Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://cctraff.ru/123?keyword=android+blackmart+apk In PDF document text

  • https://xesaranit.weebly.com/uploads/1/3/2/6/132696194/kamirid.pdfIn PDF document text
  • https://mejefarekobuk.weebly.com/uploads/1/3/4/3/134338461/xilevotanugis.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387713/normal_5f8eb278328e0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386095/normal_5f92f68549b55.pdfIn PDF document text
  • https://nujidigazinuwag.weebly.com/uploads/1/3/4/3/134318548/majusu.pdfIn PDF document text
  • https://veforolafumokiv.weebly.com/uploads/1/3/4/3/134340642/nawazuk_xiradowesi_likawuf_gikelowig.pdfIn PDF document text
  • https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/foburadip.pdfIn PDF document text
  • https://siwizapetodid.weebly.com/uploads/1/3/4/0/134041585/4856516.pdfIn PDF document text
  • https://lagukekejase.weebly.com/uploads/1/3/0/8/130815031/babovidavut_puxoriropibadol.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4419001/normal_5f96800e63a9e.pdfIn PDF document text
  • https://devuzagobeli.weebly.com/uploads/1/3/4/4/134431767/nezubogoki_tanadene_jigoj.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006d6a.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006d6a.bin)
  • https://uploads.strikinglycdn.com/files/0b27a39a-a9a7-44cb-ac11-d4d2c24cfc8b/buvijoxedazobozet.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/24df1fee-2ed7-47d0-9a8d-b2eeaf7bb239/generos_y_subgeneros_literarios.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e9d40654-0862-4ec5-95cd-aa3140792729/89139851080.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6fc46236-b8f9-4b0d-bc97-d5d25bb283cd/poptropica_shrink_ray_island.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_off00006d6a.bin)

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