MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a critical heuristic firing indicating a malicious redirector link. The document body, though heavily obfuscated, also contains the same malicious URL. The presence of numerous external links, many pointing to static.usrfiles.com, suggests a link farm or SEO poisoning tactic to distribute malicious content. The primary malicious URL is https://ttraff.club/wix?keyword=bottom+navigation+android, which is likely used to redirect users to a phishing or malware download page.
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.club/wix?keyword=bottom+navigation+android
- https://static.usrfiles.com/ugd/a382ee_cccea64d1cfe4c26848794c1056b1a35.pdf
- https://static.usrfiles.com/ugd/10a4aa_7317c164ebf3413fbbe45966dc24eb21.pdf
- https://static.usrfiles.com/ugd/d4579c_07eadddb002b40648c6e9519f147a858.pdf
- https://static.usrfiles.com/ugd/e73fea_c74a5da3007f440b8334e0eca911797f.pdf
- https://static.usrfiles.com/ugd/384ea4_ce951fdafec542cd96d5ae64edd8e875.pdf
- https://static.usrfiles.com/ugd/a838c0_783b65fac6584970bd834d5a5468ad98.pdf
- https://static.usrfiles.com/ugd/b8c837_3852c792e1594649940fe7e44b6a2bfe.pdf
- https://static.usrfiles.com/ugd/b8c837_ad5c5d54f2be471a94e0c221cdb78c6c.pdf
- https://static.usrfiles.com/ugd/b8c837_0d7f62b6f81141dda8cfe8bf027d8c86.pdf
- https://static.usrfiles.com/ugd/07e02c_37ff22aca5ca4611ba920a1e6909ba63.pdf
- https://cdn.shopify.com/s/files/1/0431/5453/8658/files/41878006802.pdf
- https://cdn.shopify.com/s/files/1/0437/7945/7173/files/ariston_velis_evo_80.pdf
- https://cdn.shopify.com/s/files/1/0432/0336/2973/files/lakadafidepamupiwek.pdf
- https://cdn.shopify.com/s/files/1/0438/1576/4128/files/imca_dp_guidelines.pdf
- https://cdn.shopify.com/s/files/1/0435/8547/0623/files/minuet_boccherini_piano_sheet_music.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_off00006ab6.bin92fdb6102c1fd8c7c429afca0656f1548cc7822d98c36d053bb6d3c676d492c6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AB6 | 5044 bytes |
font_01_sfnt_off00007bd1.binfb9e4e20b077b57bf2291808de0e4764e65d2fc07848980d46833fa43dd01ec6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BD1 | 10128 bytes |
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