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=just+one+day+novel+pdf In PDF document text

  • https://mumixopid.weebly.com/uploads/1/3/1/8/131872042/fopumudefixaka.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380523/normal_5f92108e6a7ae.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389809/normal_5f8eceb0b86b9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376606/normal_5f8c9ea1a1686.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371543/normal_5f8c575d28824.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365563/normal_5f8eaae96d113.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367625/normal_5f87575fd9742.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382793/normal_5f9386dceef8e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4406170/normal_5f9395b1268c1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380871/normal_5f937dd7da8e9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367950/normal_5f92be1f20a6e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370288/normal_5f8bf5bb243e3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403683/normal_5f91ec975d359.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383451/normal_5f8c8d120ca22.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006fed.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006fed.bin)
  • https://uploads.strikinglycdn.com/files/7fcabe31-ae44-4ec3-932c-152fb707875b/92416656008.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a1ded4d7-328e-47c7-b8ae-a4dc476529a8/sefomelediluguwuvugape.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/535129cd-e5c8-440e-91ac-9396d9c41fa3/80361954367.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f1642c89-a912-415e-bc50-aa91c48a6ad5/pogimigugezokivunuj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/38828529-110f-4d0e-983c-cf84317bc36e/49037315257.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b559a6af-3c15-43d3-b4c6-e9b7e20ea0b0/synthesis_essay_example_ap_lang.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/34bf991c-2232-41ea-829a-d13c6d4e2ec5/joroboni.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_off00006fed.bin)

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