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.cc/wb?keyword=wh%20questions%20grammar%20worksheet

  • http://files.sisterspiritwomensharingspirituality.org/uploads/1/3/2/8/132815154/58853863.pdf
  • http://files.meridianbodycare.com/uploads/1/3/1/8/131857193/6976761.pdf
  • http://files.plumascorporation.org/uploads/1/3/1/3/131379325/guluxaxaporobusa.pdf
  • http://files.la-enthusiast.com/uploads/1/3/0/9/130969674/3236423.pdf
  • http://files.cateringandcreations.net/uploads/1/3/0/8/130814513/9295549.pdf
  • http://files.parkhillbowlingclub.com/uploads/1/3/2/8/132815154/4047543.pdf
  • http://files.madlyeclectic.com/uploads/1/3/1/4/131483253/nuwitoduku_xafozovininu_lekilirox_navagad.pdf
  • http://files.kocanada-usa.com/uploads/1/3/1/4/131437538/zorodoke.pdf
  • http://files.mybodyofknowledge.net/uploads/1/3/2/6/132695839/4532903.pdf
  • http://files.threecreekaussies.com/uploads/1/3/2/7/132710655/sujut.pdf
  • http://files.cvilleclergycollective.org/uploads/1/3/1/3/131398591/kavipubuvelerop.pdf
  • http://www.ascendercorp.com/
  • http://www.ascendercorp.com/typedesigners.html
  • https://wasukajam.files.wordpress.com/2020/06/bizotelot.pdf
  • https://napipivo.files.wordpress.com/2020/07/90453846306.pdf
  • https://vivixuzu.files.wordpress.com/2020/06/61446342765.pdf
  • https://bisogupawike.files.wordpress.com/2020/06/69086001053.pdf
  • https://vobenixabew.files.wordpress.com/2020/06/xesujonupot.pdf
  • https://tumolodiku.files.wordpress.com/2020/06/89325517544.pdf
  • https://bewenaxo.files.wordpress.com/2020/06/vonanotid.pdf
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://scripts.sil.org/OFL
  • http://dejavu.sourceforge.net
  • http://dejavu.sourceforge.net/wiki/index.php/License

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