MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a malicious redirector link disguised as a document about interview questions. The primary malicious URL, https://ttraff.ru/wix?keyword=top+10+behavioral+interview+questions+and+answers+pdf, is designed to lead the user to further malicious content. The PDF also contains a large number of links to other PDFs, likely for SEO manipulation or to obscure the malicious redirector. No scripts were extracted, but the presence of a critical redirector heuristic and ML flagging indicates malicious intent.
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=top+10+behavioral+interview+questions+and+answers+pdf
- https://static.usrfiles.com/ugd/b8c837_1eeb1d42e4af45868d3c1e9680d850aa.pdf
- https://static.usrfiles.com/ugd/b8c837_41b445d729604eb491da607c374981f2.pdf
- https://static.usrfiles.com/ugd/60933b_885adb39a1a942a2bcf8d14e7ea3db94.pdf
- https://static.usrfiles.com/ugd/50c35f_68e9104c52ea4337833954c33ddd5448.pdf
- https://cdn.shopify.com/s/files/1/0432/3239/5423/files/povokugidurojerilejil.pdf
- https://static.usrfiles.com/ugd/b8c837_eb6fca7f18444a6a859001c0166b6698.pdf
- https://static.usrfiles.com/ugd/32acb1_aced01cd2d944494b3757e7202e6e913.pdf
- https://static.usrfiles.com/ugd/b8c837_e6a7acd930df4189b0463412e8d27f4b.pdf
- https://static.usrfiles.com/ugd/6f58fb_599b594c84c24c7ea7f809c8e8e129d9.pdf
- https://static.usrfiles.com/ugd/b8c837_21d6ff3c49214fa6ac49425e5d180274.pdf
- https://static.usrfiles.com/ugd/b972d5_e06fb498ae7c4bfb9fd3f5aa4693bf64.pdf
- https://static.usrfiles.com/ugd/b8c837_aa221773c22547fdb89987f057ae7911.pdf
- https://static.usrfiles.com/ugd/f09a9d_2f7767def7ba47f79a9dea82586a98ee.pdf
- https://static.usrfiles.com/ugd/b8c837_4ba776081e1a4b24b12f870d08ffc894.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_off00006035.bin5244d01375f7c844970bf998bd3f2d3a2f39cb5f4c53c7f4e0cdf5ee95f6d98e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6035 | 5692 bytes |
font_01_sfnt_off0000738e.bin2472a0ec4d207f3e942fda37eee36220f033fd4f0efc1296de3e15a91013fba3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x738E | 10136 bytes |
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