MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.8253
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://extranet.blanchisserie-toulousaine-de-sante.com/sites/extranet.blanchisserie-toulousaine-de-sante.com/files/documents/justificatifs/ziseriwutekezarog.pdf In PDF document text
- https://www.mainephilanthropy.org/sites/default/files/50588642306.pdfIn PDF document text
- http://oaklandchildcare.org/sites/default/files/webform/55178968397.pdfIn PDF document text
- https://www.visitsavannah.com/sites/default/files/webform/90994069376.pdfIn PDF document text
- https://www.ofalloncasting.com/sites/default/files/webform/zuloliresu.pdfIn PDF document text
- https://www.uts.cw/sites/default/files/webform/xewaz.pdfIn PDF document text
- http://portal-mysigma.com/system/files/student-proof/72808970040.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/YTWXjIUwRh0/uplcv?utm_term=pl+sql+textbookPDF link annotation
- https://www.ice.cam.ac.uk/sites/www.ice.cam.ac.uk/files/webform/tivajojisepizoni.pdfIn PDF document text
- https://ubmemeaensoprod.s3.amazonaws.com/ifsec_international/call_for_papers/2021/03/37488496184.pdfIn PDF document text
- https://ec.europa.eu/eip/agriculture/sites/default/files/webform/27560642257.pdfIn PDF document text
- https://campusrec.princeton.edu/system/files/webform/4552140304.pdfIn PDF document text
- https://ubmemeaensoprod.s3.amazonaws.com/ifsec_international/call_for_papers/2021/03/65910459182.pdfIn PDF document text
- https://printandmail.princeton.edu/system/files/webform/31356988355.pdfIn PDF document text
- https://www.healthdata.org/sites/default/files/resumes/53082175038.pdfIn PDF document text
- https://minorsoncampus.princeton.edu/system/files/webform/tuvoluxasivawujunaz.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_off0000cc1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC1F | 4772 bytes |
SHA-256: c6639921fc9ed567a95675b839656ddd02a5cd3b8fa19f23ccd60ec8919b4be7 |
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