MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains numerous embedded URLs, many of which point to unknown or potentially malicious domains, suggesting a link farm designed to redirect users. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports the interpretation of this file as a lure for malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.7962
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://aboss.by/sites/default/files/webform/32639212941.pdf In PDF document text
- https://ambrose.edu/sites/default/files/webform/futexapepunuvanujom.pdfIn PDF document text
- https://www.natsihwa.org.au/sites/default/files/webform/51762260361.pdfIn PDF document text
- http://cicatsalud.com/html/sites/default/files/webform/dekif.pdfIn PDF document text
- https://www.mothercare.ro/sites/default/files/webform/resumes/sojivezogi.pdfIn PDF document text
- https://web.liderpapel.com/sites/default/files/webform/dojoxopanikofogenag.pdfIn PDF document text
- https://www.osgeurope.com/sites/osg-corporate.dev/files/webform/nutuzisujobipusife.pdfIn PDF document text
- https://www.visitsavannah.com/sites/default/files/webform/71260674720.pdfIn PDF document text
- https://www.termis.org/system/files/webform/67198091979.pdfIn PDF document text
- http://www.birdlifebotswana.org.bw/sites/default/files/webform/sightings-sketches/13349970620.pdfIn PDF document text
- https://ambrose.edu/sites/default/files/webform/tinijozude.pdfIn PDF document text
- http://www.pbttphtk.gov.my/sites/default/files/webform/1232685222.pdfIn PDF document text
- http://www.pacificsportfraservalley.com/sites/default/files/webform/12938533755.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/zMnd8XtcwSM/uplcv?utm_term=laplace+%25C3%25B6rnek+soru+%25C3%25A7%25C3%25B6z%25C3%25BCmleriPDF link annotation
- https://campusrec.princeton.edu/system/files/webform/putiwokareviwe.pdfIn PDF document text
- https://printandmail.princeton.edu/system/files/webform/zixulupuritijidegebi.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_off0000c4b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4B4 | 5576 bytes |
SHA-256: b63380e3d4c8bd269d7e4cf4b7726f4945cb858215b4172b54e2664f42340213 |
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