MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, one of which, 'https://ttraff.cc/wix?keyword=clarinet+fight+song+sheet+music', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains this URL and appears to be a lure related to sheet music. The presence of numerous other PDF links suggests a link farm or SEO poisoning attempt 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.cc/wix?keyword=clarinet+fight+song+sheet+music
- http://www.gobando.com/wp-content/uploads/2015/09/Fight-Song-Play-Along.m4a
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/696b8a_119e671386304fa593c4281a297311c2.pdf
- https://static.usrfiles.com/ugd/b52961_d542c8ff03e846b38b2661c473289ecf.pdf
- https://static.usrfiles.com/ugd/3bf302_cb85a0c0a0a0475f96cae49095be992e.pdf
- https://cdn.shopify.com/s/files/1/0437/9020/5090/files/ludubob.pdf
- https://cdn.shopify.com/s/files/1/0433/0127/3758/files/98828203330.pdf
- https://cdn.shopify.com/s/files/1/0428/5631/7091/files/anabaptist_movement.pdf
- https://cdn.shopify.com/s/files/1/0427/8406/3654/files/vanapaporemopi.pdf
- https://cdn.shopify.com/s/files/1/0435/5211/2803/files/povokitegidad.pdf
- https://static.usrfiles.com/ugd/c0fca2_7bc097128cf0456db2aa5a54e112e3bf.pdf
- https://static.usrfiles.com/ugd/b8c837_bf754ad8e78246df8fccd1dcdfbb113d.pdf
- https://static.usrfiles.com/ugd/fd30ac_c7afd8151c1e4410a1db86dc2caa3d6f.pdf
- https://cdn.shopify.com/s/files/1/0431/8186/7176/files/16331014185.pdf
- https://cdn.shopify.com/s/files/1/0431/0689/3985/files/xisazavilarajaxoxoku.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_off000046b5.bin8bdb19f1ee3c4d162cc07aaffb4052619b40b0d998bf352e22f6dab4e3898139 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x46B5 | 5200 bytes |
font_01_sfnt_off00005841.bin7c91a134d9901a7ef1e1f4897e1f1af3388344896ae2d7e8b54a1f2c828683ff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5841 | 9940 bytes |
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