MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm and a specific malicious redirector URL disguised as a genetics worksheet answer key. The ML classifier strongly indicated maliciousness. The primary malicious URL is https://ttraff.club/wix?keyword=worksheet+sex-linked+crosses+unit+3+genetics+answer+key, which is likely used to deliver a secondary payload. The document body, though heavily obfuscated, contains this URL and other PDF links.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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.club/wix?keyword=worksheet+sex-linked+crosses+unit+3+genetics+answer+key
- http://xawinude.portlibrary.org/uploads/1/3/1/1/131163695/7282548.pdf
- http://files.laredounited.org/uploads/1/3/0/8/130813859/fopisunulizo-kudosametusokog-tivepos-zasalerunotudix.pdf
- http://rajesik.dhammasukha-asia.org/uploads/1/3/0/7/130739476/pefuvugovugurifalab.pdf
- http://fiter.texasredbuddental.com/uploads/1/3/1/4/131453206/7791007.pdf
- http://files.buttfarm.co.uk/uploads/1/3/2/7/132741352/zimem.pdf
- http://sekol.josieshow.com/uploads/1/3/0/8/130814562/xexusoxeberuxu.pdf
- http://nuneripi.wripa.org/uploads/1/3/1/6/131607305/2837081.pdf
- http://files.loveadelyn.com/uploads/1/3/1/3/131384604/1988225.pdf
- http://files.tjcl.org/uploads/1/3/0/9/130969710/fuzujanovave.pdf
- http://files.graceub.com/uploads/1/3/2/6/132681404/6733747.pdf
- https://2eaa343f-d98e-49cc-8ac6-f99a803a355d.filesusr.com/ugd/158fb9_9ecb1edb9857479c9f468f8c81ec7f8e.pdf?index=true
- https://b24c79cc-f1f4-49bf-b4b0-eea3d19f514c.filesusr.com/ugd/46a5ae_7589115fd3364fb1ad232b8059bd2650.pdf?index=true
- https://3cea1a01-ab32-4d4d-a3c3-b6ec83edd9e3.filesusr.com/ugd/5c9621_c9a536be4af14a54ac309f4b4d8594e7.pdf?index=true
- https://64414e72-ed93-4cfd-94b2-1bd9274b0476.filesusr.com/ugd/c75f60_1d6899c4371343d9b77122bb7fc1c678.pdf?index=true
- https://34d4d14f-3788-4844-9eba-725fdf67caa6.filesusr.com/ugd/8e6e76_bc1f09c5999a4454b6952c40fd71d9c3.pdf?index=true
- https://7c5abfd3-750e-40e3-947e-82b7d1e5be6f.filesusr.com/ugd/9c66ff_5f4a66e7a51f41b58e6c1d080cb4fa02.pdf?index=true
- https://e9c76b2e-ec26-4a60-94b2-0277e4741e69.filesusr.com/ugd/badafb_e6618edfadd04dbcb76f87de2f5c4e9b.pdf?index=true
- https://468f16d3-3fe8-440e-86fc-76260f149bf3.filesusr.com/ugd/934fc3_c55deb9ae6814c4a8b7e809a947e6d24.pdf?index=true
- 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_off00006044.bin86085b56ed70457d886acdb36ef6e0c5701551d7f452e74b20364bd4c3121afe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6044 | 5736 bytes |
font_01_sfnt_off000073e8.bin566ddb094edc7e08bbb18c7e06f5b89ffc4f21310fb1125a4f0ed163b7cd6309 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73E8 | 10308 bytes |
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