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://ggtraff.ru/pify?keyword=sprinter+run+unblocked In PDF document text

  • http://tubugafod.hungary2korea.com/uploads/1/3/0/9/130969746/809299.pdfIn PDF document text
  • http://penabepa.brotherwade.com/uploads/1/3/0/8/130874493/9e09f.pdfIn PDF document text
  • http://legik.nt-drisc.org/uploads/1/3/1/3/131383664/xilibupavafizifulube.pdfIn PDF document text
  • http://files.studiosquid.com.au/uploads/1/3/1/0/131070327/f43ce796e.pdfIn PDF document text
  • http://files.aquabydesign.co.uk/uploads/1/3/1/4/131453431/9534664.pdfIn PDF document text
  • http://files.healguyana.org/uploads/1/3/1/4/131452733/ee09126428dd2.pdfIn PDF document text
  • http://vumuge.thaiontheisland.com/uploads/1/3/1/3/131398069/mozexerumewubom_xutusawijap_lapagenaf_bejutidedekugil.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/8d54027d-67ec-4eec-8bd2-c61e19d36e90/5543959094.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e2c4dd4f-9665-4af5-bcae-cd00d6bc1ddf/vozixajumil.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9f30887d-5f2f-4ba0-8550-55046bb198d1/joturekolupo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/7414/5441/files/led_stick_shift_knobs.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/2001/0140/files/60270990675.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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