MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of external links, many of which point to a redirector service. The primary malicious link, 'https://ttraff.ru/pify?keyword=substitution+and+ellipsis+exercises+pdf', is designed to lure users into clicking by appearing as an academic resource. The ML classifier strongly indicates maliciousness, and the overall structure suggests a link-farming or redirection-based attack. 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.ru/pify?keyword=substitution+and+ellipsis+exercises+pdf
- http://files.rohinibc.com/uploads/1/3/2/6/132681343/sawodorazumorup.pdf
- http://rukubared.spiranto.com/uploads/1/3/0/9/130969772/vamibog_tezani_nogikoxoxorokur.pdf
- http://files.massagetherapyvt.com/uploads/1/3/1/4/131406811/8f943c48e73.pdf
- http://files.acaringcommunity.com/uploads/1/3/0/7/130776655/vazapis_lasilev_gexasapujuf.pdf
- http://files.nacinformation.com/uploads/1/3/1/3/131398250/xupisujiloxuvi-dusadibitiwiv-rikabuk.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lekutaxawiwasutoxojopelor.pdf
- https://cdn.shopify.com/s/files/1/0440/7151/8373/files/85152381138.pdf
- https://cdn.shopify.com/s/files/1/0434/5433/3093/files/50361150172.pdf
- https://cdn.shopify.com/s/files/1/0440/2393/9237/files/51670319319.pdf
- https://cdn.shopify.com/s/files/1/0439/4863/8363/files/44086979232.pdf
- https://cdn.shopify.com/s/files/1/0432/6208/3232/files/sazexetimenujawot.pdf
- https://cdn.shopify.com/s/files/1/0431/4942/6839/files/21896798968.pdf
- https://cdn.shopify.com/s/files/1/0438/8447/8632/files/7733521531.pdf
- https://cdn.shopify.com/s/files/1/0437/4809/8209/files/tokafowojosekolupubukade.pdf
- https://cdn.shopify.com/s/files/1/0429/9338/5633/files/muxitagedanizogotus.pdf
- https://cdn.shopify.com/s/files/1/0433/0507/4838/files/vojuratetimapajenuj.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_off0000c443.bin06737331b2d522b0127a6210849cc7b39d0768340c588bde07cb6d07ebea6715 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC443 | 5460 bytes |
font_01_sfnt_off0000d6e0.bin4fed33efc1732af58de7e1c7a5d20713f54e0ca2309a2389f36e772a6f49bd76 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6E0 | 14068 bytes |
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