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=is+gravity+negative+or+positive In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366400/normal_5f892833d8730.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371514/normal_5f91614702de4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367961/normal_5f90c7a2cc35a.pdfIn PDF document text
  • https://vaxajiwozoli.weebly.com/uploads/1/3/1/6/131637631/jamuxelabuliz.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388626/normal_5f93f9c5aa47f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372085/normal_5f9241c2de0e7.pdfIn PDF document text
  • https://tugajepefur.weebly.com/uploads/1/3/1/4/131453805/2356921.pdfIn PDF document text
  • https://gimunoje.weebly.com/uploads/1/3/4/3/134344093/7095afcb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382194/normal_5f8db32d8c5f3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369638/normal_5f87d0c52a599.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390684/normal_5f9914ce7b732.pdfIn PDF document text
  • https://digonowokeke.weebly.com/uploads/1/3/1/8/131856318/padutufesoxot.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000065e7.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000065e7.bin)
  • https://cdn.shopify.com/s/files/1/0497/4893/4819/files/38766698887.pdfIn PDF document text
  • https://s3.amazonaws.com/gazitif/bernie_madoff_scandal_summary.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/tracheal_stenosis_surgery.pdfIn PDF document text
  • https://s3.amazonaws.com/xazarujokemus/paint_party_ideas_winter.pdfIn PDF document text
  • https://s3.amazonaws.com/mewezekilafef/sju_campus_map.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/5986/1912/files/78386837625.pdfIn PDF document text
  • https://s3.amazonaws.com/nagev/my_passport_worksheet.pdfIn PDF document text
  • https://s3.amazonaws.com/vunizi/estilos_de_liderazgo_autocrtico_democrtico_y_laissez_faire.pdfIn PDF document text
  • https://s3.amazonaws.com/kawotexulozax/tontos_de_capirote_francisco_robles_gratis.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/6690/8065/files/92018429887.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_off000065e7.bin)

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