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://pelibifir.ru/aws?utm_term=download+win+10+free+upgrade PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4457881/normal_6027d71c4c019.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4414869/normal_5fe64af3a1085.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4465685/normal_5fe8f6c31ef0e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4471114/normal_604671af72e1f.pdfIn PDF document text
  • https://jetezoxow.weebly.com/uploads/1/3/1/3/131379231/kufanufo_vijunogikuwubor_wevolelemefi_pomolore.pdfIn PDF document text
  • https://bopugokux.weebly.com/uploads/1/3/4/9/134901566/1609037.pdfIn PDF document text
  • https://fitepavi.weebly.com/uploads/1/3/4/4/134485464/5836a3e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380211/normal_6057a9c9e4c07.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4464523/normal_600109285d970.pdfIn PDF document text
  • https://puluzoxaxidu.weebly.com/uploads/1/3/2/6/132683087/29ece030.pdfIn PDF document text
  • https://kajubuti.weebly.com/uploads/1/3/2/6/132680994/6507855.pdfIn PDF document text
  • https://zekaxuwamawebi.weebly.com/uploads/1/3/5/9/135961115/4c19756c.pdfIn PDF document text
  • https://butegipabozu.weebly.com/uploads/1/3/4/2/134235803/xaduxis_zarinegit_riloxisalilu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4475729/normal_603581d656f71.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4486363/normal_601a01d1af972.pdfIn PDF document text
  • https://rirulejirosajis.weebly.com/uploads/1/3/4/3/134320684/8720798.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4390330/normal_5fc6b25a55ec8.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4401694/normal_5fefed6519110.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://45f61934-b4a1-4335-a9e3-e142d9465b5b.filesusr.com/ugd/0dd040_bb8b829f934a40e980493bc94fe8451d.pdf?index=trueIn PDF document text
  • https://8ac5c8e1-9174-427d-95c2-90bebb9f105a.filesusr.com/ugd/44b221_e9c7f5dcc31a469eb0175cbf0e1ff8a3.pdf?index=trueIn PDF document text
  • https://ad9f1622-e3b7-49db-bfef-326c48fb2104.filesusr.com/ugd/a467d2_8ae9fd3712d24b2b860c4ac98e3627d5.pdf?index=trueIn PDF document text
  • https://2f8a6ab9-e864-4757-b083-6627a13f4c48.filesusr.com/ugd/405339_0ba3ff3d25d94e4db8c34e000896372f.pdf?index=trueIn PDF document text
  • https://eb72eaa1-ef55-40a3-a653-f6d21bccf295.filesusr.com/ugd/54913d_3695a4dab8e6449fa914418ce6809797.pdf?index=trueIn PDF document text
  • https://43081b45-6e48-4b43-b724-9328fda377ae.filesusr.com/ugd/26481d_a340344a33324d519c2b9c5979931550.pdf?index=trueIn PDF document text
  • https://f4dd034e-00c7-465c-b850-fb2d75accad5.filesusr.com/ugd/769f78_2545084ef0c949cc85da8bf843b2a0ce.pdf?index=trueIn PDF document text
  • https://a6668164-4238-4e0d-addb-cc4c62f58fca.filesusr.com/ugd/2dfcca_459610d269ec4dde955391493e63689f.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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