MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to external PDFs hosted on various domains. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is likely the primary malicious payload delivery mechanism. The document body contains garbled text but also includes the target URL, suggesting it's part of a lure. The ML classifier strongly supports the malicious nature of this PDF.
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.cc/pify?keyword=kendo+ui+mvc+grid+clienttemplate+dropdownlist
- https://static.usrfiles.com/ugd/b8c837_8fa69218529147fcae3f294073b34b4a.pdf
- https://static.usrfiles.com/ugd/917232_4108a8d800a246278322604cda403f29.pdf
- https://static.usrfiles.com/ugd/fd3290_f846e3abe764430dba84efbd89624e99.pdf
- https://static.usrfiles.com/ugd/b8c837_2b14eb682f704021adc5dfbf9910e8c5.pdf
- https://static.usrfiles.com/ugd/b8c837_897adf9c4edd4691803fa37a7a654b2c.pdf
- https://cdn.shopify.com/s/files/1/0429/9866/1279/files/95171244582.pdf
- https://cdn.shopify.com/s/files/1/0439/6033/6542/files/nelson_mandela_books.pdf
- https://cdn.shopify.com/s/files/1/0432/2980/6759/files/lanyard_id_card_template.pdf
- https://cdn.shopify.com/s/files/1/0447/2619/0234/files/branches_of_artificial_intelligence.pdf
- https://cdn.shopify.com/s/files/1/0432/4235/6904/files/zugezupok.pdf
- https://cdn.shopify.com/s/files/1/0433/5425/9606/files/72697251113.pdf
- https://cdn.shopify.com/s/files/1/0448/6466/7810/files/6_week_old_kitten_feeding_guide.pdf
- https://cdn.shopify.com/s/files/1/0432/0677/0849/files/9909775650.pdf
- https://cdn.shopify.com/s/files/1/0428/9868/6119/files/mark_twain_the_celebrated_jumping_frog_of_calaveras_county.pdf
- https://cdn.shopify.com/s/files/1/0431/4647/7722/files/17918065164.pdf
- https://static.usrfiles.com/ugd/a18aa6_63d6d71f569f4661bc88383949d22336.pdf
- https://static.usrfiles.com/ugd/e4ff69_204c14fbef06483796cec54ed10c0e0a.pdf
- https://static.usrfiles.com/ugd/3f80ec_2d6e35ac984f4fff876b6a424f2b304a.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_off00007975.bine08ef121daa5315e5375f258d8bad621f86f4265e0f4448e62065ee2ce6e94e5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7975 | 5512 bytes |
font_01_sfnt_off00008c37.bin5c72a55ab4ee6c26c047bad64f2da990130914404876ad307290bca5f5ecbf01 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C37 | 12820 bytes |
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