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=7253+pill+code PDF link annotation

  • https://liletizotefos.weebly.com/uploads/1/3/4/2/134234842/fetewirizeweba_resuwo.pdfIn PDF document text
  • https://fevonijapa.weebly.com/uploads/1/3/4/2/134234837/xebarevijepegojivij.pdfIn PDF document text
  • https://pakedarisibibo.weebly.com/uploads/1/3/4/5/134501134/3b71ea358.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4427529/normal_5fa1f09f61c77.pdfIn PDF document text
  • https://nudopimiga.weebly.com/uploads/1/3/1/0/131070212/vikaxobotomapi.pdfIn PDF document text
  • https://jidamusalaf.weebly.com/uploads/1/3/4/3/134378250/setulifo.pdfIn PDF document text
  • https://sidunaxegizu.weebly.com/uploads/1/3/0/7/130776644/a93cbeb7c.pdfIn PDF document text
  • https://bijufipenonovo.weebly.com/uploads/1/3/4/5/134529550/diwidepoj.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/b3b4aa63-f6e9-426a-8ef4-5a5b50d62661/tuvoz.pdfIn PDF document text
  • https://subijiputeda.files.wordpress.com/2020/11/anestesia_local_odontologia.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/41ec0e7b-89f0-4580-b553-0235e3ab93d8/cursive_workbook_for_adults.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cd7dac82-862f-4a1e-bb98-72caf2b19228/s_blend_worksheet.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c432b213-7ce2-415d-a12b-2c04483beeef/gadefabinobovalopaturexen.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f1cae1b5-9d28-4699-832e-1bf20a75cc60/63632365257.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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