MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs, with several heuristics indicating a link farm and potential phishing activity. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URIs point towards a phishing or malware distribution vector, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.7946
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://www.enwidth.com/sites/default/files/webform/resumes/48862039041.pdf In PDF document text
- http://seiary.com/sites/default/files/webform/rec/kutovaduro.pdfIn PDF document text
- http://www.sumnercountyhospital.org/sites/default/files/webform/vetasitumuwogemukuruv.pdfIn PDF document text
- http://russian-ice-spb.ru/sites/default/files/webform/files/77599308563.pdfIn PDF document text
- https://www.mothercare.ro/sites/default/files/webform/resumes/49428740932.pdfIn PDF document text
- https://www.newburghgroup.com/sites/default/files/webform/resumes/talazeleravu.pdfIn PDF document text
- http://cicatsalud.com/html/sites/default/files/webform/24974410021.pdfIn PDF document text
- https://ambrose.edu/sites/default/files/webform/71048230710.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/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=nioh+break+statPDF link annotation
- https://ec.europa.eu/eip/agriculture/sites/default/files/webform/44438097533.pdfIn PDF document text
- https://community.princeton.edu/system/files/webform/42655509772.pdfIn PDF document text
- https://drones.princeton.edu/system/files/webform/zifogisabivaloxigisosobu.pdfIn PDF document text
- https://ec.europa.eu/eip/agriculture/sites/default/files/webform/76225898136.pdfIn PDF document text
- https://community.princeton.edu/system/files/webform/fivedexexefo.pdfIn PDF document text
- https://community.princeton.edu/system/files/webform/26098210740.pdfIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010410.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10410 | 5500 bytes |
SHA-256: 1f76d41369dbf696186e03cc0e8db7f9f47d558b3b6772dd75acb73345ab6ce6 |
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font_01_sfnt_off000116dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116DC | 4596 bytes |
SHA-256: 651db21033591facce7f2ce74d82a19da72ae23131c2b68462e6900e2d78345d |
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