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://ttraff.link/pify?keyword=geometry+january+2015+regents+answers In PDF document text

  • https://dejolezeg.weebly.com/uploads/1/3/2/8/132815968/2083024.pdfIn PDF document text
  • https://kilejotiwig.weebly.com/uploads/1/3/1/4/131406519/52e6c.pdfIn PDF document text
  • https://sipavokipepino.weebly.com/uploads/1/3/4/3/134330850/a8667e7e58b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371791/normal_5f92b16e4c778.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367687/normal_5f8e21605a644.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367952/normal_5f9077d0e8fd2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374696/normal_5f8bda067aa7f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388279/normal_5f94670bcce2c.pdfIn PDF document text
  • https://xexovelez.weebly.com/uploads/1/3/0/8/130813416/8d7fb8f.pdfIn PDF document text
  • https://wijisozafepu.weebly.com/uploads/1/3/4/3/134356417/jevopagivozopavivofa.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000070e4.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000070e4.bin)
  • https://uploads.strikinglycdn.com/files/15e3f08d-3374-4093-9fe9-bc4586972465/42164575623.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9f6482af-5a0d-485f-ae91-21a973ad54f3/10659903892.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6fcd8529-d083-440e-bd1a-149898264eee/kingdom_come_deliverance_merhojed_pl.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/zulagomore.pdfIn PDF document text
  • https://s3.amazonaws.com/jeworurowam/vogiwufewililipalov.pdfIn PDF document text
  • https://s3.amazonaws.com/rodigapigeta/any_document_to_converter_free_download.pdfIn PDF document text
  • https://s3.amazonaws.com/dutimajizowa/luliwawixiwodominolaja.pdfIn PDF document text
  • https://s3.amazonaws.com/xumakomowi/fusionner_mac_sierra.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bd5fef5f-1759-403b-8cb7-c87eb54e2bfc/74985331079.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/514d5380-512a-47e0-8100-5d233bd5c899/90053817816.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/407dac3d-937f-4ca3-900c-7907a3ecea2e/zituf.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c23087c1-ee09-4395-845c-3bee5b77e24e/derup.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/34f5deb6-76ab-4df5-b96e-4d08e1d87225/fekokojedoziverapiluvidaz.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://dejavu.sourceforge.netIn extracted file (stream_006_off0000a828.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (stream_006_off0000a828.bin)
  • http://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off000070e4.bin)

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