MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link disguised as a search result for "Mariah Carey hero piano sheet music". This link, however, redirects to a malicious URL (https://ttraff.me/wix?keyword=mariah+carey+hero+piano+sheet+music), indicating a phishing or redirection attempt. The ML classifier strongly flagged this PDF as malicious, and the presence of a malicious redirector link further supports this assessment. No scripts were extracted, and the document body was heavily obfuscated, but the primary attack vector is the malicious link.
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=mariah+carey+hero+piano+sheet+music
- https://cdn.shopify.com/s/files/1/0430/8749/5322/files/27566778378.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/1204107997.pdf
- https://cdn.shopify.com/s/files/1/0433/5933/8661/files/82038849725.pdf
- https://static.usrfiles.com/ugd/bd1fc0_39e38335cdad4bd986fed7f22a50a9fd.pdf
- https://static.usrfiles.com/ugd/24853a_6999b85493a847d4b66a54eaeaa0a4c0.pdf
- https://static.usrfiles.com/ugd/eb4c03_64d10abe230643148680b257aa4dd4de.pdf
- https://static.usrfiles.com/ugd/78c764_14b86a046e7941f3b5f8dfbe74044849.pdf
- https://static.usrfiles.com/ugd/0e2875_219bdeb2c10e4a0dbd4d0db89ed88a56.pdf
- https://static.usrfiles.com/ugd/71fd01_82b241dace2346cc936e11a36cde3dda.pdf
- https://static.usrfiles.com/ugd/98e298_79d7392128b5465595be2e00eb0dd663.pdf
- https://static.usrfiles.com/ugd/eaf48f_ac1f5cf6f82d48d198f7c71eec0465ea.pdf
- https://static.usrfiles.com/ugd/ef7486_bc783e2bc2c3481e95b80581529435d8.pdf
- https://static.usrfiles.com/ugd/b0cb2d_7eee256d3ea94305a71cf99d42c6c351.pdf
- https://static.usrfiles.com/ugd/b8c837_44efff5c5cb9483fa3f7557a02b30d8d.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_off00005c32.binc0b6255a045a0d8bee28cd6b409dfec64bdbc3a37e1432e16347eb0d9fc21b9f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C32 | 5248 bytes |
font_01_sfnt_off00006df4.bin616d3183e2ca6b547a863c90c2755e4dec243522309a58aa2b6e7882157f49a7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DF4 | 14820 bytes |
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