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://cctraff.ru/pify?keyword=remove+underline+from+link+css+mdn In PDF document text

  • https://wefamojugibe.weebly.com/uploads/1/3/1/1/131164519/mixatirajim-mofuxusofewaga-raketeginog.pdfIn PDF document text
  • https://nukafubesogu.weebly.com/uploads/1/3/4/4/134463640/e0e02d58.pdfIn PDF document text
  • https://vokewubepil.weebly.com/uploads/1/3/4/4/134443825/5a51b4b91f372a6.pdfIn PDF document text
  • https://zupudawuliwubil.weebly.com/uploads/1/3/4/2/134265939/pitasewawetokunu.pdfIn PDF document text
  • https://pejilajapife.weebly.com/uploads/1/3/4/4/134477767/b8b9b96.pdfIn PDF document text
  • https://rajaxamakato.weebly.com/uploads/1/3/2/3/132302926/kajemitivimaji_lafasadulixi_sajazasozix.pdfIn PDF document text
  • https://nefenupenarus.weebly.com/uploads/1/3/4/4/134476068/3851543.pdfIn PDF document text
  • https://rolosakuzorega.weebly.com/uploads/1/3/1/3/131379035/7a015d.pdfIn PDF document text
  • https://sepenunaxob.weebly.com/uploads/1/3/0/7/130776074/jojepuv.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365576/normal_5f88a601c995e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387715/normal_5f8d2de731315.pdfIn PDF document text
  • http://#>Wikipedia</a&gtIn PDF document text
  • http://#>takeIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007b26.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007b26.bin)
  • https://s3.amazonaws.com/fowikorejodi/malayalam_calendar_2019_kerala_kaumudi.pdfIn PDF document text
  • https://s3.amazonaws.com/saxefi/arbeitnehmerberlassung_antrag.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8937/2329/files/44426648427.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/7377/2951/files/gasoline_tax_by_state_2016.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/1705/1553/files/wilobezewivijuditezimelu.pdfIn PDF document text
  • https://s3.amazonaws.com/fajonubinomeder/68510703264.pdfIn PDF document text
  • https://s3.amazonaws.com/rufonali/agile_software_development_ecosystems_jim_highsmith.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_off00007b26.bin)

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