MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document contains a link to a known malicious redirector, ttraff.club, disguised with a plausible keyword. It also features a large number of embedded links, many pointing to benign-looking files on filesusr.com, but also includes numerous other links to unknown domains, suggesting a link farm or redirection strategy. The ML classifier strongly indicated maliciousness, and the PDF structure itself contains multiple embedded URLs.
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=varsity+results+2020
- http://gonapinu.leadingedgeequine.com/uploads/1/3/2/6/132680835/9241252.pdf
- http://kunupunus.rescuedfirewood.com/uploads/1/3/1/3/131383541/3829052.pdf
- http://files.skylercoleallen.com/uploads/1/3/0/7/130740256/wawirupa-wugolibiwulagu-takur.pdf
- http://lutibeba.309punkmuseum.org/uploads/1/3/2/7/132712207/8244574.pdf
- http://files.hattology.com/uploads/1/3/1/8/131856290/2bb06.pdf
- http://kixajowob.jonespaytonswimming.com/uploads/1/3/1/1/131164250/2562522.pdf
- http://gupekew.billingsranchhoa.com/uploads/1/3/2/8/132814170/4c34e1814.pdf
- http://ziwelu.kgibbonscreativeaid.com/uploads/1/3/1/3/131383791/tirowipav-kurolux-gifawutume.pdf
- https://f32f1de8-35cc-40f1-b61a-cb433e41b19e.filesusr.com/ugd/003b86_7a1fc05a893f45338fb4708546905e01.pdf?index=true
- https://4bf097d6-ab3a-4787-aade-22a5d3a86074.filesusr.com/ugd/9cfd0a_0369a44b17c247caaab1c2152c107667.pdf?index=true
- https://9ebab339-2392-4077-b07e-69a3bf731ad5.filesusr.com/ugd/04c368_1be019154dff402fb9c85ca8f35597a0.pdf?index=true
- https://e2b3388b-4bd3-4c3e-85d6-d20e1013c50b.filesusr.com/ugd/32777b_0fd7cfb67e12423fb28432fe0ab394d0.pdf?index=true
- https://7d9f8dd9-2b28-4dfd-85f9-aebbab06bce4.filesusr.com/ugd/3bf302_90af182ec237433a9bedb2230d22e836.pdf?index=true
- https://58d370f9-caa1-47b9-97fa-c2b7991c2393.filesusr.com/ugd/ee9d3f_42e378182ff248579f055b35d6b7c988.pdf?index=true
- https://4cccbcd4-7898-40dd-9f78-b938b551be42.filesusr.com/ugd/b5472a_b869e4978a6c4995b906b56082e24949.pdf?index=true
- https://4901c93f-23f1-4476-98d9-d30c37803bb8.filesusr.com/ugd/a58b01_9ad74b87014d4e038e851641ff28d777.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/
- https://4901c93f-23f1-4476-98d9-d30c37803bb8.filesusr.com/ugd/a58b01_9ad74b87014d4e03
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000062e4.bin3ab93e8ae58b65cdb00557e081ef9faa4cc43f5c58e92adce1921ffc5ce76704 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62E4 | 5020 bytes |
font_01_sfnt_off00007408.bine90bc3c815dbaf1b2c83576e5876be4acb02911cb5e7269c52be4ac43d6a00b0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7408 | 15388 bytes |
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