Malicious PDF — malware analysis report

Heuristics 5

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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://cctraff.ru/aws?keyword=soldier+front+rankings+2020 In PDF document text

  • https://xelegiri.weebly.com/uploads/1/3/4/4/134435730/zebemazumexibipevob.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4418171/normal_5f9a5d66f2063.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393020/normal_5f9801a9ad2de.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408340/normal_5f9a0fd692458.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375517/normal_5f908dcb3896c.pdfIn PDF document text
  • https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/foburadip.pdfIn PDF document text
  • https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/3532345.pdfIn PDF document text
  • https://jutivodip.weebly.com/uploads/1/3/4/4/134489611/4e86bff0a3f5a8e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413696/normal_5f959a9bd21df.pdfIn PDF document text
  • https://dubuzosokiboxof.weebly.com/uploads/1/3/1/1/131163723/xifesivorepez_xomofakomaxewis.pdfIn PDF document text
  • https://ligotilup.weebly.com/uploads/1/3/4/3/134313371/d3f1bdb9dc6115.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365608/normal_5f9a2688b7d90.pdfIn PDF document text
  • https://xisubuto.weebly.com/uploads/1/3/1/3/131380177/dawasexurijoxe.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off0000850a.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off0000850a.bin)
  • https://uploads.strikinglycdn.com/files/b9a5cca4-9da5-4aaf-bebe-08f8aa81a553/fadojuvevug.pdfIn PDF document text
  • https://s3.amazonaws.com/rawesaragegugar/73472035099.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d802438b-8b0f-4dda-bca3-d4119f60a5a4/answers_academy_for_ads.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/10276423338.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/jekanibaji.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/5781488089.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/zelejarawerig.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 extracted file (font_01_sfnt_off0000850a.bin)

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