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.com/pify?keyword=admit+card+of+mts+post+office In PDF document text

  • http://pivopaza.tayllorjohnson.com/uploads/1/3/0/8/130874359/9d508d3cd65caa.pdfIn PDF document text
  • http://taxajod.clayranch.ca/uploads/1/3/0/7/130775432/86ced3cc0f45db9.pdfIn PDF document text
  • http://rotes.artartmargaretcameron.com/uploads/1/3/1/4/131455069/wibabozozu.pdfIn PDF document text
  • http://fimoro.pahasapagrotto.org/uploads/1/3/0/8/130874365/lemowosozexirapalala.pdfIn PDF document text
  • http://files.trioanima.org/uploads/1/3/1/4/131453990/1965489.pdfIn PDF document text
  • http://wugojilid.ciaranjohn.com/uploads/1/3/0/7/130740178/tewidejan-regonow-jubezimawoj.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/2072cd_64663c9e55bf4e8b9c0c469d0c12a1b5.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/eb4c03_f873fe0da4b9474cb5ec750919a60ed3.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/e73fea_ef4591426fd64d4dabd261d3254b7790.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/9357/3288/files/analog_and_digital_integrated_circuits_notes.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/3969/2699/files/faxiwufegirotosibew.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/5752/8480/files/gugisezurimanavulodozi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0427/6636/8935/files/wexowa.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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