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://gettraff.ru/strik?keyword=jocelyn+ridgely+nude In PDF document text

  • http://files.ogormemphis.org/uploads/1/3/1/3/131381374/770b2a7eadd9.pdfIn PDF document text
  • http://teduga.b-dogdesign.nl/uploads/1/3/1/4/131406535/6897724.pdfIn PDF document text
  • http://zufube.seepennstate.org/uploads/1/3/1/4/131454046/kafab.pdfIn PDF document text
  • http://files.darryljarvis.com/uploads/1/3/0/9/130969966/vajigofuxodulazo.pdfIn PDF document text
  • http://files.alabamasigmas.org/uploads/1/3/1/3/131379732/e3031738a.pdfIn PDF document text
  • http://sezumikev.mikasasaki.com/uploads/1/3/1/4/131437064/xutazujofilenu-safozodan.pdfIn PDF document text
  • http://vawuf.ryandurbinceramics.com/uploads/1/3/1/8/131871479/e428e361550b90.pdfIn PDF document text
  • http://fovowe.isabelwitte.org/uploads/1/3/1/8/131856979/gabup_jibitigimezuri_finotifipiwexe_rakunesun.pdfIn PDF document text
  • http://nejat.thedrewfund.com/uploads/1/3/0/8/130813458/3400412.pdfIn PDF document text
  • http://dorinolef.juliaminson.com/uploads/1/3/1/4/131452917/44434.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006682.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006682.bin)
  • https://uploads.strikinglycdn.com/files/757f7449-4433-4696-a05a-86cd621c96d4/20860798446.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5884a48f-7f3e-4d8a-b964-4eb5f75aaa62/dufolaxuzemewesotimofe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/943eb1e0-e653-4fc3-8296-6862aef895b7/98337282982.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 extracted file (font_00_sfnt_off00006682.bin)

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