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://cctraff.ru/strik?keyword=chris+brown+party+free+mp3+download In PDF document text

  • https://cdn-cms.f-static.net/uploads/4373304/normal_5f8ab415305ff.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366402/normal_5f87890ad27df.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367268/normal_5f8828644ee18.pdfIn PDF document text
  • https://penopetidurip.weebly.com/uploads/1/3/2/8/132815040/goturelozizese.pdfIn PDF document text
  • https://digonowokeke.weebly.com/uploads/1/3/1/8/131856318/525394.pdfIn PDF document text
  • https://xawuwotogot.weebly.com/uploads/1/3/2/6/132695388/sidalez_jatomuworu.pdfIn PDF document text
  • https://wirukibit.weebly.com/uploads/1/3/0/9/130969322/ef07abc.pdfIn PDF document text
  • https://ditiwudo.weebly.com/uploads/1/3/1/4/131452947/fatodopetodubabumor.pdfIn PDF document text
  • https://wepugimi.weebly.com/uploads/1/3/1/0/131070973/8746e.pdfIn PDF document text
  • https://boguvetasitob.weebly.com/uploads/1/3/1/3/131380850/ralazalulawima_bupokonesu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365606/normal_5f87354c42b2b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366354/normal_5f882fbb28ec5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366364/normal_5f8b632cc881d.pdfIn PDF document text
  • http://fontawesome.iohttp://fontawesome.io/license/In extracted file (font_00_sfnt_off00005132.bin)
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off00005e44.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off00005e44.bin)
  • https://uploads.strikinglycdn.com/files/3b8d35a8-9284-4f10-afb0-1f47ce68f038/67927121506.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6dd543d1-ade9-405b-b824-919272bb4461/98529609325.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/70996e89-5833-43e3-ad83-278fdd5a8c35/dutopowezi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/153b8c11-d140-46ca-bda6-ff1850a486df/88317394910.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0d4d7044-4dd4-4078-a64a-b7646ae7a55b/zorulovab.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_01_sfnt_off00005e44.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_04_sfnt_off0000a63c.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_04_sfnt_off0000a63c.bin)

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