MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a prominent link disguised as a free software download, which is a common social engineering tactic. This link, 'https://ttraff.link/wix?keyword=windows+xp+reboot+software+free', is flagged as a malicious redirector. The document also features a large number of external links, many pointing to static.usrfiles.com, suggesting a link farm or SEO manipulation to increase visibility. 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.link/wix?keyword=windows+xp+reboot+software+free
- https://static.usrfiles.com/ugd/b6edda_ec4610da95004685a9fd58e958de77e7.pdf
- https://static.usrfiles.com/ugd/a771bd_4c6f924289074710b63c6141d4e39ba8.pdf
- https://static.usrfiles.com/ugd/d7ba0f_2571a3cd660f4425863318f599d1e594.pdf
- https://static.usrfiles.com/ugd/0a052f_874c81df986b4c0883fa1b1a78efc28a.pdf
- https://static.usrfiles.com/ugd/28b3f7_a58aa750605f4a6591b8ea7e76945d4d.pdf
- https://cdn.shopify.com/s/files/1/0428/5952/8355/files/80916368144.pdf
- https://cdn.shopify.com/s/files/1/0429/0910/6335/files/jilekikojaver.pdf
- https://static.usrfiles.com/ugd/3ce946_5c9f784654a44653a2408b55f6aec463.pdf
- https://static.usrfiles.com/ugd/b8c837_c1c9d490aab846f5b80f94d44adeccb7.pdf
- https://static.usrfiles.com/ugd/e1c37d_e1e78bb811ae496995e0d65c9ec8a308.pdf
- https://cdn.shopify.com/s/files/1/0427/9628/6111/files/feromukutu.pdf
- https://cdn.shopify.com/s/files/1/0439/1862/2875/files/libro_de_bacteriologia_y_micologia_veterinaria.pdf
- https://cdn.shopify.com/s/files/1/0437/9020/5090/files/bemororep.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006963.binba408b8ab6eeed80e8b6985686dd5033aca2b28802496b6ae8fadeba86b4d53b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6963 | 5104 bytes |
font_01_sfnt_off00007ad6.bin546e046b674be6bbbb86b0e553648d4504b9060212534f2d1c49b884defb315d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AD6 | 9904 bytes |
font_02_sfnt_off00009cd8.binb50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9CD8 | 4324 bytes |
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