MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains numerous embedded links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.club/wix?keyword=flower+coloring+sheets+for+preschoolers', which is flagged as a known malicious redirector. This suggests the document is a lure to direct users to a potentially harmful website. The presence of a large number of external links, many pointing to static.usrfiles.com, indicates a potential SEO poisoning or link farm strategy to improve search engine ranking for malicious content.
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.club/wix?keyword=flower+coloring+sheets+for+preschoolers
- https://static.usrfiles.com/ugd/69b86f_5524f779032c482f9be84aa65076a79b.pdf
- https://static.usrfiles.com/ugd/8e66a5_c1581993f0084f6592a78ca349f45289.pdf
- https://static.usrfiles.com/ugd/7c3584_3fb4f63d92af40588ce8f4e45ceacd6e.pdf
- https://static.usrfiles.com/ugd/3402b1_6ef8c6e55e3b4f268cbd6392ba33ef0c.pdf
- https://static.usrfiles.com/ugd/b65acf_d071896e1b784e9aada461bf37a6bfda.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/33374625424.pdf
- https://cdn.shopify.com/s/files/1/0433/2758/6457/files/historia_del_cristianismo_primitivo.pdf
- https://cdn.shopify.com/s/files/1/0429/1847/7987/files/wonatibo.pdf
- https://cdn.shopify.com/s/files/1/0433/0350/1989/files/risivunixa.pdf
- https://cdn.shopify.com/s/files/1/0430/6350/9146/files/42819665487.pdf
- https://cdn.shopify.com/s/files/1/0435/8206/2753/files/70079016949.pdf
- https://static.usrfiles.com/ugd/e1d12c_2d70fd52b33f4944979dba1b6b07098d.pdf
- https://static.usrfiles.com/ugd/5dc3ca_b13f888995e342718c2da75c379f1595.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_off0000752a.binc580d5f32539e3d263be3b6bf3f353d5ed3e28714183a6d4e24d9322404c2feb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x752A | 5112 bytes |
font_01_sfnt_off000086ad.binb346945f3cc98818fa22c47aac8b7e35a39d4ef25740d6ca83bd19b69ca3e238 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86AD | 10216 bytes |
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