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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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://cctraff.ru/aws?keyword=merriam+webster+dictionary+apk+pro In PDF document text

  • https://cdn-cms.f-static.net/uploads/4390350/normal_5f95907ccccd1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365653/normal_5f86fb50559ad.pdfIn PDF document text
  • https://zitajajelenineb.weebly.com/uploads/1/3/4/5/134512459/954474.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383800/normal_5f8be77ebc4b9.pdfIn PDF document text
  • https://jobubati.weebly.com/uploads/1/3/1/4/131453688/wigaburokoxag.pdfIn PDF document text
  • https://tegugozitofo.weebly.com/uploads/1/3/0/8/130874592/fa348fb127f.pdfIn PDF document text
  • https://wajiresejepo.weebly.com/uploads/1/3/0/7/130774962/f99e3c7b2233e8.pdfIn PDF document text
  • https://wofexexugov.weebly.com/uploads/1/3/4/3/134318452/nifilavozufa_tudelozosusife.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367938/normal_5f93fdad07367.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367687/normal_5f996df96a1f3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4406777/normal_5f96762a97b0c.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000670e.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000670e.bin)
  • https://s3.amazonaws.com/voxipanovigepiv/definition_of_bullying.pdfIn PDF document text
  • https://s3.amazonaws.com/megulu/zaronalumugizis.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/4246/2618/files/facetime_app_iphone_to_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/8147/2929/files/compass_test_book_study_guide_math.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/0431/1713/files/gumewikamudogapoxazusub.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/3283/8298/files/48534788267.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/8697/7441/files/luzun.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/0746/6398/files/19741230800.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/8274/2950/files/gundam_anime_watch_order.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/2064/6048/files/nuclear_reactor_simulator.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/6871/8756/files/logitech_mk850_manual.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_off0000670e.bin)

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