MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of external links, many of which point to a redirector service. The primary malicious URL identified is ttraff.com, which is flagged as a malicious redirector. The document body, though heavily obfuscated, contains references to the same malicious URL, suggesting an attempt to disguise its true purpose as a link farm for administrative resources.
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=brocade+network+os+administrator%25E2%2580%2599+s
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/3b7182_7051b05ef31b4cc48d20e92e73c694f1.pdf
- https://static.usrfiles.com/ugd/784815_0a92b25231564277aee4492913e21801.pdf
- https://static.usrfiles.com/ugd/02beb7_cca6f8f659d84878b7c5fb7a3823384b.pdf
- https://cdn.shopify.com/s/files/1/0434/0570/5374/files/thrombophlebitis_treatment_guidelines.pdf
- https://static.usrfiles.com/ugd/f459ea_3650d9f47bf741afbff8612966546c33.pdf
- https://static.usrfiles.com/ugd/b8c837_547b6c285d3e4beda19b1578de8cca8a.pdf
- https://static.usrfiles.com/ugd/b8c837_afc8f188e4a548d1bacb7fcad7aeffd4.pdf
- https://static.usrfiles.com/ugd/b8c837_cb50bacf17c14657b6e81bba35c5b07a.pdf
- https://static.usrfiles.com/ugd/432b07_366ce52f245d4f599f0690521d79c124.pdf
- https://static.usrfiles.com/ugd/2ac701_25224fe7c3e0406c877fba83f4d06d69.pdf
- https://static.usrfiles.com/ugd/3b47cb_2e1928773f464d4fba668f03436c0abb.pdf
- https://static.usrfiles.com/ugd/b8c837_7edd44ac085d4c6fa20bd1fb0a4a616f.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
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007dca.bin861791917e499d0d9e3b6abf6885ccc80294210118de9ba79ca04821b563c3a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DCA | 5308 bytes |
font_01_sfnt_off00008fdd.bind09943672d711c0154d332fa386b67be1d85c307ae25477c79c58158c061bcd0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8FDD | 10684 bytes |
font_02_sfnt_off0000b459.bin16841cd06245dfab0499788473f9c5e49459ecbf5940b4b59b8708d0fa28d68c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB459 | 16196 bytes |
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