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://ttraff.me/123?keyword=shout+factory+tv+apk In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365624/normal_5f88af1d29287.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365657/normal_5f8813e7ee094.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365642/normal_5f8710312d91f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404116/normal_5f9180a04422b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4412895/normal_5f95ae71abb62.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373304/normal_5f8fd7f847a22.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403260/normal_5f920f5770c21.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369793/normal_5f8978f5982c5.pdfIn PDF document text
  • https://texitanoz.weebly.com/uploads/1/3/0/7/130739996/9048649.pdfIn PDF document text
  • https://lixaworone.weebly.com/uploads/1/3/1/8/131871871/8742883.pdfIn PDF document text
  • https://jepirozo.weebly.com/uploads/1/3/4/4/134474462/ff1fdd.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006285.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006285.bin)
  • https://uploads.strikinglycdn.com/files/de76d21a-afa5-4fb6-abe4-1a603c2e1c46/94218641676.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/81d262fc-7894-40be-bbf5-7021ddce2abb/bookkeeping_workbook_for_dummies.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0488/5390/9660/files/kingdom_rush_hacked_google_sites.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/9148/3032/files/chlorpromazine_davis.pdfIn PDF document text
  • https://s3.amazonaws.com/podawakumepewez/21391188148.pdfIn PDF document text
  • https://s3.amazonaws.com/vaxebisapesi/modosuzexewijixuxixis.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/83963977522.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_off00006285.bin)

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