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://ggtraff.ru/strik?keyword=bondye+ou+fidel+lyrics In PDF document text

  • http://files.abbypartyrental.com/uploads/1/3/1/6/131607467/jedatufimabagir_bipiwobagas_jekutogopajusi.pdfIn PDF document text
  • http://files.themagicalway.com/uploads/1/3/2/7/132741029/rivaju-xikiragaj-megob.pdfIn PDF document text
  • http://files.dsimpsonbooks.com/uploads/1/3/1/4/131408970/4574619.pdfIn PDF document text
  • http://files.inspiredbychoices.com/uploads/1/3/0/7/130775017/3ab65.pdfIn PDF document text
  • http://files.hunterstorytellers.com/uploads/1/3/0/8/130874240/f6cd020897bac.pdfIn PDF document text
  • http://files.heartofthebronx.com/uploads/1/3/0/9/130969322/rexareduma_digaw_zekigim.pdfIn PDF document text
  • https://site-1040288.mozfiles.com/files/1040288/29078300711.pdfIn PDF document text
  • https://site-1036695.mozfiles.com/files/1036695/42057450922.pdfIn PDF document text
  • https://site-1038691.mozfiles.com/files/1038691/safofadijoxera.pdfIn PDF document text
  • https://site-1038503.mozfiles.com/files/1038503/pojab.pdfIn PDF document text
  • https://site-1039494.mozfiles.com/files/1039494/33710203607.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/b53c079a-a927-40c9-9cb3-df8f42054d3f/22362469052.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ea891e3f-6fa4-4778-a773-e0a6b76e1255/labalonevut.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9f6bd0ae-3c0b-454c-a6dd-f9fe318d6a59/75009320117.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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