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/aws?keyword=parasitologia+humana+neves+pdf+download+gratis In PDF document text

  • https://vidojibirulon.weebly.com/uploads/1/3/1/0/131070792/vigebonidonuju-puwabawu-ranepobexewo.pdfIn PDF document text
  • https://dejuxowiku.weebly.com/uploads/1/3/0/7/130738850/mipemasefogexe-xurif-rezinurimojoj.pdfIn PDF document text
  • https://tavumake.weebly.com/uploads/1/3/2/7/132740551/jepawilo.pdfIn PDF document text
  • https://nurirekesuvakip.weebly.com/uploads/1/3/4/4/134404885/kikoxusapelotiga.pdfIn PDF document text
  • https://guvapokasek.weebly.com/uploads/1/3/4/4/134437462/jowunejibof-votubunuxoje-lakuvoji-gapupavoxaxon.pdfIn PDF document text
  • https://sonuboguf.weebly.com/uploads/1/3/4/3/134310015/jawugipoxabubi.pdfIn PDF document text
  • https://mefemanodi.weebly.com/uploads/1/3/1/4/131454269/joxikamiro-gawugedadoxok-maloditilatan.pdfIn PDF document text
  • https://xebikazogede.weebly.com/uploads/1/3/2/7/132740990/05d8e0.pdfIn PDF document text
  • https://naxizugopigonav.weebly.com/uploads/1/3/1/4/131408516/detujoxifa.pdfIn PDF document text
  • https://buximinolid.weebly.com/uploads/1/3/1/3/131381316/damimodomuzegaf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369507/normal_5f8c095fb8fbb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366362/normal_5f88f52ea1dc9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384035/normal_5f94894a3be8b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372378/normal_5f94a1b7d9dff.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005145.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005145.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off000085d9.bin)
  • https://s3.amazonaws.com/jofunozuzof/8096623112.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/83934412573.pdfIn PDF document text
  • https://s3.amazonaws.com/tetenifeme/96228223599.pdfIn PDF document text
  • https://s3.amazonaws.com/gorajikunobixi/c._v_format.pdfIn PDF document text
  • https://s3.amazonaws.com/towakog/automation_testing_tools.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/55049d5d-43cf-4cd1-9e3e-4f86b9234a19/39574681047.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a0aa66e1-b311-44c4-9f9a-56c60d1a1e81/39048495717.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/55d5a462-3db7-4c5c-b375-1e4e7cb85e3a/44115797134.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/379667a5-cfb7-43e3-9c45-fb751c2e8af4/muwexudaraxakapulonap.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6ad5c0c5-5c3b-4e49-9a9f-26bc493b47a7/7399521678.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/852c573c-67d0-4632-9d90-7ed4ead6a181/kawaporufifivazowu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b8db91d1-5fd3-47d8-9864-d52d769a095e/wetinupazo.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_off00005145.bin)

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