Malicious PDF — malware analysis report

Heuristics 5

• 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://trafficel.ru/aws?keyword=remote+play+steam+sound PDF link annotation

  • https://pagofere.weebly.com/uploads/1/3/1/3/131398194/88453fa28c.pdfIn PDF document text
  • https://wokozizexufam.weebly.com/uploads/1/3/4/2/134234926/bewatona.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/belapigojat.pdfIn PDF document text
  • https://fusesekomufe.weebly.com/uploads/1/3/1/6/131606177/lodibanulimes.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://momuvabixot.files.wordpress.com/2020/11/20263710945.pdfIn PDF document text
  • https://s3.amazonaws.com/mipeboro/tv_listings_pascagoula_ms.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2a38e91f-0730-4b97-b1b6-599ad173ada0/cranberry_juice_and_kidney_stones_prevention_or_cure.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/5337949349.pdfIn PDF document text
  • https://tojupeti.files.wordpress.com/2020/11/fawuli.pdfIn PDF document text
  • https://s3.amazonaws.com/fosagoba/canny_edge_detection.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/787d0d42-3866-499d-9c6a-0b850a24b05c/bitejitaxamonaxutonerok.pdfIn PDF document text
  • https://s3.amazonaws.com/garorowa/xuzuni.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4a314ede-9309-439a-9796-e1588116d3b8/ensayo_sobre_la_contaminacion_ambiental.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e5f79f0f-1b6f-4a42-9611-a01fd4ad34ed/31044829807.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1bcce1e0-7dfd-450c-abfd-e794f34bbfa7/contagious_jonah_berger.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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