MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, with a critical heuristic firing indicating it's a malicious redirector. One of the primary URLs, 'https://ttraff.me/pify?keyword=nexa+rust+script+bold+font+free', is directly associated with this redirector. The document body, though heavily obfuscated, also contains this URL, suggesting it's a core part of the lure. The presence of numerous links to 'static.usrfiles.com' further supports the link farm heuristic.
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.me/pify?keyword=nexa+rust+script+bold+font+free
- https://static.usrfiles.com/ugd/accd1f_b7861992b6b54bd689dd9ddccfe8a717.pdf
- https://static.usrfiles.com/ugd/28b3f7_0c197f432dbb48f58a91af0c888fe50e.pdf
- https://static.usrfiles.com/ugd/98857b_910948bd25324393a357bb8b368f7da3.pdf
- https://static.usrfiles.com/ugd/314c35_4419297056fa4701875f171e8b5e58cc.pdf
- https://static.usrfiles.com/ugd/12dc78_2b6b885988ef4a52a8507ecae6910bc7.pdf
- https://static.usrfiles.com/ugd/857e61_4eb2a71f1d764eaaa211e219c111a66b.pdf
- https://static.usrfiles.com/ugd/7041e4_e211f80536544e16aeefb678be05555d.pdf
- https://static.usrfiles.com/ugd/bcfc12_b9d20d2aab3e42f586332bf3fa146984.pdf
- https://static.usrfiles.com/ugd/3e87bf_ba995aa7570d4387b5a49019a0c4c928.pdf
- https://static.usrfiles.com/ugd/0a593f_be9261ec36194293b3d4e4685d01b959.pdf
- https://static.usrfiles.com/ugd/b8c837_40c5fd9c944a481ea9dd43ed29ba0cb3.pdf
- https://static.usrfiles.com/ugd/07ef24_124428a810904cfb88a112489becff17.pdf
- https://static.usrfiles.com/ugd/10cedf_ceed2e9bd6274317a096abed8ca44fb5.pdf
- https://static.usrfiles.com/ugd/ad2ade_a9607216ab8649ed9d3e989198c3bff8.pdf
- https://static.usrfiles.com/ugd/ace02d_5274494455e140b6a7bd0bde5ca35f64.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_off00005aef.bind0714a4cc1a213e718f4cd7cd7c36f7873afe27189b126ad1f8608cb14f152c3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AEF | 5328 bytes |
font_01_sfnt_off00006d1e.bin1305422571eda543a4feba8373de8fdc49012dccb3b4ca9732bc160b6866828b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D1E | 19532 bytes |
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