MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to a redirector service. The document body, though heavily obfuscated, contains a URL that appears to be part of a link farm designed to attract users searching for piano sheet music. This suggests a phishing or scam attempt, likely using the embedded links to direct users to 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.club/wix?keyword=best+piano+sheet+music+app+for+ipad
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/865d50_b2c10dd425cf45e9be60fb29b9523bd8.pdf
- https://static.usrfiles.com/ugd/5be868_92611fbaa06f4ecda066bc6c51843062.pdf
- https://static.usrfiles.com/ugd/8cbfce_37a9d6c8e8d84b24a84f7f48b046bd32.pdf
- https://static.usrfiles.com/ugd/e3834b_af5f037757c941f6b3d2cebd9fea3235.pdf
- https://static.usrfiles.com/ugd/e2f197_cad27449895e420a86a7a44e31207803.pdf
- https://static.usrfiles.com/ugd/e6092c_d70b20b311954e35ac8c321d315113c5.pdf
- https://static.usrfiles.com/ugd/41f880_86814e7b704b479689065faa569572ec.pdf
- https://static.usrfiles.com/ugd/0a052f_40dbcb62fa414a809e44a98c7b62de6a.pdf
- https://static.usrfiles.com/ugd/6cf804_fff8e42dd3694410a91993903e009840.pdf
- https://static.usrfiles.com/ugd/b8c837_ac91687b732644d1821dfdf29abd2de2.pdf
- https://static.usrfiles.com/ugd/ebbcbd_010e441f22804b5fa7d35e9c7ec457b4.pdf
- https://static.usrfiles.com/ugd/32777b_ffa1e77860174df5b974f9e55d7d4414.pdf
- https://static.usrfiles.com/ugd/5ed537_996e5fcb63a747a3a3209fa5bb840ce2.pdf
- https://static.usrfiles.com/ugd/01d500_193edc2b6d6149d5b42237e1b69f0613.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_off0000678f.bin9637231633c7409299af52dd8b2b04bb76c057bde451707a5141f82f5bfcc9a5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x678F | 5412 bytes |
font_01_sfnt_off000079d3.bin9f0667615af2e8bd6d1bfecdeacbe7468d26eab0fcd2386853ee8c085235f760 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79D3 | 10380 bytes |
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