MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.cc, which is likely used to funnel victims to further malicious content. The document body, though heavily obfuscated, contains the same redirector URL and a list of other URLs hosted on static.usrfiles.com, suggesting a link farm or SEO poisoning tactic to improve search engine visibility for malicious content. The ML classifier strongly flagged this PDF as malicious.
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=zen+dude+fitness+program
- https://static.usrfiles.com/ugd/8cbfce_7ccc05d324be4a51bce7a1bb1fdf1fe1.pdf
- https://static.usrfiles.com/ugd/271e65_93adfcdbf71d4852a11dc788b2ab013c.pdf
- https://static.usrfiles.com/ugd/b8c837_7749e4e019894db19f760c4fb37cd163.pdf
- https://static.usrfiles.com/ugd/08fe48_3f13d1668af645be8a9fa33548effdf8.pdf
- https://static.usrfiles.com/ugd/09273f_9d3a97618d1149029491fa1d6552be81.pdf
- https://static.usrfiles.com/ugd/fedf23_2839a7d5fb674c71bc7593ba552924b8.pdf
- https://static.usrfiles.com/ugd/c33cdb_b105087b0c1542fa823a57d98d81d2b0.pdf
- https://static.usrfiles.com/ugd/b8c837_ed579ad385854d5c88d434ac03084648.pdf
- https://static.usrfiles.com/ugd/10b11f_f75263f9c7c741249983f353bbf87cff.pdf
- https://static.usrfiles.com/ugd/b4609a_7211de26f3b640aa91c8eb5794c93211.pdf
- https://static.usrfiles.com/ugd/b8c837_b807141955ef4b10b45a1f6f3750c3ad.pdf
- https://static.usrfiles.com/ugd/e3325f_4ce05a117c8445f59a702fb73040378f.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_off0000712e.bin50d2a1c179b0de480660eba64ef694c1db0ac2df1bda4ab1baf2b7ad1b9dda02 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x712E | 5288 bytes |
font_01_sfnt_off00008318.binfa3b3d10ea79dec22f760e2f6029b1891a3d9028a84b211f9f72616b87a4df52 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8318 | 10488 bytes |
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