MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. The ML classifier strongly flagged this PDF as malicious. The document appears to be a link farm, with numerous embedded URLs, likely intended to direct users to malicious content or phishing sites. The primary malicious URL identified is https://ttraff.link/wix?keyword=r+bubble+letter.
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=r+bubble+letter
- https://555365c8-a532-4518-9a48-948f6f88130e.filesusr.com/ugd/dcfb95_3ebc2959141c4490a3ad85b5af55d6d2.pdf?index=true
- https://b64ffaf7-ac15-4b34-a657-551d1c7d8f96.filesusr.com/ugd/e80f4c_e000b49c18144c5396809c38d7d2e84c.pdf?index=true
- https://5d150950-3182-4b4d-9e3f-80c807f557ec.filesusr.com/ugd/b48b60_75631f31298847139cefd8808b99e01e.pdf?index=true
- https://c72d8fdf-8001-4c66-b01c-9a56c02a1dc2.filesusr.com/ugd/a0905b_140d3903fe4c42aca417b2aef2d1f00d.pdf?index=true
- https://faacb3f2-ddcf-464d-b93d-7c4a3f11579f.filesusr.com/ugd/7d21c0_22c8d29e80904f178954b6e2483397c2.pdf?index=true
- https://cdn.shopify.com/s/files/1/0434/4463/3756/files/43677327252.pdf
- https://cdn.shopify.com/s/files/1/0440/3258/9989/files/talikuxemoxiwegeginikis.pdf
- https://cdn.shopify.com/s/files/1/0430/6819/4978/files/zozagovubakik.pdf
- https://cdn.shopify.com/s/files/1/0438/4836/8288/files/6152756235.pdf
- https://cdn.shopify.com/s/files/1/0438/8998/3640/files/tasimel.pdf
- https://cdn.shopify.com/s/files/1/0429/2476/9436/files/wugusezuwus.pdf
- https://cdn.shopify.com/s/files/1/0447/6272/6551/files/definition_of_human_migration.pdf
- https://cdn.shopify.com/s/files/1/0440/7522/1142/files/zefogilemuduzimirugakoga.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_off0000448a.bin17d8020724e9059bef9d9ac0c496de04b905cf0fb37b61c37a5b33ea3535273e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x448A | 4436 bytes |
font_01_sfnt_off000053b1.binfe8ae3f7b35de65e83ee8d751bae16b501b4bca9e5cebf49fbcd6ee1628b2863 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x53B1 | 9256 bytes |
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