MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The document body, though heavily obfuscated, suggests a lure related to 'Austrias mayores resumen'. The presence of numerous embedded URLs pointing to various domains, many of which are structured as webform downloads, indicates a link farm designed to redirect users to potentially malicious content. No scripts were extracted, but the overall structure and heuristic firings strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9677
Heuristics 4
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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External URI info PDF_URIPDF contains an external URL action
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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://europa-ts.ru/sites/default/files/webform/totikejeropisatuzubafaba.pdf In PDF document text
- https://ambrose.edu/sites/default/files/webform/9027254294.pdfIn PDF document text
- https://aboss.by/sites/default/files/webform/80384466065.pdfIn PDF document text
- http://oaklandchildcare.org/sites/default/files/webform/dakorudi.pdfIn PDF document text
- https://aboss.by/sites/default/files/webform/32639212941.pdfIn PDF document text
- https://www.telluridescience.org/sites/default/files/tstc-applications/90077644064.pdfIn PDF document text
- http://cicatsalud.com/html/sites/default/files/webform/99368311749.pdfIn PDF document text
- https://www.a1touchsolution.nl/sites/default/files/51131620028.pdfIn PDF document text
- https://ambrose.edu/sites/default/files/webform/82598578892.pdfIn PDF document text
- http://www.guninetwork.org/system/files/webform/heirri_proposals/38059385999.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=austrias+mayores+resumenPDF link annotation
- https://ubmemeaensoprod.s3.amazonaws.com/ifsec_international/call_for_papers/2021/03/wutiladerotegedubel.pdfIn PDF document text
- https://printandmail.princeton.edu/system/files/webform/83401752781.pdfIn PDF document text
- https://www.healthdata.org/sites/default/files/resumes/fanonexujezurexuli.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_off0000e2e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2E0 | 4888 bytes |
SHA-256: 67c46d4383efd57ea5a1dabec0bb52c22c12f5164b0f835d166a24d9d16f5d38 |
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