MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. This link, 'https://ttraff.ru/pify?keyword=quotations+from+chairman+mao+tse+tung+pdf+download', is designed to trick users into downloading further malicious content. The PDF also contains a link farm heuristic, indicating a large number of external links, some of which point to potentially malicious domains. The ML classifier also strongly flagged this PDF as malicious.
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/pify?keyword=quotations+from+chairman+mao+tse+tung+pdf+download
- http://gafozoxi.luebtowj.com/uploads/1/3/1/4/131438641/d8e50d69b98096a.pdf
- http://files.prolyticsconsulting.com/uploads/1/3/1/1/131163687/8629519.pdf
- http://files.comfortexperts.net/uploads/1/3/2/6/132682802/povabug-lorumos-koxasodosoduri.pdf
- https://cdn.shopify.com/s/files/1/0431/3802/3592/files/periodontal_disease_diagnosis.pdf
- https://cdn.shopify.com/s/files/1/0434/1586/3447/files/61587599973.pdf
- https://cdn.shopify.com/s/files/1/0433/8748/6358/files/jisoguvasu.pdf
- https://cdn.shopify.com/s/files/1/0435/7075/7795/files/sunglasses_emoji_meme.pdf
- https://cdn.shopify.com/s/files/1/0431/5552/1695/files/essential_words_for_the_ielts_with_downloadable_audio.pdf
- https://cdn.shopify.com/s/files/1/0430/4253/7629/files/70685624887.pdf
- https://cdn.shopify.com/s/files/1/0434/1006/3527/files/niwetopo.pdf
- https://cdn.shopify.com/s/files/1/0440/6021/3398/files/91403893782.pdf
- https://cdn.shopify.com/s/files/1/0430/7389/6602/files/pozilelobuto.pdf
- https://cdn.shopify.com/s/files/1/0434/5564/3813/files/12385351601.pdf
- https://cdn.shopify.com/s/files/1/0433/4285/6344/files/bokifi.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_off00008ac1.bin9a584da15e7e116e6456d78a2402a4012b4308024aa6dc8d9f5d6a23ac8da5a2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8AC1 | 12032 bytes |
font_01_sfnt_off0000b1fb.binbcfe54e5b9f1e61d0b75cdf2c909200e336581eca7e1c11afd5a9ee5db77a9ee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1FB | 5724 bytes |
font_02_sfnt_off0000c564.bin6b0aad742774d6c9baa1e6e61fa0eda8acdfd86c422d0c105214da0fdb7c0ae3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC564 | 11052 bytes |
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