MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a redirector service. The primary malicious URL identified is https://ttraff.cc/wix?keyword=callister+and+rethwisch%2527s+fundamenta. This suggests a link farm attack designed to direct users to malicious content. No scripts were extracted, and the document body was heavily obfuscated.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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.cc/wix?keyword=callister+and+rethwisch%2527s+fundamenta
- https://static.usrfiles.com/ugd/74a852_8fa44eda4fe447309562f1643885de1e.pdf
- https://static.usrfiles.com/ugd/72b0e7_49507536e1fb43c8bc8729a9530e53ab.pdf
- https://static.usrfiles.com/ugd/cec570_babaa4eea7474e84999c21d488ecfaf9.pdf
- https://static.usrfiles.com/ugd/374ce0_b86cffc9b6984577a5c986399214af59.pdf
- https://cdn.shopify.com/s/files/1/0431/9277/8912/files/49982453371.pdf
- https://cdn.shopify.com/s/files/1/0431/3445/1874/files/55949183591.pdf
- https://cdn.shopify.com/s/files/1/0431/8714/2818/files/90833208896.pdf
- https://static.usrfiles.com/ugd/856cea_ef22452a1da648618f7ee8d25ec8b160.pdf
- https://static.usrfiles.com/ugd/df4650_da7bae4f1fe54d24ba473cf0a666c18e.pdf
- https://static.usrfiles.com/ugd/b8c837_991e4aabd90e40d9a871c1730d796e90.pdf
- https://static.usrfiles.com/ugd/7f16bd_85564a2a4a574bdb8f58c1029497c4c1.pdf
- https://static.usrfiles.com/ugd/b8c837_84a0b93aa568496e8e1fa3454ffecf22.pdf
- https://static.usrfiles.com/ugd/2e79a6_f132371ffeb24e74bae931922f90e90d.pdf
- https://static.usrfiles.com/ugd/8d57bd_f7fa4390e5084391a27ccc08220ef406.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000511d.bin0a93241245d9ba9698937caf4d89412e4db9f675eb1df76776ba0b42b4c2e1f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x511D | 5292 bytes |
font_01_sfnt_off00006303.bin03ee034863ca2a647092422155a2b55954f9f6370eb30ada91fbe44ac9d7a5a1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6303 | 10012 bytes |
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