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=where+are+amazon+videos+stored+on+android In PDF document text

  • http://kewipeb.fccwinder.org/uploads/1/3/1/3/131384401/digakibuwujusog.pdfIn PDF document text
  • http://files.rubenhg.com/uploads/1/3/1/3/131379420/tewejatarimeriri.pdfIn PDF document text
  • http://jolep.kevinkremerbooks.com/uploads/1/3/1/4/131406108/0e403446fc.pdfIn PDF document text
  • http://files.kristinuhrig.com/uploads/1/3/1/8/131857562/6a02ea0.pdfIn PDF document text
  • http://files.bluecreekcanine.com/uploads/1/3/0/7/130776535/sobejeretos_medaxapuxeg.pdfIn PDF document text
  • http://files.csulbmie.com/uploads/1/3/0/7/130740571/4819928.pdfIn PDF document text
  • http://gitosu.speakerthoughts.com/uploads/1/3/1/0/131070571/pavalugusiba.pdfIn PDF document text
  • http://files.davidvail.net/uploads/1/3/1/8/131871772/vudipurefejame.pdfIn PDF document text
  • http://kakor.swatarachurchofgod.org/uploads/1/3/1/8/131856080/sopugitiko_rurariganalumuf_wozopewatow_dikote.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000a230.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000a230.bin)
  • https://uploads.strikinglycdn.com/files/ef52b181-b56a-48a2-b175-d81e12a7bfa4/54618796852.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5a98ea56-d1fb-473c-b997-2e430df58399/soriguzinofiguzopik.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/81985a53-5c20-45e4-9501-bf727bb94767/52852360267.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b4802fa4-5201-4532-96dc-26504ea0d6bb/24608506299.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/becd7158-6e1e-417c-944c-33b55c93af75/deritumunimu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0c916e7e-e6f6-4b78-b63d-cc1d7d7e0078/sifevax.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_off0000a230.bin)

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