MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with a critical heuristic identifying a link to a known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=cell+organelle+function+quiz+pdf'. Another heuristic indicates a PDF link farm, suggesting an attempt to manipulate search engine results or distribute malicious content. The ML classifier strongly supports the malicious nature of this PDF. The document body, though heavily obfuscated, contains the malicious URL and other benign-looking URLs, likely as part of a lure.
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=cell+organelle+function+quiz+pdf
- http://xofafiraf.3lasadu.com/uploads/1/3/1/0/131069934/8364785.pdf
- http://files.thrivelakecounty.org/uploads/1/3/0/7/130740050/genefusedej-totamovagos-jejowitopovofi.pdf
- http://files.kpuhra.com/uploads/1/3/0/7/130775853/reretipowogatus.pdf
- https://cdn.shopify.com/s/files/1/0437/8735/4270/files/the_assassination_of_jesse_james.pdf
- https://cdn.shopify.com/s/files/1/0432/5729/9097/files/lidofaved.pdf
- https://cdn.shopify.com/s/files/1/0431/1498/7674/files/1148645220.pdf
- https://cdn.shopify.com/s/files/1/0432/2571/0756/files/zomopigepoxewasezinuvapox.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/14985018959.pdf
- https://cdn.shopify.com/s/files/1/0440/6142/5814/files/league_of_legends_logs.pdf
- https://cdn.shopify.com/s/files/1/0431/4329/9232/files/22698748880.pdf
- https://cdn.shopify.com/s/files/1/0431/4116/9303/files/batamotavipinorak.pdf
- https://cdn.shopify.com/s/files/1/0438/9535/7595/files/wenifomapirilutifamidiza.pdf
- https://cdn.shopify.com/s/files/1/0430/3562/3578/files/mabizitidijarufoluwudin.pdf
- https://cdn.shopify.com/s/files/1/0434/0645/9029/files/52566958319.pdf
- https://cdn.shopify.com/s/files/1/0433/9613/7111/files/aspersoras_agricolas.pdf
- https://cdn.shopify.com/s/files/1/0436/6372/0613/files/hernia_inguinalis_adalah.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_off00004ac0.binf5a951d595c8c3643f118a60f93a04240b0195529ccf2bb73ad60477939bd6ba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4AC0 | 5224 bytes |
font_01_sfnt_off00005c95.binea4c5437392b1641e6dd43eaad82a1c9f527a482ba3498614d5c26617e962da0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C95 | 9848 bytes |
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