MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link that redirects to a known malicious URL, disguised as a search result for sheet music. The ML classifier strongly flagged this PDF as malicious. The embedded URLs suggest a link farm technique used to distribute malicious content. No scripts were extracted, limiting the analysis of specific execution behaviors.
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/pify?keyword=westworld+black+hole+sun+sheet+music+pdf
- http://files.wlcbands.com/uploads/1/3/1/1/131163931/2921846.pdf
- http://files.tomsimonsonphotography.com/uploads/1/3/2/6/132683330/zomeresuloxali_pewuponewelozo.pdf
- http://files.theflourishsisterhood.com/uploads/1/3/1/3/131398156/95d18288fa830.pdf
- http://files.msdanielledobeleit.com/uploads/1/3/1/4/131454065/sosem.pdf
- https://cdn.shopify.com/s/files/1/0440/4399/3238/files/lenofovu.pdf
- https://cdn.shopify.com/s/files/1/0430/8477/5577/files/popanobetebova.pdf
- https://cdn.shopify.com/s/files/1/0437/5805/9671/files/btw_meaning_in_texting.pdf
- https://cdn.shopify.com/s/files/1/0431/5014/7733/files/37815610404.pdf
- https://cdn.shopify.com/s/files/1/0434/5665/9621/files/kuzebofupaji.pdf
- https://cdn.shopify.com/s/files/1/0427/7954/1671/files/64847513074.pdf
- https://cdn.shopify.com/s/files/1/0430/4555/2277/files/youtube_e4_b8_8b_e8_bd_bd.pdf
- https://cdn.shopify.com/s/files/1/0433/2303/1720/files/83221764710.pdf
- https://cdn.shopify.com/s/files/1/0431/9284/4448/files/67801789621.pdf
- https://cdn.shopify.com/s/files/1/0434/6730/9206/files/sofakupatepabo.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/7997453156.pdf
- https://cdn.shopify.com/s/files/1/0437/9744/6816/files/38658251479.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000050d7.bin2d3b0dcee3339fb159c6e0614de7a8c8d9d9576bfb736b836a738e452e9d1fb3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x50D7 | 5704 bytes |
font_01_sfnt_off0000642e.bin57266a48a2bf71bf92db9e4ab2c6d1e7834e5b6b6482ceed6bb5fd07d60b799f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x642E | 10436 bytes |
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