Malware Insights
The PDF file contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/wix?keyword=%25D8%25AC%25D8%25AF%25D9%2588%25D9%2584+%25D8%25A7%25D9%2584%25D8%25AF%25D9%2588%25D8%25B1%25D9%258A+%25D8%25A7%25D9%2584%25D8%25A3%25D9%2585%25D8%25B1%25D9%258A%25D9%2583%25D9%258A'. Additionally, the PDF was flagged for containing a link farm, suggesting an attempt to manipulate search engine results or distribute content. The ML classifier also strongly indicated maliciousness. No scripts were extracted, and the document body was unreadable binary data, so the rationale is based on the link analysis.
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/wix?keyword=%25D8%25AC%25D8%25AF%25D9%2588%25D9%2584+%25D8%25A7%25D9%2584%25D8%25AF%25D9%2588%25D8%25B1%25D9%258A+%25D8%25A7%25D9%2584%25D8%25A3%25D9%2585%25D8%25B1%25D9%258A%25D9%2583%25D9%258A
- https://static.usrfiles.com/ugd/eb5a6a_4318d961990c44ea9540783886ca5e2b.pdf
- https://static.usrfiles.com/ugd/b8c837_68e2dc9261bb40a9a60e40b5ca68ed52.pdf
- https://static.usrfiles.com/ugd/0f5b72_82fe89e587aa4d2e9605840e3296e0a4.pdf
- https://static.usrfiles.com/ugd/7ea8bb_8e1c526ad7654c16b2d80eb7fec2f148.pdf
- https://static.usrfiles.com/ugd/451461_900432f556954b6da27b597810506e58.pdf
- https://cdn.shopify.com/s/files/1/0433/7234/7550/files/wejidat.pdf
- https://cdn.shopify.com/s/files/1/0429/6517/2387/files/third_law_of_thermodynamics_download.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/39858795743.pdf
- https://static.usrfiles.com/ugd/b8c837_2e9be0217a2c438ca5ca0ecfe9722218.pdf
- https://static.usrfiles.com/ugd/b8c837_aaf9192b759d4957b97fc0fac42a4e34.pdf
- https://static.usrfiles.com/ugd/49be48_1b389ee70ddf42f3a20f2aa601f12e7a.pdf
- https://static.usrfiles.com/ugd/3e87bf_2b4aab8db858407498be06490f7111eb.pdf
- https://static.usrfiles.com/ugd/b8c837_1bead4e9c68543a59eed809cbc10e605.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_006_off000098fb.bin8986fb12dce5837bc84837f5378c3128f53cad3504dbb279baf377b6116d42fa |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x98FB | 26964 bytes |
font_00_sfnt_off00005228.bin0839d7670eb8be446f52832e8c720d0f625510ceeadeab5b1dd4203940110fb4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5228 | 4068 bytes |
font_01_sfnt_off00006006.bin541ecea5bc5fa68f20cfdbad15d58737f9c1e506d2abf3e3fa55e93fa375d05b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6006 | 17748 bytes |
font_02_sfnt_off00007b24.bin903547844575f4eb85fb1027f3df54210ce53956085ac27a90d671caacc5a512 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B24 | 8736 bytes |
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