MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/wix?keyword=christmas+songs+easy+piano+sheet+music+pdf'. This URL is presented in a context that mimics a search result for sheet music, suggesting a social engineering lure. The file also exhibits characteristics of a link farm, with numerous embedded URLs, many pointing to Shopify. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=christmas+songs+easy+piano+sheet+music+pdf
- https://cdn.shopify.com/s/files/1/0432/3924/3931/files/23682756756.pdf
- https://cdn.shopify.com/s/files/1/0438/0160/8353/files/20420434997.pdf
- https://cdn.shopify.com/s/files/1/0434/5308/7897/files/wevevifimukabut.pdf
- https://cdn.shopify.com/s/files/1/0431/7341/3032/files/finepix_s2950_user_guide.pdf
- https://cdn.shopify.com/s/files/1/0431/5663/5816/files/belastingaangifte_2020_belgie.pdf
- https://static.usrfiles.com/ugd/60933b_1dba5caf4a2645f6be009f12a9bf6417.pdf
- https://static.usrfiles.com/ugd/b8c837_96bb1220464242ba9e414e2cc5540424.pdf
- https://static.usrfiles.com/ugd/b8c837_8f15cece40b245d68ae428b28317248d.pdf
- https://cdn.shopify.com/s/files/1/0433/9000/9502/files/uses_of_aldehydes_and_ketones.pdf
- https://cdn.shopify.com/s/files/1/0431/3012/6496/files/tesolup.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/12509012650.pdf
- https://static.usrfiles.com/ugd/b8c837_eab1f5ba57d3473eb3ce059b61ccb77c.pdf
- https://static.usrfiles.com/ugd/5fd5c1_5e188ffb9fb04fb9b0151c64dd37d0e3.pdf
- https://static.usrfiles.com/ugd/b8c837_9acc212e5ff740a98d511d212432a204.pdf
- https://static.usrfiles.com/ugd/238140_e180a69c74d34d778c8f005af5a4edec.pdf
- https://musescore.com
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000054b7.bin396a74cbe27fd798fa2d0c13f8c8b0d832efce90fc27ee55a23889d016630a43 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x54B7 | 5544 bytes |
font_01_sfnt_off00006769.bin0cf04724f554f6181c5eae4357deaad6817c30a6f4fd1abab4da2febccfbfaf1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6769 | 16356 bytes |
font_02_sfnt_off00009a49.bin321c59ea334f0b0b74574b3bd1f22bdeea3b9bbf2ccfe3a2dd9e77010036b98e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9A49 | 16396 bytes |
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