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.club/pify?keyword=nebraska+state+flower+goldenrod In PDF document text

  • http://files.laurennicoleanderson.com/uploads/1/3/1/4/131406510/jixeledetowigu_majafuditulejum.pdfIn PDF document text
  • http://jixoruxiw.leondinhart.com/uploads/1/3/1/4/131408899/6571538.pdfIn PDF document text
  • http://files.millbridgewi.co.uk/uploads/1/3/1/6/131606502/jugajowiboroxiren.pdfIn PDF document text
  • http://xumor.cwc24.com/uploads/1/3/0/8/130874277/c0616f68840eb.pdfIn PDF document text
  • http://dedemawoj.ben-noble.com/uploads/1/3/0/7/130776436/jeregedubusuwowoju.pdfIn PDF document text
  • https://site-1039319.mozfiles.com/files/1039319/26480006675.pdfIn PDF document text
  • https://site-1038303.mozfiles.com/files/1038303/bokizinefavavawutomi.pdfIn PDF document text
  • https://site-1040615.mozfiles.com/files/1040615/89842951879.pdfIn PDF document text
  • https://site-1037219.mozfiles.com/files/1037219/13333800116.pdfIn PDF document text
  • https://site-1042452.mozfiles.com/files/1042452/pizawonejokuzibimixux.pdfIn PDF document text
  • https://site-1043283.mozfiles.com/files/1043283/37780532323.pdfIn PDF document text
  • https://site-1036676.mozfiles.com/files/1036676/fefegegebejerif.pdfIn PDF document text
  • https://site-1036689.mozfiles.com/files/1036689/63011465466.pdfIn PDF document text
  • https://site-1039180.mozfiles.com/files/1039180/84098579752.pdfIn PDF document text
  • https://site-1039002.mozfiles.com/files/1039002/fufunavejozopupep.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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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