MALICIOUS — pejosivas.pdf

MALICIOUS — pejosivas.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (78/100). 2 of 54 detection engines flagged it.

Identification

• SHA-256: fe307f7139d6a67053c54b08c62c9080b1abcf5e97a1f8292e13572f4a7e2d00
• SHA-1: d7b6bcfd4ad19098972f8f5af7487dbf1b98b40c
• MD5: 67d7bf6b0f5675c9847bb49e30a06c41
• ssdeep: 768:ygGzpD3rTTtvXhoEWycmr6GEAP3Rk9yMWrIErgOZgx7zq:vGFbBvTWycmWg3e4MWnZgx7zq
• TLSH: T19131AEF3549BED8CB9C6AF039CE6045810C5C28C712697A849D96A7ED43C2FDAF90931
• Submitted as: pejosivas.pdf
• File type: pdf · Size: 41835 bytes
• Verdict: malicious (78/100)

Detections (2 of 54 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• Emsisoft (Emergency Kit): PDF.Spam.Heur.1

Why this verdict

The malicious score of 78/100 is the fusion of 5 weighted signals:

• Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule PDF.Spam.Heur.1) - engine signal, weight 0.55, confidence 0.85
• MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-blob (rule high-entropy-blob) - engine signal, weight 0.35, confidence 0.70
• Embedded network infrastructure: https://gettraff.ru/strik?keyword=bsc+mlt+syllabus+pdf+ntr+university, https://site-1037114.mozfiles.com/files/1037114/73532578429.pdf, https://site-1036868.mozfiles.com/files/1036868/59702718350.pdf - static signal, weight 0.35, confidence 0.60
• Document active content: uri-action - static signal, weight 0.30, confidence 0.60
• Packing/obfuscation: high-entropy-blob - static signal, weight 0.25, confidence 0.55

Dynamic analysis

No runtime behaviour was captured for this sample, so the analysis above is static only. That is a limit of this run rather than evidence the sample does nothing.

Embedded URLs

• https://gettraff.ru/strik?keyword=bsc+mlt+syllabus+pdf+ntr+university
• https://site-1037114.mozfiles.com/files/1037114/73532578429.pdf
• https://site-1036868.mozfiles.com/files/1036868/59702718350.pdf
• https://site-1037111.mozfiles.com/files/1037111/sugakotevuxabizut.pdf
• https://site-1036894.mozfiles.com/files/1036894/17170846421.pdf
• https://site-1037869.mozfiles.com/files/1037869/33640379884.pdf
• https://site-1036699.mozfiles.com/files/1036699/newumudipefonefigunekaza.pdf
• https://site-1036869.mozfiles.com/files/1036869/27430149264.pdf
• https://site-1036751.mozfiles.com/files/1036751/23078458503.pdf
• https://site-1036742.mozfiles.com/files/1036742/sunuvul.pdf
• https://site-1037011.mozfiles.com/files/1037011/munonunifilinikurefab.pdf
• https://site-1036665.mozfiles.com/files/1036665/lerelugom.pdf
• https://site-1037115.mozfiles.com/files/1037115/lafix.pdf
• http://www.w3.org/1999/02/22-rdf-syntax-ns#
• http://purl.org/dc/elements/1.1/
• http://ns.adobe.com/pdf/1.3/
• http://ns.adobe.com/xap/1.0/
• http://ns.adobe.com/xap/1.0/mm/
• http://ns.adobe.com/xap/1.0/rights/

Embedded domains

• gettraff.ru
• site-1037114.mozfiles.com
• site-1036868.mozfiles.com
• site-1037111.mozfiles.com
• site-1036894.mozfiles.com
• site-1037869.mozfiles.com
• site-1036699.mozfiles.com
• site-1036869.mozfiles.com
• site-1036751.mozfiles.com
• site-1036742.mozfiles.com
• site-1037011.mozfiles.com
• site-1036665.mozfiles.com
• site-1037115.mozfiles.com
• www.w3.org
• purl.org
• ns.adobe.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report