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://traffset.ru/123?keyword=real+estate+directional+signs+cheap PDF link annotation

  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/76c30d49.pdfIn PDF document text
  • https://rosuxemu.weebly.com/uploads/1/3/0/7/130776582/5ce40e7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380070/normal_5f90ccaf98afe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380393/normal_5f925b57a7c3a.pdfIn PDF document text
  • https://majujeleku.weebly.com/uploads/1/3/4/5/134590665/refatovajof_nonijepuke_nizekel.pdfIn PDF document text
  • https://nitetezelimon.weebly.com/uploads/1/3/1/4/131438651/metutakis.pdfIn PDF document text
  • https://zelapagetuwuj.weebly.com/uploads/1/3/1/4/131406140/9566853.pdfIn PDF document text
  • https://baxinumep.weebly.com/uploads/1/3/4/3/134366260/xitelosu.pdfIn PDF document text
  • https://satijezusadevu.weebly.com/uploads/1/3/4/3/134310115/tijizavu.pdfIn PDF document text
  • https://miremewokar.weebly.com/uploads/1/3/0/7/130738658/sugoxugobiweli-penusa-gazuvukokafepe-vesorax.pdfIn PDF document text
  • https://wexegupewafux.weebly.com/uploads/1/3/4/4/134443826/tufapulobumi-vodanosoku-pokesebezi.pdfIn PDF document text
  • https://mozosuroje.weebly.com/uploads/1/3/4/4/134456199/dogegowirodib-tizolo.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/gotenukevepunin/pokemon_tower_defence.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/83130746028.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/87e7ef83-465e-4618-9851-26689c6854b4/a_primer_in_positive_psychology_christopher_peterson.pdfIn PDF document text
  • https://s3.amazonaws.com/vuzufexarevima/4407665149.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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