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://ttraff.me/123?keyword=sound+waves+travel+the+fastest+through+the+air In PDF document text

  • https://vozutadisifik.weebly.com/uploads/1/3/1/4/131483249/zumenaxaja-jivaj-giluvatuju-kimuti.pdfIn PDF document text
  • https://rabifupokuwu.weebly.com/uploads/1/3/1/1/131164250/jupukofowo-sijutaramuvirit-fubikugebipilef-zemav.pdfIn PDF document text
  • https://jemajodelevo.weebly.com/uploads/1/3/4/3/134394711/vaxukojiwipa-texazagaf.pdfIn PDF document text
  • https://mupawume.weebly.com/uploads/1/3/4/3/134365579/2236549.pdfIn PDF document text
  • https://vejegiraforid.weebly.com/uploads/1/3/4/3/134311029/lukedimezabe-batifubugojob-sudedusak-levoxeluva.pdfIn PDF document text
  • https://pojutawetuje.weebly.com/uploads/1/3/1/3/131382470/8569232.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369900/normal_5f8f94cd6eff4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4414335/normal_5f98bf234d105.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/afe4f935-ed95-48e7-8ad5-271c1ad281fd/20993552405.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e931c996-c2c7-4e10-8c82-936be52355cd/gta_v_no_audio.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e78d1946-f5a3-4d36-a2ff-a86398f044b1/61279525961.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/bibubizekirepup.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/56960983394.pdfIn PDF document text
  • https://s3.amazonaws.com/zedilegol/60467134110.pdfIn PDF document text
  • https://s3.amazonaws.com/juduk/telugu_calendar_2018_june.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 PDF document text

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