MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.cc, which is disguised as a 'gymnast injury report'. This indicates a likely phishing or malware delivery attempt. The PDF also features a large number of external links, suggesting a link farm or SEO poisoning tactic. 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=gymnast+injury+report
- https://static.usrfiles.com/ugd/8a419d_b3da7052e5a44762a44d653594fd3712.pdf
- https://static.usrfiles.com/ugd/d7ba0f_c327d91bccef4a74a81f8ac54e71ac24.pdf
- https://static.usrfiles.com/ugd/9c43ec_1794c352a38b40a2be3d308b10cad429.pdf
- https://static.usrfiles.com/ugd/73f3b0_b67b25939a8c4acdbf71fb206e72edbe.pdf
- https://static.usrfiles.com/ugd/29c71c_4635183981b04cf4aecffb991d07e078.pdf
- https://cdn.shopify.com/s/files/1/0437/5052/3029/files/niobe_labs_guide.pdf
- https://cdn.shopify.com/s/files/1/0446/3286/6979/files/55107653818.pdf
- https://cdn.shopify.com/s/files/1/0436/7358/3781/files/3069794895.pdf
- https://cdn.shopify.com/s/files/1/0431/3235/4711/files/all_laboratory_equipment_and_their_uses.pdf
- https://cdn.shopify.com/s/files/1/0436/0221/5074/files/bogoku.pdf
- https://cdn.shopify.com/s/files/1/0438/0593/3730/files/welup.pdf
- https://cdn.shopify.com/s/files/1/0433/5344/0414/files/guntersville_fishing_report_june_2019.pdf
- https://cdn.shopify.com/s/files/1/0430/8706/9335/files/josilurajolokexilog.pdf
- https://cdn.shopify.com/s/files/1/0435/5240/7704/files/language_comprehension_questions_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0431/0620/5857/files/nitro_8.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_off0000c782.bin9618c047f1adba95fe0036cd1aac8632d3b346bf5ffecedc6e68686bd087ecbd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC782 | 5140 bytes |
font_01_sfnt_off0000d8f6.bin885f5b68906fd5f874531b480fa51894a9cdd706104d660357bd28e598b69f7e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8F6 | 10288 bytes |
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