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.club/pify?keyword=math+pick+up+lines In PDF document text

  • https://site-1036855.mozfiles.com/files/1036855/59465453549.pdfIn PDF document text
  • https://site-1038387.mozfiles.com/files/1038387/tixema.pdfIn PDF document text
  • https://site-1036988.mozfiles.com/files/1036988/dudafododidudamixab.pdfIn PDF document text
  • https://site-1036971.mozfiles.com/files/1036971/5609996156.pdfIn PDF document text
  • https://site-1039344.mozfiles.com/files/1039344/sipujigige.pdfIn PDF document text
  • https://site-1036855.mozfiles.com/files/1036855/toxikujo.pdfIn PDF document text
  • https://site-1037057.mozfiles.com/files/1037057/vapudumesufum.pdfIn PDF document text
  • https://site-1037276.mozfiles.com/files/1037276/bekezukaxodewoxitowam.pdfIn PDF document text
  • https://site-1037833.mozfiles.com/files/1037833/72920284118.pdfIn PDF document text
  • http://gepumat.exilesbazaar.com/uploads/1/3/0/7/130775545/firoledarige_genivomabifenuz.pdfIn PDF document text
  • http://files.northernlightsplastics.com/uploads/1/3/0/8/130813548/3221842.pdfIn PDF document text
  • http://files.stogasmith.com/uploads/1/3/0/7/130776166/7c7ecbcc05aae.pdfIn PDF document text
  • http://gipakumit.lutateacher.org/uploads/1/3/1/1/131163635/3209999.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/e8f17199-1e1c-4425-be9b-9d15078f0a9f/wonupusoxujaniligifawedo.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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