Malicious PDF — malware analysis report

Heuristics 4

• 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 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://cctraff.ru/strik?keyword=download+game+mobile+battleground+mod+apk In PDF document text

  • https://site-1038808.mozfiles.com/files/1038808/70428109938.pdfIn PDF document text
  • https://site-1043973.mozfiles.com/files/1043973/3745201003.pdfIn PDF document text
  • https://site-1036956.mozfiles.com/files/1036956/46113805508.pdfIn PDF document text
  • http://files.brickwallcoach.com/uploads/1/3/0/7/130740138/pupotasosowopon.pdfIn PDF document text
  • http://juwutaka.mscalvin.com/uploads/1/3/1/8/131871655/7712285.pdfIn PDF document text
  • http://pijaxo.nwenergy.co.uk/uploads/1/3/2/6/132683169/78601442d.pdfIn PDF document text
  • http://ribito.shopmerryweathers.com/uploads/1/3/1/4/131438539/8033768.pdfIn PDF document text
  • https://site-1042875.mozfiles.com/files/1042875/zupijabawuw.pdfIn PDF document text
  • https://site-1039494.mozfiles.com/files/1039494/63850062395.pdfIn PDF document text
  • https://site-1039921.mozfiles.com/files/1039921/sagitunuzanefitomitexin.pdfIn PDF document text
  • https://site-1039427.mozfiles.com/files/1039427/bipexapozudal.pdfIn PDF document text
  • https://site-1038772.mozfiles.com/files/1038772/wulaluxuwin.pdfIn PDF document text
  • https://site-1037141.mozfiles.com/files/1037141/zetebusobomobiramoda.pdfIn PDF document text
  • https://site-1039878.mozfiles.com/files/1039878/fatesojot.pdfIn PDF document text
  • https://site-1040509.mozfiles.com/files/1040509/tamawubirina.pdfIn PDF document text
  • https://site-1045415.mozfiles.com/files/1045415/5145276928.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In 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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