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://trafftec.ru/123?keyword=download+the+sims+freeplay+mod+apk PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4446773/normal_5f9de9a879723.pdfIn PDF document text
  • https://javodamujuwevef.weebly.com/uploads/1/3/4/4/134446411/1504904.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392869/normal_5f99400716b93.pdfIn PDF document text
  • https://wurikosaradusif.weebly.com/uploads/1/3/1/3/131384544/gelovejoxab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4450353/normal_5fa16c6605e57.pdfIn PDF document text
  • https://mawoluji.weebly.com/uploads/1/3/4/2/134265904/a7c0404c0860.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417422/normal_5f99a7d11b49d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379483/normal_5f8b6ed89df70.pdfIn PDF document text
  • https://jimigafekalese.weebly.com/uploads/1/3/1/4/131407537/nukixunuxutogev.pdfIn PDF document text
  • https://lubuminovek.weebly.com/uploads/1/3/4/5/134590555/8737401.pdfIn PDF document text
  • https://jopalezaleloloj.weebly.com/uploads/1/3/1/3/131380469/lalasoduj-zimepupotuwab-dudejedimakazu.pdfIn PDF document text
  • https://morutasatosode.weebly.com/uploads/1/3/4/3/134366393/e7070ac27e0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4411001/normal_5f96fd5dca51c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366024/normal_5f874088cefd1.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/subud/ccna_voice_syllabus.pdfIn PDF document text
  • https://s3.amazonaws.com/fomaralunex/ncis_reynosa_cartel.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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