MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains numerous links to external websites, with a primary link to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool often used to create malicious PDFs. The presence of a link farm and a malicious redirector suggests the intent is to drive traffic to malicious infrastructure, likely for further exploitation or phishing.
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=cardiovascular+system+histology+pdf
- http://files.superiorvisionaryevents.com/uploads/1/3/1/4/131452958/2838066.pdf
- http://files.toodarkmotorsports.com/uploads/1/3/0/7/130776002/jujisetenuwod-dujujawizifoj-fulatete-tivuke.pdf
- http://files.jointheteam.saintleoresidencelife.com/uploads/1/3/1/3/131380850/11ffe2a07f9954f.pdf
- http://files.unfiltered-anastasia.com/uploads/1/3/1/4/131453633/6563354.pdf
- http://files.jointheteam.saint
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/ganisififado.pdf
- https://cdn.shopify.com/s/files/1/0436/8970/5625/files/71403624103.pdf
- https://cdn.shopify.com/s/files/1/0428/6893/2767/files/98666483428.pdf
- https://cdn.shopify.com/s/files/1/0429/8378/4601/files/46073883477.pdf
- https://cdn.shopify.com/s/files/1/0432/7122/5502/files/ribuwamavomeziwezovob.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/96704933611.pdf
- https://cdn.shopify.com/s/files/1/0432/1270/1854/files/wizebipuwoto.pdf
- https://cdn.shopify.com/s/files/1/0428/5949/5590/files/rulepugixibesilo.pdf
- https://cdn.shopify.com/s/files/1/0427/4244/8295/files/5058205789.pdf
- https://cdn.shopify.com/s/files/1/0431/1446/3394/files/mufoji.pdf
- https://cdn.shopify.com/s/files/1/0437/4872/0789/files/fekozotalawekiwad.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/16494210232.pdf
- https://cdn.shopify.com/s/files/1/0433/5117/9416/files/dezobutaximobevizirarotet.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_off00008dfd.bin3fd087db3d3bbb6670948e3240d0054ff04414526dec5967b18031e41c3e7be1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8DFD | 5528 bytes |
font_01_sfnt_off0000a0e0.bine93e3edd63b3753bd5ca782d54c36434906a12e8682a0e7f7db6960623ecd9d2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA0E0 | 9916 bytes |
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