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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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/123?keyword=pre+op+note+template In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366668/normal_5f872e7b21dec.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4411501/normal_5f9643fdbba1c.pdfIn PDF document text
  • https://relulime.weebly.com/uploads/1/3/4/3/134384492/3824620.pdfIn PDF document text
  • https://turomanusogagi.weebly.com/uploads/1/3/1/4/131453559/f7f8a4efa8c06.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385635/normal_5f8ca0f2776ea.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4414494/normal_5f989f208ee0c.pdfIn PDF document text
  • https://nijubalalo.weebly.com/uploads/1/3/1/4/131453980/xadipixotetexuta.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374696/normal_5f8b1f89c00bb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374983/normal_5f8f33fade4ee.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374379/normal_5f8ce766247bb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376874/normal_5f8a95646c4ae.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006f0c.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006f0c.bin)
  • https://uploads.strikinglycdn.com/files/637bf601-f11d-4bde-9f18-55baa228a19e/.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/df665d1f-a6e2-4354-b00d-af8769fa17d4/tozulagobowan.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0c82f054-b70d-446b-8499-13d78ff3addb/eagles_in_colorado_springs.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/957cf516-915b-47fd-9b69-9a36674e33be/siwebajaxemijuse.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c714545b-5f28-47fd-9149-c370bf628d14/21975350882.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b860f437-d772-4647-a7a8-409c8a215b3f/72624454937.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/31589237-02dc-4dc9-a5eb-c3a534e85c2d/on_baking_3rd_edition_free.pdfIn PDF document text
  • https://s3.amazonaws.com/vuliwisuwig/adjustment_letter_format.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/astor_piazzolla_libertango_sheet_music.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_off00006f0c.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off0000a668.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off0000a668.bin)

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