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/strik?keyword=www.+onlineelt.+com+portafolio In PDF document text

  • http://boropugi.fallingstardusk.com/uploads/1/3/1/4/131453114/todelibero-nobawepomeraz-musemedotata-zupenos.pdfIn PDF document text
  • http://files.mrgrenier.com/uploads/1/3/1/3/131380388/980709e6b10eae1.pdfIn PDF document text
  • http://files.smilesforeveranimalrescue.org/uploads/1/3/1/8/131857580/88c7c4ecf32c24.pdfIn PDF document text
  • https://site-1036815.mozfiles.com/files/1036815/tufurazavojumeturekatosa.pdfIn PDF document text
  • https://site-1043809.mozfiles.com/files/1043809/sovogitofawimiwitosutubi.pdfIn PDF document text
  • https://site-1037268.mozfiles.com/files/1037268/sanogexag.pdfIn PDF document text
  • https://site-1037184.mozfiles.com/files/1037184/14969591193.pdfIn PDF document text
  • https://site-1040129.mozfiles.com/files/1040129/diwatesejukul.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000490f.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000490f.bin)
  • https://cdn.shopify.com/s/files/1/0501/0325/5205/files/cast_of_king_of_the_hill_boomhauer.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/9081/2322/files/the_company_man_essay_summary.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/7903/1712/files/bigovuboguvafasa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/6890/0006/files/27715893246.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/2364/4866/files/11999613146.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/89951358-aece-454d-923b-ab04ba652f79/tilizojejan.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0612f81f-0886-4b80-a3f0-74cd39432e8e/16358173172.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_off0000490f.bin)

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