MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The primary malicious URL identified is 'https://ttraff.ru/wix?keyword=que+son+los+problemas+de+la+etica'. The document body, though heavily obfuscated, contains this URL and other PDF links, suggesting a lure to a malicious site. The ML classifier also 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.ru/wix?keyword=que+son+los+problemas+de+la+etica
- https://static.usrfiles.com/ugd/b8c837_9205e142f72a4937a5e236e07320cc8b.pdf
- https://static.usrfiles.com/ugd/b8c837_889bbe83afd54d46bbfef5d9a3a0254c.pdf
- https://static.usrfiles.com/ugd/b8c837_dfe136bcdc9e448dbf4c3a112f7ebd87.pdf
- https://static.usrfiles.com/ugd/b8c837_c693a7209468469290000844a6107def.pdf
- https://static.usrfiles.com/ugd/b8c837_1e5e21ddac784393b810623b8b435b14.pdf
- https://static.usrfiles.com/ugd/b8c837_0106fd912dd84c909ba201ee057df656.pdf
- https://static.usrfiles.com/ugd/353d00_101269ce4baf4dceb3e6fe6111ca620e.pdf
- https://static.usrfiles.com/ugd/b8c837_3b3ea172b5c2452ca0f08364a1105733.pdf
- https://cdn.shopify.com/s/files/1/0429/6481/1927/files/27744664339.pdf
- https://cdn.shopify.com/s/files/1/0431/4251/2802/files/p90x_nutrition_plan.pdf
- https://static.usrfiles.com/ugd/15cd4d_1104b22120fc481c860243463ac26a57.pdf
- https://static.usrfiles.com/ugd/b8c837_79e76a06d6be4c83b626728f7c18cdab.pdf
- https://static.usrfiles.com/ugd/b8c837_594e62a26def4f958d9c5a3b23c604a4.pdf
- https://static.usrfiles.com/ugd/b8c837_e21ac01d42b1456f88727182eb37006b.pdf
- https://static.usrfiles.com/ugd/b8c837_dd478a87a217432d8bf1dbebc761b52b.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_off000088e8.bin41225709ab7819c2da2ddb88bc8a40dec50d77ded4055ea829234ca12c23112b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88E8 | 5420 bytes |
font_01_sfnt_off00009b29.bin484cbdfee6637ec2f386e1a2317e5d0b90d4b277d76a5a7900e05ece8cd43396 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B29 | 16688 bytes |
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