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://infrive.ru/pbw?utm_term=object+oriented+software+engineering+yogesh+singh+pdf PDF link annotation

  • https://papenuxid.weebly.com/uploads/1/3/0/8/130874395/357e53ff2a.pdfIn PDF document text
  • https://napufifibadabe.weebly.com/uploads/1/3/1/4/131406817/biwitoxowam.pdfIn PDF document text
  • https://lijupumo.weebly.com/uploads/1/3/4/4/134496400/nolur.pdfIn PDF document text
  • https://tumurotijom.weebly.com/uploads/1/3/4/5/134512141/7454680.pdfIn PDF document text
  • https://xuxuroxipekawip.weebly.com/uploads/1/3/4/2/134265976/7019582.pdfIn PDF document text
  • https://xovesoxak.weebly.com/uploads/1/3/0/8/130813458/3101515.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4446931/normal_604ae4f737395.pdfIn PDF document text
  • https://static.s123-cdn-static-d.com/uploads/4444875/normal_60b5858caefef.pdfIn PDF document text
  • https://nupiwezorebor.weebly.com/uploads/1/3/4/7/134715096/7380806.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370088/normal_6048a28ca039c.pdfIn PDF document text
  • https://zogijemomisun.weebly.com/uploads/1/3/4/4/134488733/7965961.pdfIn PDF document text
  • https://judewefa.weebly.com/uploads/1/3/4/6/134652715/xiteripiwika_pigogelov_puforar_nozegidowag.pdfIn PDF document text
  • https://xusezazidajitov.weebly.com/uploads/1/3/5/3/135325201/likisivimu.pdfIn PDF document text
  • https://riwusivi.weebly.com/uploads/1/3/4/9/134900433/verotibozeze.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4473375/normal_602c916964dc4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4424328/normal_601a77d1a8a38.pdfIn PDF document text
  • https://fakerotukipi.weebly.com/uploads/1/3/4/3/134376647/349620.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/0b427838-fdf7-4909-b3cb-ec10ab5fe843/somewhere_over_the_rainbow_original_lyrics.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ad3411fc-e367-46df-ba04-6fe88720b3dd/18887211119.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5f5be68e-f31a-4f27-b691-3da3edc91d06/fesesuvopotigisegi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1124ba75-158e-4a85-b781-d962be32c876/43070787405.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cb97899a-04ed-4b99-b9d6-5282d48943fb/83960125765.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8f33a035-4537-44ab-b2e2-26afc1f4776b/how_do_i_setup_my_netgear_router_as_a_repeater.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8cd3544a-9597-4ac4-b347-be2c330484b8/mcgraw_hill_higher_education_login.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/11acdc5c-5fdd-4843-a144-bde7778fe6f5/divina_commedia_canto_13_parafrasi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1da3fcc4-93e9-473c-81c0-e3f9aa5c1927/humphrey_matrix_visual_field_interpretation.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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