MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.cc'. This URL is embedded within the document body, suggesting an attempt to redirect the user to a malicious site. The presence of a large number of external PDF links, many pointing to 'static.usrfiles.com', indicates a link farm strategy, likely to improve SEO for malicious content or to obscure the final destination. The ML classifier also 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=slim+fast+14+day+challenge+results
- https://static.usrfiles.com/ugd/b8c837_5a9734a297ca4871a6edb910b305b522.pdf
- https://static.usrfiles.com/ugd/b8c837_b02d5dd660a24be2bac38fd87c4b71f8.pdf
- https://static.usrfiles.com/ugd/b8c837_c7cd55585e554314b7a15843aa122d0f.pdf
- https://static.usrfiles.com/ugd/d4a9d6_4dc90ea15c834588813a556d8360791e.pdf
- https://static.usrfiles.com/ugd/b8c837_4e7aa3bf8441449389b7bac19fd60826.pdf
- https://static.usrfiles.com/ugd/b8c837_a496ec9dafba4540af55f577d62db32e.pdf
- https://static.usrfiles.com/ugd/314c35_4418af36fb814eacb64103791e2e6b38.pdf
- https://static.usrfiles.com/ugd/b8c837_4f430eee9e9b442993b1fc04c3d562ac.pdf
- https://cdn.shopify.com/s/files/1/0457/6896/6300/files/banner_maker_application_free.pdf
- https://cdn.shopify.com/s/files/1/0429/0537/0787/files/8642957162.pdf
- https://static.usrfiles.com/ugd/b8c837_c87ea941250c487e8e6f9527c2a4aff2.pdf
- https://static.usrfiles.com/ugd/b8c837_92d2526c93cb496e9193eaea4a828be4.pdf
- https://static.usrfiles.com/ugd/8b97dd_40cbf24823064aa5a983b26b85c6a14c.pdf
- https://static.usrfiles.com/ugd/cac9e4_a0bde97d3d5b42dba4f44cdee2ba741e.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_off00006225.bin86af35e9914bc5339ed9045c79a628e457143440ce85758eb259c2777bf3e694 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6225 | 5780 bytes |
font_01_sfnt_off000075ac.binb85cfe076e178526ae586bef09e9c93b2fea83183e41326fa795162caae6bbde |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75AC | 11204 bytes |
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