MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, with one critical heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.me/pify?keyword=who+tb+meningitis+guideline', which is likely intended to redirect the user to a malicious site. The presence of a large number of external PDF links also suggests a link farm or redirection tactic. The ML classifier strongly flagged this PDF as malicious.
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/pify?keyword=who+tb+meningitis+guideline
- https://static.usrfiles.com/ugd/b90ba1_9d0ec824b49f4655b31047459a12709b.pdf
- https://static.usrfiles.com/ugd/b8c837_a23b6ba8c2334f3d8b7f48d618d097d6.pdf
- https://static.usrfiles.com/ugd/384ea4_dc1dc6fedde543c3b49a5ea6ba71e4d6.pdf
- https://static.usrfiles.com/ugd/6116da_156b3cc1969b4981ae5c7485463c12ba.pdf
- https://static.usrfiles.com/ugd/69695d_9fa6264749d841ce873608f4e8bd349a.pdf
- https://static.usrfiles.com/ugd/c33cdb_10dde018bfd0427ca74bc76ca3432bb6.pdf
- https://static.usrfiles.com/ugd/599026_475ddf20e30d403a8f4427963ad17767.pdf
- https://static.usrfiles.com/ugd/850f07_634bcf1a74f84048842fec716bc0f937.pdf
- https://static.usrfiles.com/ugd/3aee12_f030d58e7778471b96108e3b70a69a5b.pdf
- https://static.usrfiles.com/ugd/df73ab_c90db45d39e14ec18aec818399cb8f87.pdf
- https://cdn.shopify.com/s/files/1/0439/8333/9678/files/test_de_raven_resultados.pdf
- https://cdn.shopify.com/s/files/1/0430/3601/6802/files/gamekulemeza.pdf
- https://cdn.shopify.com/s/files/1/0433/6212/3941/files/lubopumawavatavas.pdf
- https://cdn.shopify.com/s/files/1/0430/6652/3809/files/24112473935.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_off000067f6.bind4d6df5079027cf21d703b4942ca00a637f6e87f563ad66fea7ee389e898f59a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67F6 | 5084 bytes |
font_01_sfnt_off0000792a.bine94f40f61b8a69adae21a97eb1dfc51af37350bae04aa6b48807c3f55ae19dc0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x792A | 10516 bytes |
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