MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The presence of numerous embedded links, many pointing to potentially disposable domains, strongly suggests a phishing or malware distribution attempt. The ML classifier also indicated a high probability of maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.8123
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://ambrose.edu/sites/default/files/webform/9027254294.pdf In PDF document text
- http://www.sumnercountyhospital.org/sites/default/files/webform/xubapubawaral.pdfIn PDF document text
- http://www.sumnercountyhospital.org/sites/default/files/webform/72664382884.pdfIn PDF document text
- https://www.termis.org/system/files/webform/dexifivoneput.pdfIn PDF document text
- https://www.telluridescience.org/sites/default/files/tstc-applications/90077644064.pdfIn PDF document text
- https://www.blplegal.com/sites/default/files/webform/vogelunejubujapezidugave.pdfIn PDF document text
- https://www.mothercare.ro/sites/default/files/webform/resumes/95866450710.pdfIn PDF document text
- https://www.mainephilanthropy.org/sites/default/files/49101071505.pdfIn PDF document text
- https://www.termis.org/system/files/webform/53478461308.pdfIn PDF document text
- http://www.pacificsportfraservalley.com/sites/default/files/webform/pulipalukegibivep.pdfIn PDF document text
- https://www.ofalloncasting.com/sites/default/files/webform/taxebuvokorutupimapo.pdfIn PDF document text
- http://portal-mysigma.com/system/files/student-proof/woximinel.pdfIn PDF document text
- https://europa-ts.ru/sites/default/files/webform/totikejeropisatuzubafaba.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/~3/1xuhb7AK25c/uplcv?utm_term=adeptus+custodes+rules+8th+edition+pdfPDF link annotation
- https://minorsoncampus.princeton.edu/system/files/webform/tuvoluxasivawujunaz.pdfIn PDF document text
- https://thesanfordschool.asu.edu/sites/default/files/webform/20850651402.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_off0000cdfc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDFC | 5216 bytes |
SHA-256: 13b402b2d9d6a3e58857061e0ae285b3507017dcd80ef8bcf8fde9da410de00f |
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