MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged as malicious by a machine learning classifier and contains a significant number of embedded links. One of these links, https://ttraff.com/wix?keyword=hurricane+band+of+heathens+piano+sheet+music, points to a known malicious redirector. The document body, though heavily obfuscated, also contains this URL and numerous other links to external PDFs, suggesting a link farm designed to lure users to malicious sites.
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.com/wix?keyword=hurricane+band+of+heathens+piano+sheet+music
- https://static.usrfiles.com/ugd/b8c837_778064ffdee04353abbbbfaab9dbc789.pdf
- https://static.usrfiles.com/ugd/912de2_3192486b08d94cb7ac7168a5f451c2f5.pdf
- https://static.usrfiles.com/ugd/6908d7_c388fae0cfde4e6986c13c0900113477.pdf
- https://static.usrfiles.com/ugd/b8c837_aa1d48ee2241479585c769cc68060bd9.pdf
- https://static.usrfiles.com/ugd/b8c837_3628b14fd6614a71ad1472d7c8846ff4.pdf
- https://cdn.shopify.com/s/files/1/0427/7141/5196/files/2439005702.pdf
- https://cdn.shopify.com/s/files/1/0429/1565/9942/files/construction_project_business_plan.pdf
- https://cdn.shopify.com/s/files/1/0431/9051/7911/files/juwosekamufezakirogirako.pdf
- https://cdn.shopify.com/s/files/1/0437/5710/9399/files/xuzofaravumazafowida.pdf
- https://static.usrfiles.com/ugd/ca9b0a_7327fdb077f34660bc98bd024ba91ff0.pdf
- https://static.usrfiles.com/ugd/6cfc61_cf18d61dc3e74f72a462e00672f0dcaa.pdf
- https://static.usrfiles.com/ugd/868401_98ad1bcb203445069584a214d63e5989.pdf
- https://static.usrfiles.com/ugd/73c254_a7b79e38f0a04333a62c49a8089e466f.pdf
- https://static.usrfiles.com/ugd/0d002d_12b219dd5c8e4d3fa2237ce41aafd32e.pdf
- https://static.usrfiles.com/ugd/bd5c68_dbf485bd097b4adb89a9a1314c666ea7.pdf
- https://static.usrfiles.com/ugd/b8c837_7184b7482ff94b1cba247a814fe5e7b5.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_off00004fbd.bin4e5effe01d8a96bbba4ad890bfc193a9e026b14546055fef1dc30b28785aac04 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4FBD | 5464 bytes |
font_01_sfnt_off00006219.binf818fa2c11986abb88bb078c0c9c28d5a481e76c050455c51a50e2a7a57e4038 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6219 | 9968 bytes |
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