MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. One prominent link, https://ttraff.link/wix?keyword=triangle+missing+angle+algebra+worksheet, is flagged as a malicious redirector. The ML_NYX_PDF_MALICIOUS classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains text suggesting it is an 'algebra worksheet', which is likely a lure to encourage clicks on the malicious 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.link/wix?keyword=triangle+missing+angle+algebra+worksheet
- http://renodip.chicagolandboxers.com/uploads/1/3/0/9/130969060/c705bcb4c7ef83.pdf
- http://bewada.vhw4ulaughmore.com/uploads/1/3/1/3/131384013/462e5.pdf
- http://files.leathercreationsbyrenee.com/uploads/1/3/2/7/132741225/sirexorifokib.pdf
- http://gutap.sagegraphicdesign.com/uploads/1/3/2/7/132740482/lojego.pdf
- http://files.ashwoodcarpentryjoinery.co.uk/uploads/1/3/1/4/131437655/8933787.pdf
- http://files.elginartsassociation.com/uploads/1/3/1/3/131384070/9bd86dfbd406.pdf
- http://files.brandonmoorecomposition.com/uploads/1/3/1/4/131438766/muxigem.pdf
- https://df657cbd-befa-46d6-8bd5-dbc9681a2f82.filesusr.com/ugd/61b8bf_09704a7ae72c4989b7024b15e51fd0e6.pdf?index=true
- https://e13cfed0-ccdd-4810-a1b2-4ec08a8e0ee5.filesusr.com/ugd/1c8c1e_008b3917c0e14beeaf7e64048a978023.pdf?index=true
- https://6e5e5c27-170d-46d9-b2bf-19d14dc436e0.filesusr.com/ugd/3d0627_05acd3d37ab14c1cb52bf9449a296545.pdf?index=true
- https://649d0d25-67b1-47a6-98fc-91eb52c72ddf.filesusr.com/ugd/0511f5_6ea4ebda11094f1a89d3525371dacee4.pdf?index=true
- https://5fd2f68f-953e-4b49-9f5c-1ba2bf29e37e.filesusr.com/ugd/008e52_b2eefab22803460089be4667f936ffb7.pdf?index=true
- https://cdn.shopify.com/s/files/1/0436/5362/8062/files/xubasolukag.pdf
- https://cdn.shopify.com/s/files/1/0460/0142/2497/files/the_little_seagull_handbook_with_exe.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_off00005ceb.bind9bb8f5008b28ccebe341176b84f2f8f478d34d5cc34e694c689a3866f0ca11e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CEB | 5344 bytes |
font_01_sfnt_off00006efe.bin365993b43db562cc93e3c933106024d24d651452c31d071287cba9c72ad9d332 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EFE | 10072 bytes |
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