MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.ru, which is designed to lead users to malicious content. The ML classifier strongly indicates maliciousness. The document body, though heavily obfuscated, contains the same URL, suggesting a lure to a malicious site.
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.ru/wix?keyword=partes+de+una+placa+madre
- https://static.usrfiles.com/ugd/b8c837_dfaa338034b746f7a4c2e5beacc168d9.pdf
- https://static.usrfiles.com/ugd/4826f5_d643b91561e049a9b61ef6e9939d57a6.pdf
- https://static.usrfiles.com/ugd/b8c837_fde285ca2f0545b58b282b894a371ec7.pdf
- https://static.usrfiles.com/ugd/be19e1_22e32d21da1847e992f6d398827487e8.pdf
- https://static.usrfiles.com/ugd/b8c837_c70b9d4424d8405bb3bda691be94c03d.pdf
- https://cdn.shopify.com/s/files/1/0430/7956/5465/files/nosadasazofa.pdf
- https://cdn.shopify.com/s/files/1/0435/6934/8763/files/vikokojitekexubira.pdf
- https://cdn.shopify.com/s/files/1/0462/4488/8730/files/fantino_enojado_con_ricky_sarkany_mi.pdf
- https://static.usrfiles.com/ugd/50c35f_85030d6562324c83ac33623434260a62.pdf
- https://static.usrfiles.com/ugd/8b2c09_9784e2912e054a18934da565c92ab968.pdf
- https://static.usrfiles.com/ugd/7f16bd_206adfcee5134478b00e01845f35d4d6.pdf
- https://static.usrfiles.com/ugd/b8c837_9083d8142d3d4032a29129d32455429d.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/62894204366.pdf
- https://cdn.shopify.com/s/files/1/0437/8093/1742/files/zumamiwogibovavaw.pdf
- https://cdn.shopify.com/s/files/1/0434/5279/2982/files/basic_english_synonyms.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_off00008ac3.bin8e7b14f006b0ed79f5a9a6d0f8b18634e8912fe0e2128c933169895bd9bfafdd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8AC3 | 5220 bytes |
font_01_sfnt_off00009c61.bin8b05a96a4b98af3a8a202020d45228b0f210e2b70bf460d57020cadc3af08e44 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C61 | 11632 bytes |
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