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://gettraff.ru/strik?keyword=soundcloud+go+apk+reddit In PDF document text

  • https://site-1036861.mozfiles.com/files/1036861/4368329531.pdfIn PDF document text
  • https://site-1040293.mozfiles.com/files/1040293/bojuwobarorinelipagap.pdfIn PDF document text
  • https://site-1039641.mozfiles.com/files/1039641/duwobijifopezovoza.pdfIn PDF document text
  • https://site-1037106.mozfiles.com/files/1037106/58474918275.pdfIn PDF document text
  • https://site-1043580.mozfiles.com/files/1043580/47578225054.pdfIn PDF document text
  • https://site-1036629.mozfiles.com/files/1036629/90866901716.pdfIn PDF document text
  • https://site-1037029.mozfiles.com/files/1037029/44243842447.pdfIn PDF document text
  • http://files.pacificrimfoundation.org/uploads/1/3/2/6/132683251/8764722.pdfIn PDF document text
  • http://bitekudu.ohmsensacre.com/uploads/1/3/1/3/131397970/208f2277b3c0f.pdfIn PDF document text
  • http://befuwul.deanvukelicstonemason.com/uploads/1/3/1/4/131452836/kinav-jogobixit-perenigov-mevurugivuba.pdfIn PDF document text
  • http://jovofalef.elevatedanceantioch.com/uploads/1/3/1/4/131453631/zijurilemexegore.pdfIn PDF document text
  • http://notexu.foragesomerset.co.uk/uploads/1/3/0/7/130740437/vosewugowevedas.pdfIn PDF document text
  • http://files.thesassytomato.ca/uploads/1/3/1/3/131381819/36632b75.pdfIn PDF document text
  • http://files.fluid-venting-system.org/uploads/1/3/0/7/130775704/majobazikevin_mufuxotujop_wulun_tugugepaladozaj.pdfIn PDF document text
  • http://lalatura.royal12.com/uploads/1/3/0/8/130814873/8321012.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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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