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 critical ClamAV detection for 'Pdf.Phishing.Trojan'. The PDF contains numerous embedded URLs, many of which are structured as link farms, suggesting an attempt to redirect users to malicious sites. While no scripts were explicitly extracted, the presence of embedded URLs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9519
Heuristics 4
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://grossenbacher.co.nz/en/system/files/avoidance-training-certificates/3242210986.pdf
- https://www.natsihwa.org.au/sites/default/files/webform/51762260361.pdf
- https://www.mothercare.ro/sites/default/files/webform/resumes/jevosofotabotasif.pdf
- http://klm3fg.grhosting.cz/sites/default/files/webform/files/6948618973.pdf
- https://www.telluridescience.org/sites/default/files/tstc-applications/dadesiludidogujuta.pdf
- http://spotlight-sites.com/sites/default/files/webform/loboje.pdf
- http://cicatsalud.com/html/sites/default/files/webform/39809543560.pdf
- https://www.termis.org/system/files/webform/776381217.pdf
- http://russian-ice-spb.ru/sites/default/files/webform/files/69309865186.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=9.s%25C4%25B1n%25C4%25B1f+palme+matematik+soru+%25C3%25A7%25C3%25B6z%25C3%25BCmleri
- https://www.ice.cam.ac.uk/sites/www.ice.cam.ac.uk/files/webform/68876097481.pdf
- https://ubmemeaensoprod.s3.amazonaws.com/ifsec_international/call_for_papers/2021/03/60395266702.pdf
- https://www.healthdata.org/sites/default/files/resumes/mavesoriv.pdf
- https://lib.asu.edu/system/files/webform/delibenapu.pdf
- https://www.healthdata.org/sites/default/files/resumes/18848190838.pdf
- https://lib.asu.edu/system/files/webform/53252105934.pdf
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c286.bin748e6680b52d450398f2eeb029e821873b13a401166403bad1ce797b9249f813 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC286 | 5608 bytes |
font_01_sfnt_off0000d503.bind8913b82921333f2cc414260ade90df947d99cbbfa8165ce6a86b8ffb3e4eec5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD503 | 11148 bytes |
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