MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. The document body, though heavily obfuscated, appears to be a lure related to a 'fluid mechanics book pdf'. The presence of numerous external links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to drive traffic to malicious sites. The ML classifier also strongly indicated maliciousness.
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.com/wb?keyword=fluid%20mechanics%20book%20pdf%20by%20rk%20rajput
- http://files.sexualwellnessinstitute.com/uploads/1/3/1/3/131383821/loxebotebare.pdf
- http://files.thesilkfamilyproject.com/uploads/1/3/1/4/131437740/livig.pdf
- http://files.one5collective.com/uploads/1/3/1/8/131857270/sisepapojigiben-wufaveput-felusul.pdf
- https://cdn.shopify.com/s/files/1/0431/8186/7176/files/31233646794.pdf
- https://cdn.shopify.com/s/files/1/0437/9744/6818/files/86620056508.pdf
- https://cdn.shopify.com/s/files/1/0433/3004/4062/files/vurigesoruki.pdf
- https://cdn.shopify.com/s/files/1/0431/4716/5850/files/5705574669.pdf
- https://cdn.shopify.com/s/files/1/0438/3798/0834/files/fotukenekijove.pdf
- https://cdn.shopify.com/s/files/1/0431/4333/2000/files/66075660577.pdf
- https://cdn.shopify.com/s/files/1/0435/6849/6798/files/42689268870.pdf
- https://cdn.shopify.com/s/files/1/0431/6990/6852/files/29277218522.pdf
- https://cdn.shopify.com/s/files/1/0429/6730/2295/files/vinutexiv.pdf
- https://cdn.shopify.com/s/files/1/0429/1713/4502/files/gezesifogoxuxoremezim.pdf
- https://cdn.shopify.com/s/files/1/0433/2008/2590/files/boxomixugok.pdf
- https://cdn.shopify.com/s/files/1/0434/6544/1430/files/pedogana.pdf
- https://cdn.shopify.com/s/files/1/0434/4777/9478/files/5757402137.pdf
- https://cdn.shopify.com/s/files/1/0431/6410/6901/files/66671350995.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/
- https://cdn.shopify.com/s/files/
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006962.bin14d62bb451e256cb7213c4f4219fc5f25888c8dd9094b0a9523ba2124a583aed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6962 | 5612 bytes |
font_01_sfnt_off00007c3e.bin33d80b5e357abfa3ea91f5eff18928953f8e36d8e9a7aea158c838e8ae756dd9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C3E | 2116 bytes |
font_02_sfnt_off00008608.bin7d726e7f5da2bf774fa91e6fc9b97de81b69742162cfd9fae5e33c617ef01efd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8608 | 15008 bytes |
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