MALICIOUS
152
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 likely intended to lead the user to a malicious site. The document body contains garbled text but also includes the same redirector URL and a list of other PDF URLs, suggesting a link farm or redirection attempt. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed for malicious redirection.
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=preparing+the+tv+please+try+again+later
- https://static.usrfiles.com/ugd/b8c837_91d4867ac1f04469b83472b97fd8454e.pdf
- https://static.usrfiles.com/ugd/b8c837_7547b62a960b4f7ba97de62b12829a1d.pdf
- https://static.usrfiles.com/ugd/4b7290_dcd6eb65cb23498e87f080b577ae3f09.pdf
- https://cdn.shopify.com/s/files/1/0430/5852/8405/files/85237469948.pdf
- https://cdn.shopify.com/s/files/1/0431/0673/0138/files/71055834460.pdf
- https://static.usrfiles.com/ugd/b8c837_a2069fcc385d483c8417b5d2b6ac7d3a.pdf
- https://static.usrfiles.com/ugd/b8c837_233d63fd43384f64a6583dfb153e8502.pdf
- https://static.usrfiles.com/ugd/314c35_81763035c4db40019d1f9fcff222ecbd.pdf
- https://static.usrfiles.com/ugd/b8c837_38511c11674340fa94f471187ca1020b.pdf
- https://static.usrfiles.com/ugd/b8c837_39031162c1a244c890e29b41318ea892.pdf
- https://static.usrfiles.com/ugd/f46427_921b7829353040159f42b37dfafd4ae1.pdf
- https://static.usrfiles.com/ugd/253000_6f9ac9cd50624d8c933c5210a3fb0455.pdf
- https://static.usrfiles.com/ugd/b8c837_1c6863ba88144bb3a23b51bf74ff5727.pdf
- https://static.usrfiles.com/ugd/b8c837_b19ae811a6e5425888552086771aff93.pdf
- https://static.usrfiles.com/ugd/b8c837_59962bd600ad464d9eb0dc9e5e75b475.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_off00007171.bin81335010deca308465536384cd6bc120ae657e0a7c53b8488bc37165e8a29e6b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7171 | 5244 bytes |
font_01_sfnt_off00008341.bin97b2a216c20f861e08081244e73ba1034d75384e20d7f0db23e3542edb9b6bd1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8341 | 10608 bytes |
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