MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.com, which is designed to lure users to malicious content. The document body, though heavily obfuscated, appears to contain the same URL and references a PDF related to fluid mechanics, likely as a lure. The ML classifier strongly flagged this PDF as malicious. No scripts were extracted from this sample.
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=a%20text%20book%20of%20fluid%20mechanics%20and%20hydraulic%20machines%20pdf
- http://guduruz.calvarygo.org/uploads/1/3/1/8/131856917/xojedejoxem-puboxivenudi.pdf
- http://neres.acutabovelawncare.org/uploads/1/3/2/6/132695535/giladafamuso-gafuxolunewinu-zupofavitot.pdf
- http://files.redsquirrelconservation.ca/uploads/1/3/2/8/132814030/1166259.pdf
- http://files.richbrownies.com/uploads/1/3/1/4/131483830/424c10c8ec51a.pdf
- http://xazib.thegreatwines.com/uploads/1/3/2/6/132682883/dajamofadepa-zosuliji.pdf
- https://cdn.shopify.com/s/files/1/0431/3609/0267/files/84903582282.pdf
- https://cdn.shopify.com/s/files/1/0431/5706/1788/files/25144614954.pdf
- https://cdn.shopify.com/s/files/1/0429/9830/0823/files/vagujowupemalazufoze.pdf
- https://cdn.shopify.com/s/files/1/0434/5744/6038/files/mutuwejadimivip.pdf
- https://cdn.shopify.com/s/files/1/0428/9203/4211/files/na_k_atpase_pump.pdf
- https://cdn.shopify.com/s/files/1/0433/6992/2714/files/togujo.pdf
- https://cdn.shopify.com/s/files/1/0430/5272/8474/files/95189922392.pdf
- https://cdn.shopify.com/s/files/1/0431/6459/8434/files/sulud.pdf
- https://cdn.shopify.com/s/files/1/0428/7247/1715/files/classical_waterfall_model.pdf
- https://cdn.shopify.com/s/files/1/0432/9691/5621/files/20206098106.pdf
- https://cdn.shopify.com/s/files/1/0433/3315/7014/files/kotazijuzepubovi.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_off00005d70.bin8871d6e4d20d9557d75e8a552cde8a3a94617306a6f75b271244bb50a5c36697 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D70 | 5760 bytes |
font_01_sfnt_off000070df.bin49f1c345582212729590e0456707ca92d3838aef8cba26fbcaa28f8c5b0a0640 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70DF | 2116 bytes |
font_02_sfnt_off00007aaa.bin536a0570aaed3ba84be9011337d1092349c473af2e4cb0ac51adf072cb727dda |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AAA | 14504 bytes |
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