MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged as malicious by a machine learning classifier and contains a link to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the same URL. This suggests the primary purpose of the PDF is to redirect users to a malicious site, likely for phishing or malware delivery.
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.ru/wix?keyword=yang+xiao+long+robot+arm
- https://static.usrfiles.com/ugd/b8c837_40dbcdf10ff84d5dbb6ccb3f84381f72.pdf
- https://static.usrfiles.com/ugd/b8c837_70d203f4d53e4b0ab0d07acb0cac9bbc.pdf
- https://static.usrfiles.com/ugd/b8c837_8f8ef4fdabd7440c9452d65214075379.pdf
- https://static.usrfiles.com/ugd/b8c837_f1688ae0d4854c749b564f0fb6d15fe0.pdf
- https://static.usrfiles.com/ugd/b8c837_9f959deedbb14b019a9f5874d875d645.pdf
- https://static.usrfiles.com/ugd/b8c837_b4a197002e1a48ee833a6cc440b77a39.pdf
- https://static.usrfiles.com/ugd/b8c837_c4a474de23234ad19ff6efe174bdf19a.pdf
- https://static.usrfiles.com/ugd/b8c837_2be55c7e8b444c1fa019757a913632e9.pdf
- https://cdn.shopify.com/s/files/1/0434/1301/2630/files/99834107718.pdf
- https://cdn.shopify.com/s/files/1/0428/1620/9059/files/98109478533.pdf
- https://cdn.shopify.com/s/files/1/0450/9014/4421/files/didadabedijetotorasajuj.pdf
- https://cdn.shopify.com/s/files/1/0431/2514/5760/files/tutif.pdf
- https://cdn.shopify.com/s/files/1/0431/0702/5060/files/fukevebove.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000a527.bin61b45ddb5318e81f95765e49fe3edd6e074d959edce769752a7acac181c2b97a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA527 | 4284 bytes |
font_01_sfnt_off0000b41b.bin288349adf18cf0c7bad89f43ee3825d521b067ccc6a89f2041f3eebd603e8ab5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB41B | 4996 bytes |
font_02_sfnt_off0000c507.bin090b1929ff069c83f12ad71a06ab93af9a6dc72b3f3bec32416c0d8465a640ad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC507 | 10692 bytes |
font_03_sfnt_off0000e932.bin777ea0033fd2e52a4c5710ced8849c3662d637468619a5a0a9d6ae8d2fc2b77f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE932 | 17516 bytes |
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