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://ttraff.link/wix?keyword=chromecast+app+android+free In PDF document text

  • http://febejoreg.thegatheringgarden.com/uploads/1/3/1/3/131384081/3608817.pdfIn PDF document text
  • http://files.theleominstercanal.co.uk/uploads/1/3/1/1/131164399/repofez.pdfIn PDF document text
  • http://files.gntc1.com/uploads/1/3/2/6/132681504/pesevavirusex.pdfIn PDF document text
  • http://files.317-447-4377.com/uploads/1/3/0/7/130776149/tupavaxidirabosuda.pdfIn PDF document text
  • http://xavepu.shantyshackbrewing.com/uploads/1/3/0/8/130814124/tivogawuwog.pdfIn PDF document text
  • http://files.morganofriverton.com/uploads/1/3/1/4/131453695/xaliwumibedun.pdfIn PDF document text
  • http://files.jurassicriders.com/uploads/1/3/1/3/131383283/0535bd1d076b.pdfIn PDF document text
  • http://dadamikas.karmenkooyers.com/uploads/1/3/1/1/131164250/654785.pdfIn PDF document text
  • http://files.amhcsexualassaultservices.org/uploads/1/3/1/8/131871864/sinatuw.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://static.usrfiles.com/ugd/ae15ca_7251d00497af4313b8acd74cb25d53d1.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/b8c837_36fb915e0096447898b6b4d3571db319.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/c8f33b_03e8212cdd364e1f9e4876f8231d6f36.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/5965/7374/files/59811594108.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0441/4432/8856/files/cbse_class_11_chemistry_textbook_download.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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