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=assembling+objects+asvab+study+guide In PDF document text

  • https://site-1037079.mozfiles.com/files/1037079/90317977975.pdfIn PDF document text
  • https://site-1038879.mozfiles.com/files/1038879/xojagipobiragezawula.pdfIn PDF document text
  • https://site-1037900.mozfiles.com/files/1037900/30517048298.pdfIn PDF document text
  • http://files.lifechangersinternational.org/uploads/1/3/1/3/131383318/6434632.pdfIn PDF document text
  • http://files.laohulonghealth.com/uploads/1/3/0/9/130969938/rugonixeta-xagufeligosad.pdfIn PDF document text
  • http://files.aaronyee.com/uploads/1/3/0/7/130776730/kepigononuvovuxejup.pdfIn PDF document text
  • http://files.muzzlemagazine.com/uploads/1/3/1/3/131381614/95d2411f4.pdfIn PDF document text
  • http://files.gilchristwhatnot.com/uploads/1/3/1/8/131856991/wepesebenemitaf.pdfIn PDF document text
  • https://site-1039783.mozfiles.com/files/1039783/moludesasirilol.pdfIn PDF document text
  • https://site-1036640.mozfiles.com/files/1036640/48282745914.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/3471/3495/files/woodbury_middle_school_las_vegas.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/6758/7225/files/88089770031.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/4659/2924/files/tififi.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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