MALICIOUS
158
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded JavaScript and numerous links, with one critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though partially corrupted, contains text related to 'Almanach 2020 pdf' and a URL that appears to be a lure. The embedded JavaScript and the presence of multiple external links suggest an attempt to redirect the user to malicious sites, likely for further exploitation or phishing. The ML classifier strongly supports the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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 JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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/pify?keyword=almanach+2020+pdf
- http://files.smithsolarlab.com/uploads/1/3/1/3/131381605/71b6ebe93d39.pdf
- http://mosupod.newtonhillckd.co.uk/uploads/1/3/1/6/131636725/gijusitixo.pdf
- http://files.chenowethbairddesign.com/uploads/1/3/1/8/131871894/kawal_fudomur.pdf
- http://files.rockymountainjackpotshowseries.com/uploads/1/3/1/0/131070112/da88b34310b9.pdf
- https://cdn.shopify.com/s/files/1/0428/8076/2023/files/95432261788.pdf
- https://cdn.shopify.com/s/files/1/0432/8659/3694/files/xusabape.pdf
- https://cdn.shopify.com/s/files/1/0430/3945/7431/files/operatoria_dental_barrancos_4ta_edicion.pdf
- https://cdn.shopify.com/s/files/1/0437/2129/3974/files/18654255388.pdf
- https://cdn.shopify.com/s/files/1/0429/7788/6367/files/tebemokerumapi.pdf
- https://cdn.shopify.com/s/files/1/0434/1320/9246/files/boposi.pdf
- https://cdn.shopify.com/s/files/1/0432/3049/4878/files/67573518990.pdf
- https://cdn.shopify.com/s/files/1/0428/8043/4342/files/23260162716.pdf
- https://cdn.shopify.com/s/files/1/0429/0147/1388/files/9502687915.pdf
- https://cdn.shopify.com/s/files/1/0432/9802/9733/files/63163838944.pdf
- https://cdn.shopify.com/s/files/1/0433/7811/4727/files/86119307176.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_off00004af0.bin5ae3774d3e0192bd92275fc30f01d73947f4b7f610510ad0368ab79747bb4b4e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4AF0 | 5384 bytes |
font_01_sfnt_off00005d1e.bina3a75c7a83bc827f84910ffec170aae5e229473e5f50e18e7d6a92fdf0b2f04c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D1E | 10588 bytes |
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