MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, with one identified as a malicious redirector pointing to 'https://ttraff.ru/wix?keyword=all+of+me+violin+and+guitar+sheet+mu'. The document body, though heavily obfuscated, contains text suggesting it is related to sheet music, which is likely a lure. The presence of numerous other PDF links suggests a link farm or SEO manipulation tactic to distribute malicious content.
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=all+of+me+violin+and+guitar+sheet+mu
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/a48928_94c98b502a3347b3acc9c2ce3df94805.pdf
- https://static.usrfiles.com/ugd/b8c837_0615030b34e94baab4a6cb96bc143ad6.pdf
- https://static.usrfiles.com/ugd/b8c837_386c1266962646c6bf52768495d0dd1b.pdf
- https://static.usrfiles.com/ugd/738632_6687e652cd094a60ae89200816ee682f.pdf
- https://static.usrfiles.com/ugd/a771bd_2337f56c2e0d4c8589f6af7970513e17.pdf
- https://static.usrfiles.com/ugd/e32576_1c92dbf56b1b401baa22906f3ac3bfbb.pdf
- https://static.usrfiles.com/ugd/e1c37d_d338d16dc31b4e0589e564d17b08d50c.pdf
- https://cdn.shopify.com/s/files/1/0433/4184/0534/files/vixexazukow.pdf
- https://cdn.shopify.com/s/files/1/0440/2439/7989/files/7334839442.pdf
- https://cdn.shopify.com/s/files/1/0429/9830/0823/files/archimate_specification_download.pdf
- https://static.usrfiles.com/ugd/8a419d_813dd33e60e1409ab9fb1b9ffd90f3ab.pdf
- https://static.usrfiles.com/ugd/b8c837_e7a8f57579a54e8bb5522ce5f8d24548.pdf
- https://static.usrfiles.com/ugd/01e791_cc7c84c6119a4480969e79dd0d5f05f2.pdf
- https://static.usrfiles.com/ugd/f7fbc8_2928e192375b42bb87e9b32c42cc87ad.pdf
- https://static.usrfiles.com/ugd/b8c837_f160cccd797b40dc8753f7f406c2e438.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005b50.bin758953d78357d2c549d8b9d72d6b81600beaefcfa99f7b124a4c4343020f370b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B50 | 5372 bytes |
font_01_sfnt_off00006d6b.binc295932b09f734422beab68d8a186f11202e71969bb4cd4a0d7d4764e49a0e63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D6B | 12204 bytes |
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