MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that point to known malicious redirector infrastructure, specifically 'ttraff.ru'. The document body, though heavily obfuscated, contains a reference to the same URL, suggesting an attempt to disguise malicious activity as legitimate content. 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=passive+voice+grammar
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_f9e1d09f19614707b9afe083cfef4409.pdf
- https://static.usrfiles.com/ugd/2e4eb4_2476cc5bdc6c4dbeb18f784fc514abdf.pdf
- https://static.usrfiles.com/ugd/d7ba0f_e7e870cfa7364c239d90eeac16ff04cb.pdf
- https://cdn.shopify.com/s/files/1/0435/5329/2440/files/kissanime_comments_not_loading.pdf
- https://cdn.shopify.com/s/files/1/0433/4754/2165/files/joxitasadugokokonigavim.pdf
- https://cdn.shopify.com/s/files/1/0434/1999/2222/files/danakiwowufexipilujezakaz.pdf
- https://cdn.shopify.com/s/files/1/0433/5802/7928/files/sewaxi.pdf
- https://static.usrfiles.com/ugd/b8c837_3c8b5291c90d4cd3ae4ba29955c5d416.pdf
- https://static.usrfiles.com/ugd/221f3a_8b3bed9b455348c69728f18027ca2f75.pdf
- https://static.usrfiles.com/ugd/b8c837_fc9fbe74a5f4431db8ba452051342171.pdf
- https://static.usrfiles.com/ugd/cac9e4_21b58dbe0adc4f64a303b0ce0da29549.pdf
- https://static.usrfiles.com/ugd/e2c6c1_a2fb47f313414515b2dad947b7181e8a.pdf
- https://static.usrfiles.com/ugd/b8c837_79d62f8333df476db4b78d181843641c.pdf
- https://static.usrfiles.com/ugd/10e3af_996905aca2c14d5a88a2731a427cfd5b.pdf
- https://static.usrfiles.com/ugd/b8c837_9e6a3929249e468a8f60bc57758d863e.pdf
- https://static.usrfiles.com/ugd/48d9a1_d01cd8a1480c46e5b96b73c2d2533433.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_off00009555.bind0dde05653ad8510585251ade8b38570a26d246f2d69b0e94be15473507d5fa9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9555 | 5148 bytes |
font_01_sfnt_off0000a6c6.bin428452d807ce895124909ebac0ae3f4a11bbbe188c8d1b868675f34f6a3a9187 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA6C6 | 10636 bytes |
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