MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The document contains numerous embedded URLs, many pointing to seemingly legitimate university or organizational sites, but disguised as search results or downloads. This suggests a tactic to trick users into visiting potentially harmful links, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9455
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://ambrose.edu/sites/default/files/webform/kepasibadugemefobovabo.pdf In PDF document text
- https://www.woonsocketri.org/system/temporary/webform/makepepatamizozixijefawop.pdfIn PDF document text
- http://cicatsalud.com/html/sites/default/files/webform/sidetarebuw.pdfIn PDF document text
- http://portal-mysigma.com/system/files/student-proof/41429692510.pdfIn PDF document text
- https://ambrose.edu/sites/default/files/webform/sovurusogizafubeb.pdfIn PDF document text
- http://www.grotekeukens.be/sites/default/files/webform/gmawards2018/sakobonomoduriv.pdfIn PDF document text
- http://www.guninetwork.org/system/files/webform/heirri_proposals/32710798707.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=srimad+bhagavatam+pdf+in+tamilPDF link annotation
- https://gradfutures.princeton.edu/system/files/webform/xafuzekimizitigemuseli.pdfIn PDF document text
- https://www.vub.be/sites/vub/files/webform/pagilavamuvawasaxega.pdfIn PDF document text
- https://printandmail.princeton.edu/system/files/webform/83605599331.pdfIn PDF document text
- https://thesanfordschool.asu.edu/sites/default/files/webform/87767597376.pdfIn PDF document text
- https://www.vub.be/sites/vub/files/webform/gegisikirusesikogibo.pdfIn PDF document text
- https://gradfutures.princeton.edu/system/files/webform/49692556615.pdfIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off0001128c.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x1128C | 25623 bytes |
SHA-256: a1a979ecc332e75fc47138cc1ceff1bfcf61f8ba9f0cf7809b359982b4d4252b |
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font_00_sfnt_off0000ffbd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFBD | 5580 bytes |
SHA-256: 97d4501248a5530a70dffb3da7ddce63adceec4be00a5ac1a4dd86c0fa37dd00 |
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