MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically targeting searches for '5th grade math olympiad problems and solutions pdf'. The primary malicious URL identified is https://ttraff.cc/wix. The document body, though heavily obfuscated, contains references to this URL and other benign-looking Shopify links, likely to appear legitimate. The ML classifier strongly indicated maliciousness.
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=5th+grade+math+olympiad+problems+and+solutions+pdf
- https://cdn.shopify.com/s/files/1/0432/0909/7376/files/argyreia_nervosa_trip_report.pdf
- https://cdn.shopify.com/s/files/1/0430/9073/9361/files/29271474640.pdf
- https://cdn.shopify.com/s/files/1/0439/9444/8030/files/a_dozen_a_day_book_4.pdf
- https://cdn.shopify.com/s/files/1/0439/9346/4990/files/zikoparururepuvumovijo.pdf
- https://cdn.shopify.com/s/files/1/0430/0495/2735/files/mafajixetan.pdf
- https://static.usrfiles.com/ugd/9b33c5_fa8e15f636d74ca49f62801aa21d11c0.pdf
- https://static.usrfiles.com/ugd/b8c837_506f562396bf4f09bcbc7d1bd30129cd.pdf
- https://static.usrfiles.com/ugd/2e4eb4_77aba1929d2b4214ad8448ff81d62259.pdf
- https://static.usrfiles.com/ugd/409ca8_df9b05a7d1b842c58f1a9fa5579a3647.pdf
- https://static.usrfiles.com/ugd/b8c837_1c88fd91eb284196bf4a88e69f2587c6.pdf
- https://cdn.shopify.com/s/files/1/0461/7538/7811/files/mole_mole_relationships_stoichiomet.pdf
- https://cdn.shopify.com/s/files/1/0430/8307/1642/files/jutopepedarab.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_off000043e7.bine9714e941e586911a49767e94adf266c9a99156f71cdec8ddbc9a162152db485 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x43E7 | 5728 bytes |
font_01_sfnt_off0000573f.bin49b81eb8bd0e51fd0f052c7093fecaac9727eae84732d6fe4ec5e6073d03fcf2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x573F | 10936 bytes |
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