MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous embedded links, masquerading as medical information, that point to a known malicious redirector. The primary malicious URL identified is https://ttraff.com/wix?keyword=broad+posterior+disc+bulge. The ML classifier strongly indicated maliciousness, and the presence of a link farm suggests an attempt to distribute 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.com/wix?keyword=broad+posterior+disc+bulge
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/8de238_c16141431c074df7806a9eeff611972e.pdf
- https://static.usrfiles.com/ugd/93c935_95cff5e946e741638e4dabe7fa4c7984.pdf
- https://static.usrfiles.com/ugd/b8c837_77b02aeddd214e0bb02f33f5f525f027.pdf
- https://static.usrfiles.com/ugd/b8c837_50d717412911452c9e850a5bb5fc6dc9.pdf
- https://cdn.shopify.com/s/files/1/0428/1607/7991/files/winexar.pdf
- https://cdn.shopify.com/s/files/1/0432/4222/5832/files/37610952289.pdf
- https://cdn.shopify.com/s/files/1/0437/9148/3031/files/kofidakimawid.pdf
- https://static.usrfiles.com/ugd/3dd68e_194d37625fc04e1689f36969ebb4c90d.pdf
- https://static.usrfiles.com/ugd/c7a620_38a9e3226aff481ea0e907f70151a9b5.pdf
- https://static.usrfiles.com/ugd/9374a7_22056f114e184097a58132316e2ea7fa.pdf
- https://static.usrfiles.com/ugd/b8c837_37c45fd240a541bcb1f82a62aa723d5d.pdf
- https://cdn.shopify.com/s/files/1/0443/5014/4668/files/army_regulation_190_11.pdf
- https://cdn.shopify.com/s/files/1/0433/6418/8312/files/76426874941.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_off00007f20.bin40e306f1f6b0e95f203684dd0707eb8a14eb485923b5ff07bbaf5fa44e5d3d79 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F20 | 5428 bytes |
font_01_sfnt_off0000919c.bin6fc4c7d5b41af40c29730dc2ae0ba97e0d46042d5cde86515f217a71d05b221a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x919C | 10420 bytes |
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