Malicious PDF — malware analysis report

Heuristics 4

• 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 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=where+to+put+gpa+on+resume In PDF document text

  • https://rakikamizop.weebly.com/uploads/1/3/1/4/131437254/4f1982845.pdfIn PDF document text
  • https://jonipafatanepa.weebly.com/uploads/1/3/2/7/132741476/134d576031.pdfIn PDF document text
  • https://pasuliwipo.weebly.com/uploads/1/3/1/4/131452824/6fe2b224aa9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413126/normal_5f96a576015d1.pdfIn PDF document text
  • https://zugufavowi.weebly.com/uploads/1/3/0/8/130874222/52b57d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374521/normal_5f8c228785682.pdfIn PDF document text
  • https://gogebuzavoriro.weebly.com/uploads/1/3/2/6/132681212/063c1.pdfIn PDF document text
  • https://korodaziso.weebly.com/uploads/1/3/0/7/130740443/310717.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369779/normal_5f891be87637f.pdfIn PDF document text
  • https://jixatazibasuv.weebly.com/uploads/1/3/4/4/134402985/gubevivoked.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000679a.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000679a.bin)
  • https://s3.amazonaws.com/pazifetanegapu/8667774671.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0508/1805/6377/files/premium_apk_store.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_00_sfnt_off0000679a.bin)

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