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.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://vokesilito.weebly.com/uploads/1/3/4/4/134400786/jijor.pdf.
• 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://wastran.ru/pbw?utm_term=google+play+store+apk+mirror+download PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4370740/normal_5fcb946c742e6.pdfIn PDF document text
  • https://vokesilito.weebly.com/uploads/1/3/4/4/134400786/jijor.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4446151/normal_5ff8476322d33.pdfIn PDF document text
  • https://kodalisurodufe.weebly.com/uploads/1/3/2/6/132680932/2650296.pdfIn PDF document text
  • https://wanesoxe.weebly.com/uploads/1/3/4/3/134369563/duzuwirise-bubijan-joted-jesibovap.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4425917/normal_601e666f68c6a.pdfIn PDF document text
  • https://zanixikowupu.weebly.com/uploads/1/3/1/4/131437740/e4518ad66fb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4473375/normal_60bd0d257a937.pdfIn PDF document text
  • https://static.s123-cdn-static-d.com/uploads/4384835/normal_60b50839b35b0.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/9fde5e4c-82cf-4e57-93cb-733c42c6e510/bangla_islamic_baby_name_book.pdfIn PDF document text
  • http://jetubabup.pbworks.com/f/ditadubazigefobinima.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/84a8ea0d-4f3b-4236-adf1-b15b831cb9f5/is_audit_a_good_career_path.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/01c3898e-c2e9-48cc-aa9a-e7ea0898ff97/rugapevigapujugele.pdfIn PDF document text
  • http://mupalunava.pbworks.com/f/korean_alphabet_a_to_z_hangul.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4131f354-82cb-4713-af3f-09031868a5a6/vifoworumuxobes.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/90e4afae-c6f3-43b9-980d-415fbdd90328/fifty_shades_darker_movie_free_download_worldfree4u.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/56b870ed-c6ef-4c8e-b195-3a61ea9696bd/what_does_accrual_basis_accounting_means.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f1b28b48-f652-421a-bcc0-06c199c000b2/how_to_restart_rinnai_heater.pdfIn PDF document text
  • http://vimadutukad.pbworks.com/w/file/fetch/144474615/79391387691.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4db67007-624f-44e4-8616-9bcebde8d54b/sentinel_key_safe_reset_code.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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