MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged by a critical heuristic for linking to known malicious redirector infrastructure. Additionally, another critical heuristic identified it as a PDF link farm, containing numerous external links. The ML classifier also strongly indicated maliciousness. The embedded URL 'https://ttraff.ru/wix?keyword=basic+tactics+for+listening+script+pdf' is the primary indicator of this malicious redirection.
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+tactics+for+listening+script+pdf
- https://static.usrfiles.com/ugd/9b33c5_69504262f1734d8cb0542893830c63bc.pdf
- https://static.usrfiles.com/ugd/625844_44d76a00af8e4913a37d607628cb192f.pdf
- https://static.usrfiles.com/ugd/b8c837_b4540e9d01474d0a9ed0c7c8b74ffe48.pdf
- https://static.usrfiles.com/ugd/74e905_89b8c5e21cc442719bf498f9e74f2794.pdf
- https://static.usrfiles.com/ugd/469aea_35a682ec22ad45ff83cf8f006fdba5fd.pdf
- https://static.usrfiles.com/ugd/544c7e_0ffef99d62ac462d9f1a5968bc823a9a.pdf
- https://static.usrfiles.com/ugd/b8c837_8986a352d3e34bfaa42be1ba92de6605.pdf
- https://static.usrfiles.com/ugd/7e0eb0_a04c6cf43a0c44d498e058232cf1a3c8.pdf
- https://static.usrfiles.com/ugd/b91566_2a83f9201c854471840bd0653d540e2f.pdf
- https://cdn.shopify.com/s/files/1/0448/4435/1649/files/group_b_strep_cdc_guidelines.pdf
- https://cdn.shopify.com/s/files/1/0435/9408/8616/files/widedenixijolugafixo.pdf
- https://static.usrfiles.com/ugd/9c43ec_14314ec02fb145e1979edd68ba21554f.pdf
- https://static.usrfiles.com/ugd/b8c837_b4e0da035d4f48fab93217cb11bd96d3.pdf
- https://static.usrfiles.com/ugd/a640e9_7256b33db09548d99d70c08bd252a7bd.pdf
- https://static.usrfiles.com/ugd/516574_98416aae455745ca8d94340afdd14f70.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_off000065a5.bin2b95001fcbc921bf28afbdc4950312947c873f374b91818181bbb2c111d3b7b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65A5 | 5372 bytes |
font_01_sfnt_off000077fc.bin23f43384b367757172b585f6aeb6aa5a71942d931b74ea9ba31ba055f7a09a2f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77FC | 10088 bytes |
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