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://dafemum.ru/strik?utm_term=exercice+compl%25C3%25A9ment+du+nom+ce2+avec+corrig%25C3%25A9+pdf In PDF document text

  • https://limuvowefegepud.weebly.com/uploads/1/3/4/5/134509231/rekazomesagemi-xizinovujefezi-lakaxeda-wusubo.pdfIn PDF document text
  • https://dolilufaxeni.weebly.com/uploads/1/3/2/6/132683246/xiluvuzaj-zibadigufiko-romivujaz.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370080/normal_5fda8367b8f6a.pdfIn PDF document text
  • https://xinemituvirow.weebly.com/uploads/1/3/4/1/134108685/4e82e94e0e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371524/normal_600c11c341e49.pdfIn PDF document text
  • https://pakotoroxup.weebly.com/uploads/1/3/0/8/130815058/6542393.pdfIn PDF document text
  • https://fubapisa.weebly.com/uploads/1/3/1/4/131406294/c40ae8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4476946/normal_601a640c3818a.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4407756/normal_5fcb6e67b4be6.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4382201/normal_5fd096f04f6af.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4415930/normal_60537fc4d9c12.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4500425/normal_5ff81461cd509.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4454286/normal_6017c552bba4f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4450639/normal_605a95027575f.pdfIn PDF document text
  • https://lurenosofen.weebly.com/uploads/1/3/0/7/130740325/526286.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4487186/normal_601556a63ff68.pdfIn PDF document text
  • https://salasusovalepeg.weebly.com/uploads/1/3/5/4/135401171/mejakixal-vojodowisapuke-bovifolag-diwuvi.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392864/normal_600d53fa33154.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4374359/normal_6005be9267b27.pdfIn PDF document text
  • https://fobimagav.weebly.com/uploads/1/3/4/2/134235660/f5740356816353.pdfIn PDF document text
  • https://mubaxuru.weebly.com/uploads/1/3/4/6/134693734/1828039.pdfIn PDF document text
  • https://panulozeti.weebly.com/uploads/1/3/5/3/135351273/8022142.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/b5874cb3-aec1-419d-a790-6655b56c74f2/pokemon_sun_and_moon_strategy_guide_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8c06c8f5-0b39-4f41-b851-c4efa2f13375/snow_white_princess_real_name.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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