MALICIOUS
160
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 Command and Scripting Interpreter: PowerShell
The PDF file contains a mass external link farm, with many links pointing to static.usrfiles.com, and one critical link to a redirector. The document body text, though heavily obfuscated, contains the URL 'https://ttraff.link/wix?keyword=facebook+video+chrome+plugin', which is a social engineering lure to trick users into installing a browser extension or plugin. This redirector likely leads to a malicious payload or phishing page.
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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=facebook+video+chrome+plugin
- https://static.usrfiles.com/ugd/8ba634_d157195a6ace4ac598d5159b407ef360.pdf
- https://static.usrfiles.com/ugd/b8c837_3c18c599f1804bd293cf5e7b71338cb3.pdf
- https://static.usrfiles.com/ugd/2b25b5_0cd4f6a5029342a9b14471646153ff65.pdf
- https://static.usrfiles.com/ugd/4725f1_f9bcea6deb3843859cd2b8e5d143acf0.pdf
- https://static.usrfiles.com/ugd/98e298_b77dc851f4af4dadbcdb118f4f6395b9.pdf
- https://static.usrfiles.com/ugd/3aca14_10f55ff583674d68b83a0d442b90f52d.pdf
- https://static.usrfiles.com/ugd/b16523_134bbd6ba0a14eca9f4c58121ef8dd99.pdf
- https://static.usrfiles.com/ugd/46429b_31f03a39d9c14ed9a84cc65161e32d96.pdf
- https://static.usrfiles.com/ugd/77941b_d60723ebeb6541b6bbe3c25d1d0b0735.pdf
- https://static.usrfiles.com/ugd/3f8d85_925161794267436aaf1623fc159f80a3.pdf
- https://static.usrfiles.com/ugd/39cb9d_964c9816e2834addbd1f197de7a24cd1.pdf
- https://static.usrfiles.com/ugd/3615fb_cc0859affda443e793ef416bfc884a7b.pdf
- https://static.usrfiles.com/ugd/9c0842_3ef4ab9ac44441f2a32d3da5a4d3853e.pdf
- https://static.usrfiles.com/ugd/bd5c68_a985d47c3d3348148dceca0e7c77e5da.pdf
- https://static.usrfiles.com/ugd/3e5d97_1934c9870961460bb14e281f7798fe68.pdf
- https://static.usrfiles.com/ugd/a2ebd8_bb15b9de07a44b0c993f9a0f5afee0d1.pdf
- https://static.usrfiles.com/ugd/8b2c09_9435348bd6c34b318f6427a748849150.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_off00006ae2.binca6f1316e87f2c1ba2ae94c5b766e4844b578535e6a7dbb4601946dfa2849c26 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AE2 | 5528 bytes |
font_01_sfnt_off00007d87.bin846cd1cea63453fff84f075fef4daeb19cacb096236f8022ab28c3227707bff6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D87 | 9736 bytes |
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