MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a significant number of embedded links, with one identified as a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/wix?keyword=quien+fue+gonzalo+guerrero', which is flagged as a malicious redirector. The presence of a link farm suggests an attempt to distribute malicious content or phish users.
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=quien+fue+gonzalo+guerrero
- https://static.usrfiles.com/ugd/b8c837_0ef0b7b5cfa94282a8fa342ea28f6974.pdf
- https://static.usrfiles.com/ugd/b8c837_ec6dc4abfed24e0485d191fad560d80a.pdf
- https://static.usrfiles.com/ugd/b8c837_a3912266a6694ec7a4038ccb1f1778ca.pdf
- https://cdn.shopify.com/s/files/1/0435/5306/3063/files/rofegibitilexutixaxib.pdf
- https://cdn.shopify.com/s/files/1/0427/5086/9671/files/47618937191.pdf
- https://cdn.shopify.com/s/files/1/0432/3108/4708/files/11138148524.pdf
- https://static.usrfiles.com/ugd/b8c837_f0e5f779e2c14160ace742a8223cfc19.pdf
- https://static.usrfiles.com/ugd/b8c837_bc7be2a4f37d4ee185b095c27b16b510.pdf
- https://static.usrfiles.com/ugd/b8c837_9c41b12f55664c5b90d4efb899e7a3a3.pdf
- https://static.usrfiles.com/ugd/b8c837_13f261257c5043a58472f0bb93139fd5.pdf
- https://cdn.shopify.com/s/files/1/0450/4174/6078/files/abortus_adalah.pdf
- https://cdn.shopify.com/s/files/1/0429/6183/0037/files/jumagabazokipekuwatusi.pdf
- https://cdn.shopify.com/s/files/1/0439/7583/5806/files/interior_design_brochure_psd_templates.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_off0000cf1d.bin60e4cc29f9f9a47965afc817d0552b3ee91df6f48832434fed306497b27375cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF1D | 4868 bytes |
font_01_sfnt_off0000dfcc.binb2a1e0ed7cd10d7895638c0fbe89432ae2c4888291850b00879dc62cacd3d6aa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFCC | 11416 bytes |
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