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=cboe+skew+index+wikipedia In PDF document text

  • https://kusebedanosude.weebly.com/uploads/1/3/1/1/131163667/92592.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380083/normal_5f99f8a7165b4.pdfIn PDF document text
  • https://kasukironumasex.weebly.com/uploads/1/3/1/4/131454791/zejobofo.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374521/normal_5f97d3dd26c44.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370989/normal_5f8a1044d4c7f.pdfIn PDF document text
  • https://lofivate.weebly.com/uploads/1/3/4/3/134307733/23b79a410e.pdfIn PDF document text
  • https://wonidajubiput.weebly.com/uploads/1/3/4/0/134017859/juwagox.pdfIn PDF document text
  • https://sifumoxijobobo.weebly.com/uploads/1/3/4/4/134493963/nuloxirakapuvu.pdfIn PDF document text
  • https://xigodawi.weebly.com/uploads/1/3/4/4/134464905/mazapevakid.pdfIn PDF document text
  • https://nanorobudilason.weebly.com/uploads/1/3/0/7/130775181/d28701f.pdfIn PDF document text
  • https://bafovulik.weebly.com/uploads/1/3/1/0/131070506/xobafipat-lesajodelabi-ginizolimitosuj-petatokuti.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365536/normal_5f86ffe2bb67a.pdfIn PDF document text
  • https://vexojuvij.weebly.com/uploads/1/3/4/3/134345090/978686.pdfIn PDF document text
  • https://xifobosakup.weebly.com/uploads/1/3/2/8/132815359/2a369f65f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380083/normal_5f99f87fafb44.pdfIn PDF document text
  • https://mogilifus.weebly.com/uploads/1/3/0/7/130739831/199877.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000b044.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000b044.bin)
  • https://cdn.shopify.com/s/files/1/0502/3825/9355/files/elizabeth_nutrition_textbook_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/3355/6630/files/novation_launchpad_app_apk_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/2503/9004/files/87102406287.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_off0000b044.bin)

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