MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to external resources, masquerading as study materials. One of the primary links, https://ttraff.ru/wix?keyword=basic+accounting+test+questions+answers, is identified as a malicious redirector. The document's structure and the presence of a large number of outbound links suggest a link farm or redirection scheme designed to lead users to malicious content. No scripts were extracted from this sample.
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.ru/wix?keyword=basic+accounting+test+questions+answers
- https://static.usrfiles.com/ugd/7f46b5_a60b4609b276407ea889e4ef146497fe.pdf
- https://static.usrfiles.com/ugd/143c98_b9038a88ba1d43c6918770a0e744df06.pdf
- https://static.usrfiles.com/ugd/362633_0881520de8cc428b989e9c0dbd8faf2b.pdf
- https://static.usrfiles.com/ugd/cafc24_6957f391ba0c46f8a69da4911966a595.pdf
- https://static.usrfiles.com/ugd/89064d_638a58b318d2433b80b90ce34f5a5182.pdf
- https://static.usrfiles.com/ugd/b8c837_7cda6eb667ad437ca740bd61b864e9b8.pdf
- https://static.usrfiles.com/ugd/b16523_1723be1f73a5443d8f8ee2a193cf52db.pdf
- https://static.usrfiles.com/ugd/2f7815_c9bb77e34a76497b875a7e9b2c5a6ae4.pdf
- https://static.usrfiles.com/ugd/824332_7c551bb6ca9a4db58b27e26886a2c4b7.pdf
- https://static.usrfiles.com/ugd/de60da_e88d5b94bed6432a988e123cff2494dd.pdf
- https://static.usrfiles.com/ugd/b8c837_9cfa656bb47247d894b66cbc9449a514.pdf
- https://static.usrfiles.com/ugd/1e4819_34b29e52479e492b852dde9d8e455e63.pdf
- https://static.usrfiles.com/ugd/1df9ea_463bdf82bef04b6d9c2916f14bcf2b39.pdf
- https://static.usrfiles.com/ugd/eb4c03_16882a23259e45638e4420ecbb1d5e66.pdf
- https://static.usrfiles.com/ugd/aff7ca_ae0b2d9ab43740dc8ef34968d368b33f.pdf
- https://static.usrfiles.com/ugd/40336e_8214b3c9599b4351acb4f10c1398e5c8.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_off00005e9a.bin48c48b1a910eabafb6d2e81c4876315300f7558ffef4dc32ab305ad415e7cd89 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E9A | 5200 bytes |
font_01_sfnt_off0000706e.bin8263fe8e3dda02a831edf82282aa1f21492b61b819b8bb9901fea8bf31572c5e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x706E | 10836 bytes |
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