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=grindr+xtra+apk+ios In PDF document text

  • http://files.thephonify.com/uploads/1/3/1/3/131380440/fazopidi.pdfIn PDF document text
  • http://files.homeinspectorhamptonroads.com/uploads/1/3/1/4/131406390/dilam.pdfIn PDF document text
  • http://files.dancefuriously.com/uploads/1/3/1/3/131379118/3057c559.pdfIn PDF document text
  • https://site-1036630.mozfiles.com/files/1036630/36528283122.pdfIn PDF document text
  • https://site-1039446.mozfiles.com/files/1039446/sosixawolunaxanoba.pdfIn PDF document text
  • https://site-1036879.mozfiles.com/files/1036879/31269156583.pdfIn PDF document text
  • https://site-1043963.mozfiles.com/files/1043963/botosow.pdfIn PDF document text
  • https://site-1039874.mozfiles.com/files/1039874/sonenav.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
  • https://uploads.strikinglycdn.com/files/c04bcde6-3b9c-46c5-b824-a055be6afede/8387877679.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2d7a1033-452f-4338-abf3-7f46dfeea10c/xuvijefafilidixo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/76a698d7-12b2-4b44-b65a-a4da4ede1dcc/7642677949.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fd223d8d-5872-4a4d-a5f8-54898f62368b/lamefuguli.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/38d831bd-5e19-4248-b713-4719f4fdfe13/75119327095.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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