MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm and a redirector URL, indicating an attempt to lead users to malicious content. The document body, though obfuscated, contains the redirector URL and a lure related to sheet music. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed for malicious redirection.
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/pify?keyword=doomed+bring+me+the+horizon+sheet+music
- http://files.lunacatfluencer.com/uploads/1/3/0/7/130776592/sumikuken.pdf
- http://files.barbarakrichardson.com/uploads/1/3/0/7/130739826/sirugepukij.pdf
- http://navazi.backtobal.com/uploads/1/3/1/8/131858661/1346080.pdf
- http://files.toujourkennel.com/uploads/1/3/1/6/131637853/jonulegovipujafid.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/2702/1480/files/gugax.pdf
- https://cdn.shopify.com/s/files/1/0432/5844/5979/files/cantico_di_frate_sole_testo.pdf
- https://cdn.shopify.com/s/files/1/0434/7772/9432/files/rijebenelulewoso.pdf
- https://cdn.shopify.com/s/files/1/0431/4251/2802/files/comparing_and_ordering_whole_numbers_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0437/7876/9045/files/jquery_change_element_type.pdf
- https://cdn.shopify.com/s/files/1/0434/1281/6039/files/sikopiloja.pdf
- https://cdn.shopify.com/s/files/1/0429/0707/4723/files/sadikuxigasifex.pdf
- https://cdn.shopify.com/s/files/1/0433/2666/8952/files/xurikaresegaza.pdf
- https://cdn.shopify.com/s/files/1/0431/6073/1803/files/adobe_photoshop_cs3_tutorials_in_urdu.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_off0000453a.binf501a400b0ad7a163900bcf41187601ffb9170f5cfa34b1d72167c8c0e393646 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x453A | 5300 bytes |
font_01_sfnt_off0000571c.binb435c6eb8b2334b5db11ea301d06406eabf4771a57e9a39a89c33a5c10bc34a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x571C | 8916 bytes |
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