MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by a machine learning classifier as malicious and contains numerous embedded links. One of these links, `https://ttraff.com/wix?keyword=thesis+about+teaching+strategies+in+mathematics+pdf`, points to known malicious redirector infrastructure. The document body, though heavily obfuscated, appears to contain SEO-related keywords and the malicious URL, suggesting a lure to drive traffic to malicious sites.
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.com/wix?keyword=thesis+about+teaching+strategies+in+mathematics+pdf
- https://cdn.shopify.com/s/files/1/0449/3407/0440/files/namav.pdf
- https://cdn.shopify.com/s/files/1/0436/2692/2146/files/cistellaria_plauto.pdf
- https://cdn.shopify.com/s/files/1/0428/1293/2255/files/kamivisope.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wizivudid.pdf
- https://static.usrfiles.com/ugd/b8c837_28a9738e42ed40d7a2144618ada34151.pdf
- https://cdn.shopify.com/s/files/1/0431/8865/0142/files/analisi_logica_esercizi.pdf
- https://cdn.shopify.com/s/files/1/0440/1473/1414/files/remesexefunuka.pdf
- https://cdn.shopify.com/s/files/1/0434/0079/0170/files/26080157224.pdf
- https://cdn.shopify.com/s/files/1/0459/7334/0320/files/noremurusigudavunajig.pdf
- https://cdn.shopify.com/s/files/1/0440/8839/3893/files/45702004588.pdf
- https://static.usrfiles.com/ugd/b8c837_f46c139bdfcd41d4b65fa8e75fc6a16c.pdf
- https://static.usrfiles.com/ugd/7dd30d_db79e4b0fc8d4951ab0fe94d59fa19b9.pdf
- https://static.usrfiles.com/ugd/576447_a9a444fd9ec54439aab3eccacd6d2a0f.pdf
- https://static.usrfiles.com/ugd/b8c837_34660902ac7545cfbb8a3f9c8db5ca92.pdf
- https://static.usrfiles.com/ugd/b8c837_29692869cf324ca78c9d3388ca0ca43f.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_off0000688e.binf02e4e6e2fa36cbabfb4c76e8bd03f42145d5a756a4b314b83551c6faeed6d45 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x688E | 5624 bytes |
font_01_sfnt_off00007b73.binb819ffdc250140aa6988b3e4701bfa1a42d2576edd3487cfe0ea78910b59d766 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B73 | 10580 bytes |
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