MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1200 Hardware Add-in Systems
The PDF file was identified as malicious by an ML classifier and contains a large number of embedded external links, characteristic of a link farm. One of these links, https://ttraff.cc/wix?keyword=sicario+script+pdf, is known to point to malicious redirector infrastructure. The document body appears to be corrupted or heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure suggests an attempt to redirect the user to malicious content.
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.cc/wix?keyword=sicario+script+pdf
- https://static.usrfiles.com/ugd/83e24f_d6d817ad6a364d4d9e96d5f4b5960559.pdf
- https://static.usrfiles.com/ugd/b8c837_e07d4dac6c58470da4d7a93ed202c461.pdf
- https://static.usrfiles.com/ugd/b8c837_4a52eb78221f4fe49f00f493dab48e00.pdf
- https://static.usrfiles.com/ugd/b8c837_30b71bfa4478426f97c1c0f33ffa93be.pdf
- https://static.usrfiles.com/ugd/b8c837_6bec7bd20ef2441ba72da88219e6da27.pdf
- https://cdn.shopify.com/s/files/1/0433/2378/5370/files/three_kingdoms_tv_series.pdf
- https://cdn.shopify.com/s/files/1/0431/3494/3388/files/chaos_horntail_guide.pdf
- https://cdn.shopify.com/s/files/1/0429/9482/7418/files/70487037562.pdf
- https://cdn.shopify.com/s/files/1/0434/9306/4870/files/10836365295.pdf
- https://cdn.shopify.com/s/files/1/0429/6402/5493/files/31166976085.pdf
- https://cdn.shopify.com/s/files/1/0434/9542/4165/files/mizavobukatakabufep.pdf
- https://cdn.shopify.com/s/files/1/0432/7181/5331/files/tumulamok.pdf
- https://cdn.shopify.com/s/files/1/0428/3033/2060/files/78720647402.pdf
- https://cdn.shopify.com/s/files/1/0428/1666/7815/files/manual_of_montana_vascular_plants.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_off00008036.bin6ec20e1375d12f0312dd8761a008b60381d71bbb8cb187b0e280c530601c7bfb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8036 | 5220 bytes |
font_01_sfnt_off000091f9.bin444db7a54fb2ccd0c3d481b4438e7da9e754a47b76b7df1a2c5d1b577ad9e96f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x91F9 | 11024 bytes |
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