MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The PDF was flagged as malicious by an ML classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. It also exhibits a PDF link farm pattern, with numerous embedded URLs, many pointing to external PDF files hosted on platforms like Shopify. The primary malicious URL identified is https://ttraff.ru/wix?keyword=les+pronoms+cod+coi, which is likely used to redirect users to malicious content. The document body itself is heavily obfuscated and contains embedded URLs, further supporting the malicious intent.
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.ru/wix?keyword=les+pronoms+cod+coi
- https://cdn.shopify.com/s/files/1/0428/7240/6179/files/boxumagajirozox.pdf
- https://cdn.shopify.com/s/files/1/0435/7505/0395/files/juxakiwojebufigugiwizose.pdf
- https://cdn.shopify.com/s/files/1/0462/3810/5749/files/34679967559.pdf
- https://static.usrfiles.com/ugd/e73fea_418445926ae24eb3b776fa43c1fcde02.pdf
- https://static.usrfiles.com/ugd/b8c837_f6dc46405b074502859cef609ce0d915.pdf
- https://cdn.shopify.com/s/files/1/0439/4693/4430/files/lean_canvas_business_model_guide.pdf
- https://cdn.shopify.com/s/files/1/0439/8258/6014/files/vimusosoxunenaruwujozewi.pdf
- https://cdn.shopify.com/s/files/1/0437/5409/4753/files/muxikokajulelilara.pdf
- https://static.usrfiles.com/ugd/10e3af_de997dc399a4406b9ebdce59ad7ebec6.pdf
- https://static.usrfiles.com/ugd/b8c837_54a8aafbb542419fa5888ecb6c672759.pdf
- https://static.usrfiles.com/ugd/e73fea_14ee78f0db8746c68a511193287345b8.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_off000060c2.bine1c630720e97e8887318905cede8b020807c1eafb3ae32cb838b0ec01fecc196 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60C2 | 4920 bytes |
font_01_sfnt_off00007168.bin236226146ca2c60ccf28b50defe35cbfbb2e627a314c2fb135434cf601ff4174 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7168 | 11560 bytes |
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