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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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.com/wix?keyword=engraved+swiss+army+knife+canada In PDF document text

  • http://files.ps111adolphsochs.org/uploads/1/3/1/0/131070993/212ff17a2e67bcd.pdfIn PDF document text
  • http://lopojit.badassoffitness.com/uploads/1/3/2/6/132682787/2370598.pdfIn PDF document text
  • http://files.dedelomenick.com/uploads/1/3/2/6/132695546/5312996.pdfIn PDF document text
  • http://jemakozes.talae.org/uploads/1/3/1/4/131482993/dunikeg.pdfIn PDF document text
  • http://files.lasalette-church.org/uploads/1/3/0/8/130813887/zevoxep.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006bc2.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006bc2.bin)
  • https://6d36bd65-e2a0-4753-ab35-5260af711913.filesusr.com/ugd/ab922d_ed1cd6c09d874bb6afae666bd20ef1f8.pdf?index=trueIn PDF document text
  • https://93d4ef13-a5ea-4176-a8e3-297156907215.filesusr.com/ugd/69695d_8e76db1ead564cf283125ba0fd8efc33.pdf?index=trueIn PDF document text
  • https://38db4bdb-ca2a-4e54-a4ce-d296f969da7d.filesusr.com/ugd/7f614e_3c9a6f0272154f4cae56e0f1213f3e24.pdf?index=trueIn PDF document text
  • https://c4b547a5-8459-4262-8d55-a3f50dd5e8b4.filesusr.com/ugd/3be48b_71bb50348b7b4c64a0251894bc3cac4b.pdf?index=trueIn PDF document text
  • https://11baff4e-9b89-481a-80c3-58fc7d2fab6a.filesusr.com/ugd/65b209_3fdf19f87b164075909c116761add47a.pdf?index=trueIn PDF document text
  • https://1e20613e-b4fd-486e-aea2-5c8d840a24db.filesusr.com/ugd/696117_bcc0926bf7db48468c5e329df03becff.pdf?index=trueIn PDF document text
  • https://2aa0281e-6f77-4f2a-9a89-59f775a397cb.filesusr.com/ugd/f2ef67_cbd0c19fadad49ccb1be6a3466a0b016.pdf?index=trueIn PDF document text
  • https://442caf38-c1d7-4ca2-bd7b-8b8b8e110fed.filesusr.com/ugd/314c35_89262b0649f84710bc51de1f862b6fad.pdf?index=trueIn 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_off00006bc2.bin)

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