MALICIOUS
122
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains multiple embedded URLs, with one identified as a known malicious redirector. The document body, though heavily obfuscated, also contains URLs that likely serve as lures or further redirection points. The primary malicious activity observed is the redirection to the URL https://cctraff.ru/strik?keyword=cartas+a+una+joven+matematica+descargar, which is indicative of a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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 is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://cctraff.ru/strik?keyword=cartas+a+una+joven+matematica+descargar In PDF document text
- https://site-1040990.mozfiles.com/files/1040990/bopudawure.pdfIn PDF document text
- https://site-1039414.mozfiles.com/files/1039414/41685011468.pdfIn PDF document text
- https://site-1036630.mozfiles.com/files/1036630/pijusetotuzene.pdfIn PDF document text
- https://site-1037135.mozfiles.com/files/1037135/fejenikazejorelopuva.pdfIn PDF document text
- https://site-1040665.mozfiles.com/files/1040665/13904982685.pdfIn PDF document text
- https://site-1040681.mozfiles.com/files/1040681/62239017708.pdfIn PDF document text
- https://site-1039725.mozfiles.com/files/1039725/1613726194.pdfIn PDF document text
- https://site-1040312.mozfiles.com/files/1040312/kukokipixejavasub.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/436294a2-cc0a-46e1-8a4d-d0203e140391/gegalazef.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9e8e4a58-6144-4153-bfab-9efab0206b38/90797110866.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b322a9c6-5b3e-44dd-9736-0cd69b7c288d/vojirujotu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f545c538-3123-41ff-9999-ec13a6304266/nugebof.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/014821c0-0287-4167-8bab-96f08b95227b/43508875712.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b5226c9f-d996-4071-81e5-806013823154/mepuboz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/576f8218-0664-4c5d-a956-152530f9e19e/5596068097.pdfIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004f96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4F96 | 5268 bytes |
SHA-256: f8123765158748e78fcc5f564f2854fabf958277361a9400a4a1de34b4bc100c |
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