MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many pointing to benign Shopify URLs, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the same malicious URL and appears to be a lure related to sheet music. The presence of numerous links suggests a link farm or SEO poisoning attempt to distribute the malicious redirector.
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.me/wix?keyword=tchaikovsky+sleeping+beauty+piano+sheet+music
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/2873/3352/files/maxwell_s_wave_equation.pdf
- https://cdn.shopify.com/s/files/1/0430/8353/0394/files/sarironovelideva.pdf
- https://cdn.shopify.com/s/files/1/0468/0086/3381/files/ejercicios_de_cuerpos_geometricos.pdf
- https://cdn.shopify.com/s/files/1/0446/5026/6787/files/learning_styles_articles.pdf
- https://cdn.shopify.com/s/files/1/0427/8091/7926/files/45687521173.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bewasovenajuwawofitef.pdf
- https://cdn.shopify.com/s/files/1/0433/7414/9793/files/7627046844.pdf
- https://cdn.shopify.com/s/files/1/0431/0505/8976/files/91710225869.pdf
- https://cdn.shopify.com/s/files/1/0429/5570/2425/files/desunewekivomoxaluto.pdf
- https://static.usrfiles.com/ugd/f80014_491e01d974f944339ddc18d8292e3caa.pdf
- https://static.usrfiles.com/ugd/f46427_0747871a57874c5a8549555b337a0bf9.pdf
- https://static.usrfiles.com/ugd/f515ca_aa26be86d9774636a330fd70c807285e.pdf
- https://static.usrfiles.com/ugd/0dd040_cdfd1b53ba5443ccb12377412629e829.pdf
- https://static.usrfiles.com/ugd/9421c8_2e7aaba511914b2facc61dea8749202e.pdf
- https://static.usrfiles.com/ugd/83b1b3_e06afb29cc72499f949781f1b0509661.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_off000048d2.bin21c9218d0e66c3e67bc8d39f9d417b6249f0c87814de2e0849049b18ae0f09e5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x48D2 | 5568 bytes |
font_01_sfnt_off00005bae.bin3cc4fbb72a25573b56d8d96b2722566ecbeca8f9cd4dd72356febd3b46140d3b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BAE | 9916 bytes |
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