MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a link to a known malicious redirector, disguised as educational content. The PDF also hosts a large number of external links, suggesting it is part of a link farm designed to manipulate search engine results. The ML classifier strongly indicates maliciousness, and the embedded URL is a primary indicator of this malicious activity.
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.link/wix?keyword=module+4+rational+expressions+and+functions+answers
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/e2c250_b59c010aa13b411492eb96a9f9538919.pdf
- https://static.usrfiles.com/ugd/b8c837_19d9407701564c2891419850f091e039.pdf
- https://static.usrfiles.com/ugd/f63f29_fc1365528f7948dea972b6bcd68a2dd0.pdf
- https://static.usrfiles.com/ugd/c722c2_598d451079d34fe09f046a4c0c896ace.pdf
- https://static.usrfiles.com/ugd/5b5da7_deec79334655489684c19e465b6a25fa.pdf
- https://static.usrfiles.com/ugd/de3d83_773ac1c994cd47c8ad0768e2c7baaeed.pdf
- https://static.usrfiles.com/ugd/efb3f0_80aa8370af654385afcb30118d8dc99a.pdf
- https://static.usrfiles.com/ugd/9a242c_529c8340837843b78455c174568d8c02.pdf
- https://static.usrfiles.com/ugd/dcf9ad_cb71fad117184f638150e9b2d717e4ea.pdf
- https://cdn.shopify.com/s/files/1/0429/9826/8065/files/49566594318.pdf
- https://cdn.shopify.com/s/files/1/0431/9461/3924/files/6600083082.pdf
- https://cdn.shopify.com/s/files/1/0437/3885/7623/files/the_death_of_grass.pdf
- https://cdn.shopify.com/s/files/1/0430/3070/8385/files/libro_alter_ego_1.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_off00006695.binf80569727c8a38ccf147dcc6d3ce2f9890b39e93e856a5447d31dd0e7507558b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6695 | 5400 bytes |
font_01_sfnt_off0000792c.bin1b73e1851d3bac5aac841d7bfb4f993eea26b77d74cf806e99423ddd065ef28d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x792C | 9724 bytes |
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