MALICIOUS
158
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded JavaScript and numerous links, with a critical heuristic identifying a link to known malicious redirector infrastructure. The document body appears to be obfuscated or corrupted, but the presence of a link farm and the ML classifier output strongly suggest a malicious intent to redirect users. The primary malicious IOC is the redirector URL.
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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.cc/pify?keyword=amazing+grace+a+cappella+pdf
- http://files.carrollswenson-roberts.com/uploads/1/3/0/7/130740249/jivobufem_lowujera_musom_zuwobikimofanag.pdf
- http://files.braverthanthewaves.com/uploads/1/3/1/4/131453807/5359755.pdf
- http://files.storygal.com/uploads/1/3/0/8/130814680/fekawopepafudaj-jefixakob-gezedajujopo.pdf
- http://files.storygal.com/uploads/1/3/0/8/130814680
- https://cdn.shopify.com/s/files/1/0434/5528/3350/files/lizufuriboguredokuw.pdf
- https://cdn.shopify.com/s/files/1/0428/5893/8531/files/82399117624.pdf
- https://cdn.shopify.com/s/files/1/0431/6656/4507/files/jexibugovofu.pdf
- https://cdn.shopify.com/s/files/1/0436/8993/5003/files/87343353573.pdf
- https://cdn.shopify.com/s/files/1/0428/9763/7535/files/4428550143.pdf
- https://cdn.shopify.com/s/files/1/0431/1570/8580/files/39361292037.pdf
- https://cdn.shopify.com/s/files/1/0432/5641/4363/files/pitapenabapilur.pdf
- https://cdn.shopify.com/s/files/1/0433/5920/7582/files/92957562636.pdf
- https://cdn.shopify.com/s/files/1/0434/8638/0189/files/21208713571.pdf
- https://cdn.shopify.com/s/files/1/0431/9140/2660/files/42727046160.pdf
- https://cdn.shopify.com/s/files/1/0428/5464/5916/files/bavurujodojepatarubur.pdf
- https://cdn.shopify.com/s/files/1/0429/8250/6647/files/81194745586.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006f08.bin62a18cbbc8dc0c1b4a20d755559bb34ec724b44bc122cfab7b9a71f396e7b636 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F08 | 3292 bytes |
font_01_sfnt_off00007ad8.bin2c2562bdc33930255180c877d549bc72a55df5abe5883d3c1c599eaa66226d51 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AD8 | 4936 bytes |
font_02_sfnt_off00008b71.bind7f084bb0f7e08a5658093851dcfb5b2f0961ec5ffeb827317dd6ec1cbe0ced2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B71 | 13916 bytes |
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