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 high-confidence ML classifier and ClamAV detection as a phishing trojan. The document contains numerous embedded URLs, many of which point to disposable or unknown domains, suggesting a link farm designed to obscure the final malicious destination. While no scripts were explicitly extracted, the PDF structure and heuristic firings indicate malicious intent, likely to redirect users to a phishing or malware distribution site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9680
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 http://www.guninetwork.org/system/files/webform/heirri_proposals/80098342864.pdf
- https://www.blplegal.com/sites/default/files/webform/vogelunejubujapezidugave.pdf
- https://www.enwidth.com/sites/default/files/webform/resumes/90018929780.pdf
- https://www.jwico.com/sites/default/files/webform/minokoniniwige.pdf
- https://ambrose.edu/sites/default/files/webform/46846662681.pdf
- https://www.woonsocketri.org/system/temporary/webform/mupiroto.pdf
- https://www.blplegal.com/sites/default/files/webform/pifijolaj.pdf
- https://www.dgs-interparts.be/sites/default/files/57515461030.pdf
- http://oaklandchildcare.org/sites/default/files/webform/65810703597.pdf
- https://ambrose.edu/sites/default/files/webform/61928937085.pdf
- https://grossenbacher.co.nz/en/system/files/avoidance-training-certificates/bekam.pdf
- http://www.muttypawsacademy.com/sites/default/files/webform/vaccines/96392425525.pdf
- https://extranet.blanchisserie-toulousaine-de-sante.com/sites/extranet.blanchisserie-toulousaine-de-sante.com/files/documents/justificatifs/6659556688.pdf
- https://www.uts.cw/sites/default/files/webform/89737617204.pdf
- https://web.liderpapel.com/sites/default/files/webform/21411595718.pdf
- https://www.woonsocketri.org/system/temporary/webform/bogobovimefegaf.pdf
- https://europa-ts.ru/sites/default/files/webform/6529842099.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=sharepoint+2019+training+online+free
- https://printandmail.princeton.edu/system/files/webform/ziwilijevugibapuvoboka.pdf
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cd71.bin19aca841312af3c37849262eba2a86044be9c81aee4e83cae6c917a3085e3d77 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD71 | 5568 bytes |
font_01_sfnt_off0000e067.bincfa7996085289ec621aca55d9ef0682bfc521b0ee21bd71f13e4c402b2f1ae8f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE067 | 10340 bytes |
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