MALICIOUS — e2bc78376e3a4cdbd2ef19cf804e8cc3f39f0938e78c5f409b5e22f1c7511f20

MALICIOUS — e2bc78376e3a4cdbd2ef19cf804e8cc3f39f0938e78c5f409b5e22f1c7511f20 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 3 of 54 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: e2bc78376e3a4cdbd2ef19cf804e8cc3f39f0938e78c5f409b5e22f1c7511f20
• SHA-1: d825c10af644c94b789a4b148b5df95bcb0789aa
• MD5: ccdbb2bbbb27cfb2466a1d7112f214b7
• ssdeep: 1536:ZvRE4rhcNi78Rj86r5XehgK5KHeiCpRVckoM1sQa7mH:nlVQRAAm8sRoM1sR7+
• TLSH: T16434F1FB32A7CF49D5F7FA463EF822AC8E8CCBD95520F6A951E40118C14CE6E4819905
• Submitted as: e2bc78376e3a4cdbd2ef19cf804e8cc3f39f0938e78c5f409b5e22f1c7511f20
• File type: pdf · Size: 53839 bytes
• Verdict: malicious (98/100)

Detections (3 of 54 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• ClamAV (daily): Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

• T1105
• T1566.002

Why this verdict

The malicious score of 98/100 is the fusion of 7 weighted signals:

• ClamAV (daily) flagged Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 (rule Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0) - engine signal, weight 0.90, confidence 0.95
• Embedded link rated malicious by URL analysis: http://appartenvue.net/appart/upload/images/jovoxujutoselokufek.pdf - network signal, weight 0.70, confidence 0.80
• Contacted 9 external host(s) and 3 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
• Embedded network infrastructure: https://chcial.ru/uplcv?utm_term=samsung+galaxy+grand+prime+firmware+download, http://word.mn/uploads/assets/rimovada.pdf, https://dienhoanghean.com/upload/ck/files/vuzitixamowumile.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
• Extracted generic config (8 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

1009 behavior events · 0 ATT&CK techniques · 1 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• c.pki.goog
• x2.c.lencr.org
• ye.c.lencr.org
• yr.c.lencr.org
• ntp.ubuntu.com
• _dosvc._tcp.local
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl
• http://c.pki.goog/r/r1.crl
• http://x2.c.lencr.org/
• http://ye.c.lencr.org/
• http://c.pki.goog/wr2/9UVbN0w5E6Y.crl
• http://yr.c.lencr.org/
• 23.40.52.209
• 23.11.37.157

Dropped files

• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• https://chcial.ru/uplcv?utm_term=samsung+galaxy+grand+prime+firmware+download
• http://word.mn/uploads/assets/rimovada.pdf
• https://dienhoanghean.com/upload/ck/files/vuzitixamowumile.pdf
• http://bakineshr.az/ckfinder/userfiles/files/94587477840.pdf
• https://jlgardner.org/home/jlg/public_html/ckfinder/userfiles/files/fivojubukezivewivofavu.pdf
• http://sgpeo.pl/users/file/35522653259.pdf
• http://appartenvue.net/appart/upload/images/jovoxujutoselokufek.pdf
• http://cuacuonanbinh.com/userfiles/file/vebikizupoludadibelubuke.pdf
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl
• http://c.pki.goog/r/r1.crl
• http://x2.c.lencr.org/
• http://ye.c.lencr.org/
• http://c.pki.goog/wr2/9UVbN0w5E6Y.crl
• http://yr.c.lencr.org/

Embedded domains

• chcial.ru
• dienhoanghean.com
• jlgardner.org
• sgpeo.pl
• appartenvue.net
• cuacuonanbinh.com
• word.mn
• bakineshr.az
• x2.c.lencr.org
• ye.c.lencr.org
• yr.c.lencr.org

Embedded IP addresses

• 172.215.188.232
• 172.172.255.217
• 20.42.179.204
• 20.165.94.46
• 4.247.188.224
• 4.230.171.124
• 135.232.92.137
• 20.247.185.124
• 72.154.7.104

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report