MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to a link farm hosted on static.usrfiles.com. One of the primary links, https://ttraff.club/wix?keyword=blur+background+hd+image+free, is flagged as a malicious redirector. The document body, though heavily obfuscated, contains references to the malicious URL and other PDF files, suggesting a social engineering lure to drive traffic to malicious infrastructure.
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=blur+background+hd+image+free
- https://static.usrfiles.com/ugd/b8c837_f45ee15d0da44aeeae51d85a94ec3e0b.pdf
- https://static.usrfiles.com/ugd/455f95_c0f39fb0b68a46a5b2362178c83cd3e9.pdf
- https://static.usrfiles.com/ugd/5bf82b_03c3123336664d44ba70c1b2ce60fcea.pdf
- https://static.usrfiles.com/ugd/0af078_35b428e9f8224b8fb6439f4121fdfe91.pdf
- https://static.usrfiles.com/ugd/6f53d7_1fbad18e148e4d139966cd73dbba6967.pdf
- https://static.usrfiles.com/ugd/8b9728_f1e107a50142448084bd3672ce2c83f8.pdf
- https://static.usrfiles.com/ugd/851c7c_b5bdc1ff06b341a49025c42efb0fccd9.pdf
- https://static.usrfiles.com/ugd/91e123_2f43b92e718742feb512859b5b0fda60.pdf
- https://static.usrfiles.com/ugd/834936_b40e197b8b59494b96beaf2e563b08f8.pdf
- https://static.usrfiles.com/ugd/469aea_ed7922f2ce4b45cc83474804f25fe904.pdf
- https://cdn.shopify.com/s/files/1/0433/6150/1334/files/xakexopuj.pdf
- https://cdn.shopify.com/s/files/1/0434/6799/7344/files/capital_letters_and_full_stops_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0430/9060/8285/files/macroeconomics_gordon_12th_edition.pdf
- https://cdn.shopify.com/s/files/1/0438/2723/2918/files/vinilaw.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wabodenerevugibew.pdf
- https://cdn.shopify.com/s/files/1/0434/0934/2614/files/87263232867.pdf
- https://cdn.shopify.com/s/files/1/0427/7692/0220/files/gafakukonutagawiminarud.pdf
- https://cdn.shopify.com/s/files/1/0437/3004/3041/files/live_answering_service_software.pdf
- https://cdn.shopify.com/s/files/1/0429/9869/4042/files/vimujikowexesul.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_off00006057.bin86efc19269e51118f60e5573fa7bbe1d028cd59e7caee6ab5fc91d6ed896cded |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6057 | 5508 bytes |
font_01_sfnt_off000072ec.bin2693e4689f364033f730418ac9fabd72e37565e967694d6ae8006f2c1e0d13b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72EC | 9672 bytes |
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