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 malicious URL, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text that appears to be a lure related to search terms. The PDF_SEO_LINK_FARM heuristic indicates the PDF is part of a larger link farm, suggesting a broad distribution effort. The ML_NYX_PDF_MALICIOUS classifier strongly indicates malicious intent.
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/wix?keyword=businessman+tamil+songs+free++starmusiq
- https://static.usrfiles.com/ugd/4f92c1_2516967b12674e01a33726a084f53e63.pdf
- https://static.usrfiles.com/ugd/b8c837_1fcb4b6c1bb64482b9a0c250dc60e03b.pdf
- https://static.usrfiles.com/ugd/b8c837_e4166d41eb4c45269922a0a584ee03e0.pdf
- https://static.usrfiles.com/ugd/b8c837_93f8075c03f34010992ff972bb8b7302.pdf
- https://static.usrfiles.com/ugd/2c8d66_9bfcfdd16a3448569a3e87f3d1faf06a.pdf
- https://cdn.shopify.com/s/files/1/0435/6410/5886/files/teamviewer_portable_free.pdf
- https://cdn.shopify.com/s/files/1/0438/9843/7787/files/bsc_physical_chemistry_notes.pdf
- https://cdn.shopify.com/s/files/1/0436/8223/4521/files/12641087693.pdf
- https://cdn.shopify.com/s/files/1/0430/6770/3457/files/161384634.pdf
- https://cdn.shopify.com/s/files/1/0435/4224/9621/files/seussical_jr_script_book.pdf
- https://cdn.shopify.com/s/files/1/0435/1157/8776/files/87106450932.pdf
- https://static.usrfiles.com/ugd/33ab24_c15d38b36ef8402ab1cbd5edf81def86.pdf
- https://static.usrfiles.com/ugd/b8c837_da91eb6cea424e249b9b5cf871653045.pdf
- https://static.usrfiles.com/ugd/d5d855_be2711944f2a46d380ccdc39ef43b416.pdf
- https://static.usrfiles.com/ugd/b8c837_49723570578744938ae893b0c9c2b14f.pdf
- https://static.usrfiles.com/ugd/9ec29b_c6db47c8fc7f46f0ad5c7618b3c4d8e3.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_off00004f73.bin621e6b087b8850c66b6d7a395ac71bf5d7fa891dd11841a402aa364b9060dfdc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4F73 | 5264 bytes |
font_01_sfnt_off0000613d.bin036b59ec58d2433f61cf908e12ac1cbfc42c06b32fa2fc3a47871e3bf32cd425 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x613D | 13640 bytes |
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