MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged by multiple critical heuristics for linking to malicious redirector infrastructure and for being part of a link farm. The ML classifier also strongly indicated maliciousness. The document body contains a URL that points to a known malicious redirector, suggesting a phishing or malware delivery attempt. No scripts were extracted from this sample.
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.com/wix?keyword=o-level+physics+challenging+drill+qu
- https://static.usrfiles.com/ugd/38bf1f_503d34529abc456397637f140ac1a9a6.pdf
- https://static.usrfiles.com/ugd/b8c837_bc15fbd2af7f40538e429bed6b43baaa.pdf
- https://static.usrfiles.com/ugd/74a852_f0c3057eb1064b73a005b879f5361838.pdf
- https://static.usrfiles.com/ugd/b8c837_382e334395aa4a4f8bcb044adaced5c0.pdf
- https://static.usrfiles.com/ugd/b8c837_9ff3a7138cc3429ea17e92826c9049c5.pdf
- https://cdn.shopify.com/s/files/1/0433/3040/4502/files/apostrophe_worksheets_with_answer_key.pdf
- https://cdn.shopify.com/s/files/1/0440/6686/5302/files/wigisexud.pdf
- https://cdn.shopify.com/s/files/1/0429/2860/3295/files/81655924299.pdf
- https://cdn.shopify.com/s/files/1/0430/5934/7618/files/75308227189.pdf
- https://cdn.shopify.com/s/files/1/0431/1734/6976/files/72034499548.pdf
- https://static.usrfiles.com/ugd/ca32a8_0fc726e549c848ec829ce8f21a0ad726.pdf
- https://static.usrfiles.com/ugd/2ca09c_0927a207b55741399b1cc30c70d19e72.pdf
- https://static.usrfiles.com/ugd/432b07_6d960cfb1d2149a3b50f64f4b7faaa39.pdf
- https://static.usrfiles.com/ugd/b8c837_7c5a5f1c004b43e59988ca5e22f8c7ce.pdf
- https://static.usrfiles.com/ugd/1f2646_7359e4e1ec084678bc5b897c926eb7b4.pdf
- https://static.usrfiles.com/ugd/f46427_1240da935708469db0eafe51af98b235.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_off00007894.bin90fa52d4494dc7521720f74e9ef6264ea4e0d7f74c7b183a12c29fea5e29fa2a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7894 | 5680 bytes |
font_01_sfnt_off00008bde.bin6e47a0cf9119e7332103c7350e2f09204470b1a110824e962f754eed732051f0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8BDE | 10356 bytes |
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