Malware Insights
The PDF file was flagged as malicious by an ML classifier and contains a critical heuristic indicating it's a redirector link to known malicious infrastructure. It also exhibits characteristics of a PDF link farm, with numerous embedded URLs pointing to external resources. The primary malicious URL identified is https://ttraff.club/wix?keyword=basic+exponents+worksheets+pdf+kuta, which is likely used to lure users into downloading further malicious content or engaging in phishing activities. The presence of PRC/3D content is noted but does not directly contribute to the primary attack pattern identified.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PRC/3D content in PDF medium PDF_PRC_3DPDF contains PRC 3D content. PRC/U3D parsers have been a recurring Adobe Reader attack surface; treat as a related parser-exploit indicator rather than a specific CVE match.
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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.club/wix?keyword=basic+exponents+worksheets+pdf+kuta
- https://cdn.shopify.com/s/files/1/0430/1206/3391/files/lupukifusijisexomibatokij.pdf
- https://cdn.shopify.com/s/files/1/0435/2393/2311/files/audio_frequency_oscillator_experiment.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fovurasavelibegesixaga.pdf
- https://cdn.shopify.com/s/files/1/0437/6186/0757/files/59416769402.pdf
- https://cdn.shopify.com/s/files/1/0467/7648/3993/files/aha_acc_atrial_fibrillation_guidelines_2014.pdf
- https://cdn.shopify.com/s/files/1/0430/0659/1127/files/bavanu.pdf
- https://static.usrfiles.com/ugd/2eedf1_ff8456f35c2c47e4b016abb3c95e1221.pdf
- https://static.usrfiles.com/ugd/29c71c_3f7e7f9df9074cdd894cd9520a95ba39.pdf
- https://static.usrfiles.com/ugd/5bb01c_229c757956074500bfe8fda7dbcb5281.pdf
- https://static.usrfiles.com/ugd/2f7489_92ffe372f53f4c5faebcf6656c4c3164.pdf
- https://static.usrfiles.com/ugd/268ab1_4515bd8fbb6c43d0ad1cae9d63ea589a.pdf
- https://static.usrfiles.com/ugd/defcb2_98d19d31410048ee880d2dad439e47c7.pdf
- https://static.usrfiles.com/ugd/760101_3f6102828c294804968dcf83e9fef8c5.pdf
- https://static.usrfiles.com/ugd/b8c837_07b7e67539e94b319f124c84ebc7e973.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_off00005e4f.binb948c73daec0717ccd561ef70e0a89a6aa83eac0760b81271f5b5fe05890d249 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E4F | 5484 bytes |
font_01_sfnt_off0000710b.binad3c32919766d30e68aea7804658801eca71dc75fd374e825357c5c8e36f911f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x710B | 9864 bytes |
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