Malware Insights
The PDF file was flagged as malicious by a machine learning classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. It also exhibits characteristics of a PDF link farm, with numerous external links, many pointing to static.usrfiles.com. The primary malicious URL identified is https://ttraff.com/wix?keyword=rios+de+color+purpura+online+latino, which is likely used to lure victims. No scripts were extracted, and the document body is heavily obfuscated, but the presence of the malicious redirector link is sufficient evidence of malicious intent.
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.com/wix?keyword=rios+de+color+purpura+online+latino
- https://static.usrfiles.com/ugd/b8c837_16b52d1e7e444b0396e282047c1fca6e.pdf
- https://static.usrfiles.com/ugd/b8c837_20e39a787be1497a9b1ff2e3c267bea5.pdf
- https://static.usrfiles.com/ugd/98857b_e07a9ad771d64ff793c74b45338eacb3.pdf
- https://static.usrfiles.com/ugd/a382ee_5ad4f5c8de4b4eecb41a55fec9c3d8fe.pdf
- https://static.usrfiles.com/ugd/b8c837_42abedbd3aa24c739f32acb233cf64e8.pdf
- https://static.usrfiles.com/ugd/3ab5ed_aeca7ff3352340769a71340b8595be72.pdf
- https://static.usrfiles.com/ugd/97634b_a247819d0f8f44499fa671925186e02e.pdf
- https://static.usrfiles.com/ugd/225520_4593e4bad5d14179b3179379aa60a33b.pdf
- https://static.usrfiles.com/ugd/0789d5_95b96d5c6f234019b050c3e5beb4f903.pdf
- https://static.usrfiles.com/ugd/b8c837_1d29f84383674b1c9f043a0dd805f1cf.pdf
- https://static.usrfiles.com/ugd/b8c837_00f12b5f256a46199567452546e0d61c.pdf
- https://static.usrfiles.com/ugd/9e14ca_19e4f8cbcf4c48338b90836557bfe545.pdf
- https://cdn.shopify.com/s/files/1/0430/9365/5716/files/23585857464.pdf
- https://cdn.shopify.com/s/files/1/0437/9131/9200/files/tuxile.pdf
- https://cdn.shopify.com/s/files/1/0435/6934/8763/files/fufofajojakuguxegulaxigu.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005ee1.bin09d0e8cc84d5cf49538c22e84829236ade0414db06b635de73fabc531c5a5198 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EE1 | 4692 bytes |
font_01_sfnt_off00006f70.bina944cd62b4738d5135cab0b23fc3cd7882f63289e413d4925291d8c779906976 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F70 | 5072 bytes |
font_02_sfnt_off000080be.bin47819eb824c5f4633dc48d153ccb3f2ccc6c09c3d86bd913dbd148ed2f552786 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80BE | 10076 bytes |
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