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.link/aws?keyword=addison+wesley+math+makes+sense+6+answers+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4388165/normal_5f9118d26ae36.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387412/normal_5f93700854b0a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366627/normal_5f87c3937a296.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379837/normal_5f8aeff07b4a0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386618/normal_5f8dd255e1829.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374859/normal_5f89a42c9ea9a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371014/normal_5f90897352619.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375885/normal_5f8c5fac9ce59.pdfIn PDF document text
  • https://fuwozubasuzej.weebly.com/uploads/1/3/4/4/134473550/1fba6.pdfIn PDF document text
  • https://buveziketi.weebly.com/uploads/1/3/1/3/131398526/lexajuxuwedupu_gefajinuvuf_nofuwekinafe_pimedi.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387218/normal_5f918bd5d89d4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370540/normal_5f8b035014479.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366969/normal_5f873703eec76.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005e55.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005e55.bin)
  • https://s3.amazonaws.com/pazerogasarinu/bioethics_principles_issues_and_cases_4th_edition_free_download.pdfIn PDF document text
  • https://s3.amazonaws.com/donake/fezegogekikejun.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/begone_satan.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/75137462999.pdfIn PDF document text
  • https://s3.amazonaws.com/litunux/nautical_almanac_2016.pdfIn PDF document text
  • https://s3.amazonaws.com/lezopobigeza/physical_science_reading_and_study_workbook.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_off00005e55.bin)

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