MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many of which point to a redirector service. The document body, though heavily obfuscated, contains a URL that appears to be part of a link farm designed to drive traffic to malicious sites. The ML classifier strongly indicates maliciousness, and the PDF_MALICIOUS_REDIRECTOR_LINK heuristic confirms the presence of links to known malicious infrastructure.
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.link/wix?keyword=summer+high+heights+episode+1
- https://static.usrfiles.com/ugd/b8c837_8afa378f9c414a4cad1c4fd2df8203d2.pdf
- https://static.usrfiles.com/ugd/90423f_f714cc27f5c74a508fef17c62fe3e6cf.pdf
- https://static.usrfiles.com/ugd/b8c837_1aa57594e02e441ea95b5da593fdcb4f.pdf
- https://static.usrfiles.com/ugd/b8c837_d0a240b999dd4962a9aaa97d70bbd310.pdf
- https://static.usrfiles.com/ugd/b8c837_b857d160b8a548139d7d13d2f8368409.pdf
- https://static.usrfiles.com/ugd/1e4819_e949e3e9e9ab4df8849205ded49cc384.pdf
- https://static.usrfiles.com/ugd/b8c837_eb337cc5f30340fc93be43de54c95934.pdf
- https://static.usrfiles.com/ugd/b8c837_56a55d44d62a4731ad5ed01b4f256b52.pdf
- https://static.usrfiles.com/ugd/b8c837_702f50131bac4d9f877ced03cde7340f.pdf
- https://static.usrfiles.com/ugd/b8c837_471ef8e33f964ebba8d3aa96f8b02e83.pdf
- https://static.usrfiles.com/ugd/097bd5_2b0b5c39ae82491495e461ab97409f59.pdf
- https://static.usrfiles.com/ugd/271e65_4fe3922c24b445f3b81b4c6feb9dcae9.pdf
- https://static.usrfiles.com/ugd/b50c55_181a6a83bd49458f8b775e54ddf79f56.pdf
- https://static.usrfiles.com/ugd/238140_b9648dbdf2e746a9b3b77b0a7570417c.pdf
- https://static.usrfiles.com/ugd/b8c837_f23478dd962a49229d888a6a32ad5557.pdf
- https://static.usrfiles.com/ugd/b8c837_16c9052c15134492a2dc290baec472fc.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_off0000d165.binf4863859a8d8b28756df951edf58fcf663e81ad79b298feb5dbb274772fb3110 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD165 | 5288 bytes |
font_01_sfnt_off0000e341.bin8fe1b6f6f89ef994c9cb8965f73641253ae81d6c65984ce9fd559e81b5f3b204 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE341 | 10272 bytes |
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