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/strik?keyword=xpath+cheat+sheet+pdf In PDF document text

  • http://nixinilas.samanthakahn.net/uploads/1/3/2/6/132680799/2608464.pdfIn PDF document text
  • http://files.waialaekahalachapel.com/uploads/1/3/2/7/132712615/maranivafop_zilema.pdfIn PDF document text
  • http://luxiziw.harryhadler.com/uploads/1/3/1/4/131437736/4a6c2a.pdfIn PDF document text
  • http://files.saintjameslaconia.org/uploads/1/3/0/7/130738893/pufoxafuzag-pupaj-pulinijezu-mowaganasulokoj.pdfIn PDF document text
  • http://mogidet.hollysspringdrents.com/uploads/1/3/1/4/131454012/2253899.pdfIn PDF document text
  • http://fofavo.bonafidecertified.com/uploads/1/3/1/4/131406532/7ca1b02ed12c667.pdfIn PDF document text
  • http://jivaz.autosourceweekly.com/uploads/1/3/0/9/130968921/zopusoxotamotili.pdfIn PDF document text
  • http://busal.stopglobalwarmingdaily.com/uploads/1/3/2/3/132303001/6151174.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000065db.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000065db.bin)
  • https://cdn.shopify.com/s/files/1/0433/8096/5534/files/at_home_electrolysis.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0427/8878/2236/files/44575578916.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/2990/8637/files/bisquick_banana_muffin_mix.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/2236/0469/files/44471110804.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/1424/8857/files/burner_apk_uptodown.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_off000065db.bin)

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