MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a significant number of embedded URLs, with one identified as a malicious redirector. The ML classifier strongly indicates maliciousness. The document body, though heavily obfuscated, contains references to URLs that are likely part of a link farm designed to lure users to malicious sites. The presence of numerous external links suggests an attempt to distribute malware or conduct phishing operations.
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=main+vichara+song++djyoungster
- https://static.usrfiles.com/ugd/b8c837_7b12ea54676b4fd69226921cd694a7aa.pdf
- https://static.usrfiles.com/ugd/b8c837_f6f01d067cf54a63b6bc79927bb47493.pdf
- https://static.usrfiles.com/ugd/b8c837_a6071401020040e89cf7e0f04e877af2.pdf
- https://static.usrfiles.com/ugd/77d535_99bb51b4c8bc4f7bb944f28a28ca4ad8.pdf
- https://static.usrfiles.com/ugd/d55797_a987dc6cd1b44d09b81aa0b6e9bc436d.pdf
- https://static.usrfiles.com/ugd/4117a9_7764f506d5ed40c5aa33d745d2b5a491.pdf
- https://cdn.shopify.com/s/files/1/0429/7739/4847/files/tevir.pdf
- https://cdn.shopify.com/s/files/1/0433/3866/2053/files/18529760737.pdf
- https://cdn.shopify.com/s/files/1/0428/9105/1161/files/dufososinab.pdf
- https://cdn.shopify.com/s/files/1/0438/9080/2856/files/bipefakosasobegejomud.pdf
- https://cdn.shopify.com/s/files/1/0434/2244/9820/files/proper_noun_examples_list.pdf
- https://static.usrfiles.com/ugd/2e4eb4_a56499169acd482baf260273ccd21351.pdf
- https://static.usrfiles.com/ugd/b8c837_6919ffb555e6458f9eca6a2dadef92d9.pdf
- https://static.usrfiles.com/ugd/33ab24_d3eb246c2836499280add3ff553b694b.pdf
- https://static.usrfiles.com/ugd/b7ab08_5197e00907a248eda57617a39eeaf04a.pdf
- https://static.usrfiles.com/ugd/b8c837_a1e84343a25045e0af5817545cbc537a.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_off00005c82.bin21f21dc5f17f68157676d7d07fc18839e6ef522f04aaa11dd35ade645eda1a6e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C82 | 5412 bytes |
font_01_sfnt_off00006f02.bin08307f561b927609288dde69ca8b1d2606c829ac1ff15cd45b58547841487b75 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F02 | 14720 bytes |
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