MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, also contains this URL and references a 'trx force training guide download', suggesting a social engineering lure. The presence of numerous embedded links, many pointing to 'static.usrfiles.com', indicates a link farm designed to obscure the ultimate malicious destination. The ML classifier strongly supports the malicious nature of this PDF.
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.com/wix?keyword=trx+force+training+guide+download
- https://static.usrfiles.com/ugd/b58d21_d5a2d679f551410cac1e5be15d107391.pdf
- https://static.usrfiles.com/ugd/b8c837_b5e8d0f10240461e9b98d1a2b99c762d.pdf
- https://static.usrfiles.com/ugd/b8c837_828c7b6b1e374f26b03c6deba4942538.pdf
- https://static.usrfiles.com/ugd/ea78e0_45f3f79433fb48e7a1ebabd01c29fbf5.pdf
- https://static.usrfiles.com/ugd/bd5c68_965eb612d33a423597c2e3f7f16ed2cc.pdf
- https://static.usrfiles.com/ugd/b8c837_901166200ca84c9492832501ae1e2cc4.pdf
- https://cdn.shopify.com/s/files/1/0431/9353/2573/files/frameset_rows_and_cols_in_html.pdf
- https://cdn.shopify.com/s/files/1/0438/4607/4525/files/75014301063.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/89349082521.pdf
- https://static.usrfiles.com/ugd/b8c837_0dfc3785306543a388e23d8a6da47aa9.pdf
- https://static.usrfiles.com/ugd/9c43ec_94879224d6b948d69b01965bd1c35524.pdf
- https://static.usrfiles.com/ugd/a467d2_6fef3e8d5240493d94f6b88aa3b1a90d.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_off000048c2.bin73e120576e22b8651e5b0e9237ebced5b31a673e06f2550ffbb4c6973928d61e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x48C2 | 5120 bytes |
font_01_sfnt_off00005a4b.bin3cf30c59dc486d658cdc5284e7e382b5f11cad50b9f79455b07a465076200f11 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A4B | 10060 bytes |
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