MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file exhibits characteristics of a link farm, with numerous embedded URLs. One prominent URL, 'https://ttraff.ru/wix?keyword=fairbairn+psychoanalytic+studies+of', is flagged as a malicious redirector. The ML classifier also strongly indicates maliciousness. The document body contains obfuscated text and a reference to the malicious URL, suggesting an attempt to lure users to a compromised site.
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=fairbairn+psychoanalytic+studies+of
- https://cdn.shopify.com/s/files/1/0463/0852/4194/files/renexiwiduvita.pdf
- https://cdn.shopify.com/s/files/1/0438/4486/2114/files/10999518226.pdf
- https://cdn.shopify.com/s/files/1/0434/6462/2246/files/sojaxodipuwaterikomip.pdf
- https://cdn.shopify.com/s/files/1/0428/3708/2271/files/14452575897.pdf
- https://static.usrfiles.com/ugd/b8c837_98c42a7bebad40b3bb10e7c6e3deba65.pdf
- https://static.usrfiles.com/ugd/1d64af_2d2d23b5f39c484bb9143c41b922b088.pdf
- https://static.usrfiles.com/ugd/b8c837_ba1f802286d44e0090a49df6032326b3.pdf
- https://static.usrfiles.com/ugd/b8c837_c5569e5a44254fd6b922c71d7cbc4c88.pdf
- https://static.usrfiles.com/ugd/b8c837_9f4facdf0aea4479bc4ce678d697843d.pdf
- https://static.usrfiles.com/ugd/b8c837_9e6a3929249e468a8f60bc57758d863e.pdf
- https://cdn.shopify.com/s/files/1/0433/5573/4167/files/55900947171.pdf
- https://cdn.shopify.com/s/files/1/0433/7254/4150/files/poxulagumalujumepixuti.pdf
- https://cdn.shopify.com/s/files/1/0430/4519/1841/files/39925191139.pdf
- https://cdn.shopify.com/s/files/1/0430/8706/9348/files/44777499718.pdf
- https://cdn.shopify.com/s/files/1/0459/7127/5943/files/71438287973.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_off0000f2e7.bina0890a7275752761a3d24097a03a087b04b598b9c2d953717748130ecc21ab16 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2E7 | 5440 bytes |
font_01_sfnt_off00010555.bin97fa308d0a41815b3e37713b01994c7edf1f35a31e4ffa5ac7f049092f55ea03 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10555 | 10088 bytes |
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