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 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.
• 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://resalured.ru/123?utm_term=tai+chi+chuan+24-steps+for+beginners+lesson-6 PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4445871/normal_5fe94115f3f05.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4462714/normal_60212c6692137.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4492245/normal_601dd62feac42.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4401558/normal_603cfcc835864.pdfIn PDF document text
  • https://gebiralegesexi.weebly.com/uploads/1/3/0/8/130814020/buxefigunifiri.pdfIn PDF document text
  • https://vilawamilufulob.weebly.com/uploads/1/3/6/0/136006615/jawalegi.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4446162/normal_6008c05a0fcad.pdfIn PDF document text
  • http://keepxufi.space/43982711929jrxqr.pdfIn PDF document text
  • https://xulakuvoloja.weebly.com/uploads/1/3/0/8/130813987/bikukerubefises-julorajeru.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4472185/normal_6016fd7a53796.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4470977/normal_600a8551910f7.pdfIn PDF document text
  • http://itdiscount.info/libertango_free_sheet_music_accordionmdbn8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380070/normal_601c979629300.pdfIn PDF document text
  • https://pepomujotopulog.weebly.com/uploads/1/3/4/8/134873529/69cdbb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403823/normal_603487775b526.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://3c3b6f52-20a2-448a-be11-eec5930c502f.filesusr.com/ugd/0ca786_26b37d9006d34f11a3658a5960e47fdc.pdf?index=trueIn PDF document text
  • https://9d50af6f-dbf7-41ba-b854-83985329a12b.filesusr.com/ugd/33c377_5927c1e6264841e789299078a5afd827.pdf?index=trueIn PDF document text
  • https://78bdfa25-736e-4945-a764-db21511aacb9.filesusr.com/ugd/9bd82e_539df7ae6f794e3a9b758359d255bf38.pdf?index=trueIn PDF document text
  • https://01d67eed-50ba-4ccb-8f82-c1581f7ed07e.filesusr.com/ugd/e3325f_b6f7ca25a9b74af5a13b96d8a1d2bc8a.pdf?index=trueIn PDF document text
  • https://34e223d5-b18a-4f89-96b3-7c58aa965d90.filesusr.com/ugd/440e29_94f504315c8e413c8d6ff1045cf4c05a.pdf?index=trueIn PDF document text
  • https://f733e552-90a1-4d1f-83ca-a6b36afcf31c.filesusr.com/ugd/38bf1f_5100711ea8d645b9b44780fbea211e88.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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