn PDF document text
  • https://45e41439-46a4-4c97-84f0-155cfeda4cef.filesusr.com/ugd/9d7ad9_75130a38c2bf42aea548359a84bb5e9f.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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