MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded URLs, many of which point to a link farm designed to host other PDFs. One of these URLs, https://ttraff.com/wix?keyword=edexcel+a+level+music+technology+revision+guide, is flagged as a malicious redirector. The document body, though heavily obfuscated, contains references to educational materials, suggesting a lure to disguise the malicious intent. The ML classifier strongly indicates maliciousness.
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.com/wix?keyword=edexcel+a+level+music+technology+revision+guide
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/07ef24_b547fe328bf54d2196486eb73c508c31.pdf
- https://static.usrfiles.com/ugd/b8c837_d349c48c4b87436dbe84a3b9d143293c.pdf
- https://static.usrfiles.com/ugd/89363e_12083138550c452b90d46c9b77fdbe33.pdf
- https://static.usrfiles.com/ugd/2f3ac6_04f8804766764f7dae790d5b8bd4ab2e.pdf
- https://static.usrfiles.com/ugd/c618e9_78be48f5c56b4713a4c6f442ba296c1a.pdf
- https://cdn.shopify.com/s/files/1/0435/3739/9960/files/beginning_algebra_12th_edition.pdf
- https://cdn.shopify.com/s/files/1/0433/8260/3934/files/63886198401.pdf
- https://cdn.shopify.com/s/files/1/0437/2486/5685/files/xureguziva.pdf
- https://cdn.shopify.com/s/files/1/0427/4677/3660/files/remowatinuvakewup.pdf
- https://static.usrfiles.com/ugd/97493d_b5c98ed3e205404ebd87b7505387546f.pdf
- https://static.usrfiles.com/ugd/b8c837_fa0309fac60d46d7bf4e023b674c999e.pdf
- https://static.usrfiles.com/ugd/097bd5_2aa0ee14c39642ad8a3da097f32fd034.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000041a0.bina1f5413bc5eec6e5c3ab3a6787b26574c971fbdbf364c24d6cd6d9a3ed64762a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x41A0 | 5540 bytes |
font_01_sfnt_off00005460.binad8b6196e88229a6b23d8d8e4f080337dbabba0a50d3b227e733d652cecbf015 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5460 | 9564 bytes |
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