MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is identified as malicious by ML classifiers and ClamAV, with a high risk score. It contains numerous embedded URLs, many of which are hosted on suspicious domains and appear to be part of a phishing or malware distribution scheme. The document body, though heavily obfuscated, suggests a lure related to 'human brain PDF'. No scripts were extracted, but the presence of multiple suspicious URLs indicates an attempt to redirect the user to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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/dagen.pdf In PDF document text
- https://www.jwico.com/sites/default/files/webform/pagijan.pdfIn PDF document text
- http://pilgrimland.com/sites/default/files/webform/resume-uploads/64296936159.pdfIn PDF document text
- http://cicatsalud.com/html/sites/default/files/webform/99284441703.pdfIn PDF document text
- http://cicatsalud.com/html/sites/default/files/webform/53132673180.pdfIn PDF document text
- https://www.osgeurope.com/sites/osg-corporate.dev/files/webform/keborezuvefubivuw.pdfIn PDF document text
- http://cicatsalud.com/html/sites/default/files/webform/24974410021.pdfIn PDF document text
- https://www.osgeurope.com/sites/osg-corporate.dev/files/webform/vonasajevevedatenalezeb.pdfIn PDF document text
- http://cicatsalud.com/html/sites/default/files/webform/17654710786.pdfIn PDF document text
- https://ambrose.edu/sites/default/files/webform/vojowavujelosapol.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/~3/3vuEKuznOb8/uplcv?utm_term=o+cerebro+humano+pdfPDF link annotation
- https://thesanfordschool.asu.edu/sites/default/files/webform/63066688876.pdfIn PDF document text
- https://campusrec.princeton.edu/system/files/webform/rilawadabovoxilezevateg.pdfIn PDF document text
- https://minorsoncampus.princeton.edu/system/files/webform/45540448673.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In 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 |
|---|---|---|---|
font_00_sfnt_off0000e7c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7C8 | 5352 bytes |
SHA-256: 5a8cb552619ab4c24ebd7a4a8e316149d356a5dd4c7e5ecfea60407793b62f4a |
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font_01_sfnt_off0000f9c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9C8 | 13112 bytes |
SHA-256: 1a4cdcc73ac0c6beabc38230b7fd8aa01bbf29b3d83abdd363102bc1db999487 |
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