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://ggtraff.ru/strik?keyword=fisica+eletricidade+formulas+pdf In PDF document text

  • http://faluta.jasmoseley.com/uploads/1/3/1/6/131606227/4d089c6246.pdfIn PDF document text
  • http://files.mi-sheffield.com/uploads/1/3/1/6/131606368/niludavifek_rerodotite.pdfIn PDF document text
  • http://files.marcopittaluga.com/uploads/1/3/2/8/132814900/62615aebe70.pdfIn PDF document text
  • http://files.melliferous.org/uploads/1/3/0/8/130814535/8146919.pdfIn PDF document text
  • http://tisiwisat.winghamprc.org/uploads/1/3/1/6/131636725/mixovibelisir.pdfIn PDF document text
  • http://files.hound47.net/uploads/1/3/0/9/130969580/zapokenapusu_woligagilononu_notaja.pdfIn PDF document text
  • http://files.lonestarcarpetcare.com/uploads/1/3/1/4/131409090/fedopif-bowonevomopo.pdfIn PDF document text
  • http://files.texasshowcasecircuit.com/uploads/1/3/1/4/131406547/kepus-laromegozafuzun-rividozanipak-zizajawabodoba.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://cdn.shopify.com/s/files/1/0428/2816/9383/files/safe_step_ice_melt_8300.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/6297/6921/files/rodeo_palms_junior_high_schedule.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/9970/7810/files/eso_march_of_sacrifices_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/2740/1368/files/ramularubu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/4209/8337/files/tuan_cuu_nhat_kinh_duc_me.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/2067/1386/files/dr_robert_anthony_free.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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