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/123?keyword=wolf+spirit+guide+quotes In PDF document text

  • https://cdn-cms.f-static.net/uploads/4368759/normal_5f8aed24e0635.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383689/normal_5f949601c7f04.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365586/normal_5f88d2185038d.pdfIn PDF document text
  • https://nipufijupetobug.weebly.com/uploads/1/3/1/4/131482996/terover_zorama_xenabukopono_rovemifuk.pdfIn PDF document text
  • https://kasukironumasex.weebly.com/uploads/1/3/1/4/131454791/25fe51e737a.pdfIn PDF document text
  • https://lorovojiwu.weebly.com/uploads/1/3/4/3/134318747/3610a.pdfIn PDF document text
  • https://tipefejiri.weebly.com/uploads/1/3/0/9/130969755/65100f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369783/normal_5f8d51ae0a951.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372983/normal_5f9547e4d26ac.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372399/normal_5f90dbbeac8f6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409113/normal_5f9523def3c47.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403820/normal_5f957d0e60feb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374177/normal_5f8a8b5a290bb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374951/normal_5f89334325f0c.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007e25.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007e25.bin)
  • https://uploads.strikinglycdn.com/files/7c1ae060-31c4-44f7-8e19-d5ce13f5a131/36484875058.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/91e653c4-97e1-4db4-a9d5-e7333efe7410/kekumivovefifafen.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/80df2bb6-5ac0-4c27-8ad5-2da51df8ddec/read_nancy_drew_books_online_free_pd.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/1632/0688/files/tavoj.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0465/0126/5566/files/promethean_the_created.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0463/0636/1504/files/education_system_in_china.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_off00007e25.bin)

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