MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links, one of which, 'https://ttraff.ru/wix?keyword=blount+university+of+alabama', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains this URL and other links pointing to a PDF link farm, suggesting a phishing or scam attempt. The ML classifier also strongly indicated maliciousness.
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.ru/wix?keyword=blount+university+of+alabama
- https://static.usrfiles.com/ugd/b8c837_beaf0f4ae0944100b8047c300d0beb16.pdf
- https://static.usrfiles.com/ugd/b8c837_3cefc7238c4540a884b66f684e1a503d.pdf
- https://static.usrfiles.com/ugd/b8c837_11734de3b77c411581461eb84533a23e.pdf
- https://static.usrfiles.com/ugd/b8c837_f6454569ec054182aca7b573c3613ff6.pdf
- https://static.usrfiles.com/ugd/b8c837_03c0f31937d141bfbe664aea726c2791.pdf
- https://static.usrfiles.com/ugd/b8c837_fa60f998f3ca46a0a3a5118adb8edc6e.pdf
- https://static.usrfiles.com/ugd/b8c837_f9041e3a4ecf47f2bb1f5f26774a73c0.pdf
- https://static.usrfiles.com/ugd/b8c837_2c9b3ba46b3143a5a3cb622ac9fb4cc7.pdf
- https://cdn.shopify.com/s/files/1/0433/9941/3925/files/49388976041.pdf
- https://cdn.shopify.com/s/files/1/0433/4790/2629/files/communicate_in_english_class_8_answers.pdf
- https://cdn.shopify.com/s/files/1/0433/6982/4407/files/tibakifutepid.pdf
- https://cdn.shopify.com/s/files/1/0439/9982/1982/files/valvulas_ksb.pdf
- https://static.usrfiles.com/ugd/b8c837_b0a6355140284d5ea78165582bcba1ee.pdf
- https://static.usrfiles.com/ugd/b8c837_41739e46bade405d8169c1762424a5e1.pdf
- https://static.usrfiles.com/ugd/b8c837_daf4ec05f5bf402faf6d38e30f2777ea.pdf
- https://static.usrfiles.com/ugd/b8c837_a33d3cda790a4d43ba951291a5ab1ebf.pdf
- https://static.usrfiles.com/ugd/b8c837_077801986ce341a8858c1d3b0c43f43f.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_off00006e02.bin284202f9a463ea7df79e2ce91ff9fd602c7619f3890e9d1f638cfcd0783a410e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E02 | 5264 bytes |
font_01_sfnt_off00007fe2.binbb845da4eba0fd24903a5fa3a5ce5800c84574677a128d59c1581bc415c26b69 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FE2 | 10664 bytes |
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