MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.ru'. The document body, though heavily obfuscated, contains the same URL and references 'Don Juan Tenorio', likely a lure. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many pointing to Shopify domains, suggesting an attempt to obscure the malicious destination. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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/pify?keyword=don+juan+tenorio+pdf+cervantes+virtual
- http://files.northcrawfordplayhouse.com/uploads/1/3/1/4/131452861/rozuwonapegazono.pdf
- http://files.eleanorknott.com/uploads/1/3/0/9/130969751/8181712.pdf
- http://nuxefun.typea-wesome.com/uploads/1/3/2/7/132710712/a53137d3ed.pdf
- http://files.meadowlodgebiblecamp.org/uploads/1/3/1/1/131163736/bifejaxalomubur_toxozizagug.pdf
- http://files.frauhoeckner.com/uploads/1/3/1/3/131379111/xejiresagisi-kivakubikud-tutuxazux-dufimegesobijut.pdf
- https://cdn.shopify.com/s/files/1/0436/1430/6467/files/56000995072.pdf
- https://cdn.shopify.com/s/files/1/0433/7300/2902/files/nelurisuwixetifokinevek.pdf
- https://cdn.shopify.com/s/files/1/0434/8330/0005/files/tafejukibovurezorapod.pdf
- https://cdn.shopify.com/s/files/1/0432/3603/2680/files/51634248875.pdf
- https://cdn.shopify.com/s/files/1/0433/6680/9765/files/android_auto_stereo_nz.pdf
- https://cdn.shopify.com/s/files/1/0433/9315/5235/files/dajenuwedudi.pdf
- https://cdn.shopify.com/s/files/1/0432/4678/0566/files/58058377749.pdf
- https://cdn.shopify.com/s/files/1/0429/0406/0071/files/area_and_perimeter_of_square_and_rectangle_formula.pdf
- https://cdn.shopify.com/s/files/1/0440/6919/1832/files/mepesebubixawewuwivameg.pdf
- https://cdn.shopify.com/s/files/1/0430/5721/7693/files/perufise.pdf
- https://cdn.shopify.com/s/files/1/0432/6411/4843/files/trigonometry_cheat_sheet.pdf
- https://cdn.shopify.com/s/files/1/0433/6517/1354/files/23550059158.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_off0000c3b6.binae2f61914ad06d1ffcef6c7df39c190f0982f61f3986677994d0f898b8bc95c6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3B6 | 5284 bytes |
font_01_sfnt_off0000d5d1.bind48d9db7736821fed650f16c2588db2e8b2e6ba273abbc1fbc9c91b6fa4ed57c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5D1 | 10088 bytes |
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