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=poco+launcher+2.0+apk+download In PDF document text

  • https://cdn-cms.f-static.net/uploads/4375095/normal_5f8ca23d98bbd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377935/normal_5f8c552cf010a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382408/normal_5f8b56ba37fba.pdfIn PDF document text
  • https://jazafojof.weebly.com/uploads/1/3/4/3/134310209/rirovebo-vofevufasexoto.pdfIn PDF document text
  • https://xodetawutal.weebly.com/uploads/1/3/0/7/130774968/8339796.pdfIn PDF document text
  • https://nogafuku.weebly.com/uploads/1/3/2/8/132815296/5987814.pdfIn PDF document text
  • https://gonerogad.weebly.com/uploads/1/3/1/4/131438616/b9247dde35.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000749b.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000749b.bin)
  • https://uploads.strikinglycdn.com/files/3ae5f23f-d511-4758-ad67-6f17d114a5e2/48133157968.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/1556/7035/files/kuxenalonukobozida.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/4823/3881/files/mikoloji_ders_notlar.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9065/0293/files/44906190674.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9117/4584/files/74837267420.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8081/9881/files/launcher_apk_android_4.2.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/71274303360.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/mumawomijipoke.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/contract_farming_agreement.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/podomiwiwirubegukabe.pdfIn PDF document text
  • https://s3.amazonaws.com/vonuxagupeduze/use_of_articles_in_english_grammar_worksheet.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_off0000749b.bin)

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