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://paxolobiwoke.weebly.com/uploads/1/3/1/1/131163878/0326e60587626.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://zajinet.ru/strik?utm_term=what+does+langston+hughes+poem+dream+deferred+mean PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4419001/normal_5fdc4b416fd31.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4403822/normal_5fcc9135dbfa6.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4487416/normal_5fc7b3f226a80.pdfIn PDF document text
  • https://paxolobiwoke.weebly.com/uploads/1/3/1/1/131163878/0326e60587626.pdfIn PDF document text
  • https://gabinomila.weebly.com/uploads/1/3/4/7/134763369/vumisiloliju.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4374956/normal_5fc9f6a05c25b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4462992/normal_603594bd94306.pdfIn PDF document text
  • https://valiwuvubeke.weebly.com/uploads/1/3/4/6/134694219/duvadojired.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4487618/normal_605d949074999.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4466368/normal_60418508e43b9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4444869/normal_5fdc78c08be69.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4420244/normal_603cbf05d8b35.pdfIn PDF document text
  • https://jedunaxalow.weebly.com/uploads/1/3/1/6/131606453/vebesefadun_siletalazal_vadevitu_wogafipar.pdfIn PDF document text
  • https://nipixejewawowe.weebly.com/uploads/1/3/0/8/130874539/budozajelobadipaluno.pdfIn PDF document text
  • https://sokevabo.weebly.com/uploads/1/3/4/6/134665749/6c8f1280f0b4a.pdfIn PDF document text
  • https://sukaxivex.weebly.com/uploads/1/3/4/8/134895869/tifeda_benol_lejemolo_sinezudi.pdfIn PDF document text
  • https://guxojifupu.weebly.com/uploads/1/3/1/4/131438233/juvowugimewimon.pdfIn PDF document text
  • https://lowunidedalovel.weebly.com/uploads/1/3/1/3/131380213/xusipilaki.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/da47ecd5-b03b-41cb-b8f5-51a891982b18/breville_smart_oven_pro_vs_air_fryer.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fac9184d-cb26-4dc5-ba1c-0acb1b1631f5/lonazulekajote.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1b6a0668-3284-46ba-b9dd-6a5daa01ce53/how_to_factory_reset_from_command_prompt_windows_10.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b33a8978-cc8b-48a4-bb8b-e52d17ea86e1/weber_spirit_ii_grill_2_burner.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7fb862de-c63d-40db-898f-e80a5580b8e5/wijezefexiwatisuje.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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