Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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://ggtraff.ru/wb?keyword=alaska%20pfd%20application%20pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369656/normal_5f93e88ee11cf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402520/normal_5f934436c04d2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393028/normal_5f8ed1e951169.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367286/normal_5f9117e34b885.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387408/normal_5f90e8ae308f8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379606/normal_5f8b2593bbdb4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370561/normal_5f8ba217bc360.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377371/normal_5f8bac21f0004.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387702/normal_5f912562045e5.pdfIn PDF document text
  • https://walinakonefal.weebly.com/uploads/1/3/4/3/134316097/26090c657ba8c1b.pdfIn PDF document text
  • https://xaranetudu.weebly.com/uploads/1/3/4/0/134016810/bajagiwimog-zizururu-dodelukilepuwo.pdfIn PDF document text
  • https://pezosoxebigaxox.weebly.com/uploads/1/3/4/3/134337327/54f02e7f3539.pdfIn PDF document text
  • https://wuzafonufiza.weebly.com/uploads/1/3/4/3/134341979/davonoxome-wimakava-dodagubu.pdfIn PDF document text
  • https://s3.amazonaws.com/vixuwogetiv/blown_to_bits.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/church_of_nigeria_anglican_communion_liturgy.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00009f6d.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00009f6d.bin)
  • https://uploads.strikinglycdn.com/files/ac89d2e8-cf66-4305-8782-b2a577db08f8/jonigisefoturunufekizisuz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dd2942ea-e5d1-4bb4-bcbd-407ac616f6d0/82050917854.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0b9d0f97-0c72-450c-8b80-f549d9db4aa2/practical_data_science_with_r_do.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/101f4c2b-99fc-4db2-a080-bc05435ae84f/mubenudiguso.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_off00009f6d.bin)

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