Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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/aws?keyword=tratamiento+de+la+neumonia+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4388608/normal_5f911a520f9a2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389830/normal_5f94d0703fbce.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376600/normal_5f89c8761af9d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367289/normal_5f8d1da5eddaf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365638/normal_5f8882c938a8e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369655/normal_5f8b23c35bfde.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373527/normal_5f8c21cac49fa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381529/normal_5f90c8ada2cb6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365620/normal_5f872e4751665.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369760/normal_5f8997827b193.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365576/normal_5f8b62cd83dd7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4412996/normal_5f94cdfc1b228.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365639/normal_5f8e3bb66ba79.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006f07.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006f07.bin)
  • https://s3.amazonaws.com/zetare/42525400969.pdfIn PDF document text
  • https://s3.amazonaws.com/fovezewi/2941642792.pdfIn PDF document text
  • https://s3.amazonaws.com/jumedemimo/cbse_sample_papers_for_class_10_2019_download_byju_s.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/common_prefixes_and_suffixes_worksheets.pdfIn PDF document text
  • https://s3.amazonaws.com/tesotiwapax/17540432869.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a3f685d1-7b41-49eb-9248-29a514426eb1/xeresowutora.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5509bc91-4dcb-4235-9bb5-cb73a000c265/86575637087.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/74afdcff-9b08-48a2-a7fd-1a21caeb362d/komorozexomupozedu.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
  • https://medlineplus.gov/spanish/pneumonia.htmlIn 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_off00006f07.bin)

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