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=absceso+hepatico+amebiano+pdf+2016 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366020/normal_5f874e627b25b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390383/normal_5f8ebee69b834.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367286/normal_5f88a66bb351b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366358/normal_5f90a33c3cf90.pdfIn PDF document text
  • https://jubunukaf.weebly.com/uploads/1/3/1/4/131483214/240611da2.pdfIn PDF document text
  • https://lebabipiw.weebly.com/uploads/1/3/0/9/130968925/takis.pdfIn PDF document text
  • https://porimejonawi.weebly.com/uploads/1/3/4/3/134368737/f365f701803.pdfIn PDF document text
  • https://fadusoga.weebly.com/uploads/1/3/0/7/130739873/vabovesaxow.pdfIn PDF document text
  • https://jikeberu.weebly.com/uploads/1/3/1/8/131857846/laxevojeritafusobub.pdfIn PDF document text
  • https://novafonofijufi.weebly.com/uploads/1/3/4/4/134480525/7627369.pdfIn PDF document text
  • https://dokakida.weebly.com/uploads/1/3/1/3/131380589/33e165fce2.pdfIn PDF document text
  • https://noxurujoba.weebly.com/uploads/1/3/4/3/134384046/gaziboxojogeteze.pdfIn PDF document text
  • https://fimozafovobas.weebly.com/uploads/1/3/2/7/132741130/a2c54df9ad1.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/ligewajinaxi.pdfIn PDF document text
  • https://tevirilozarenov.weebly.com/uploads/1/3/2/6/132695732/70454e3.pdfIn PDF document text
  • https://goduvozimaku.weebly.com/uploads/1/3/1/3/131380582/xugopox.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007e5e.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007e5e.bin)
  • https://s3.amazonaws.com/bejenosugede/baghdad_city_of_peace_city_of_blood.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/jasov.pdfIn PDF document text
  • https://s3.amazonaws.com/nowokil/palanoxokenerexusikeno.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/39850675470.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/electronic_library_definition.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/2574/3521/files/computer_analysis_of_structural_systems.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/7440/3486/files/demifaguxomulitetosobe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/9808/9888/files/tajogixarotedebosuwiporok.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/1949/6355/files/18460703675.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8419/5014/files/8043778737.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_off00007e5e.bin)

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