MALICIOUS — b651f0a7b1e50532c1ca043f8789ef9fca245a5937949e477e9873a0329f180f

MALICIOUS — b651f0a7b1e50532c1ca043f8789ef9fca245a5937949e477e9873a0329f180f is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100). 4 of 54 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

SHA-256: b651f0a7b1e50532c1ca043f8789ef9fca245a5937949e477e9873a0329f180f
SHA-1: b28d23246cf3925d8ccfd18cf413f8692e91fff4
MD5: 7abf9c0b931b68497638be4e0b28b8a9
ssdeep: 1536:TICwFmI/lbtdr/tR/buOWolpQp3brIWapOtQCWYzM+pmijGKzF/s:/wFd/9tdn/JmLrxtQvwz6
TLSH: T1FA38D0F310DBED8C7746DF03B5AB1169608AD79D2262DB909188776CD07C6BCAE00B91
Submitted as: b651f0a7b1e50532c1ca043f8789ef9fca245a5937949e477e9873a0329f180f
File type: pdf · Size: 79523 bytes
Verdict: malicious (99/100)

Detections (4 of 54 engines)

MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
ClamAV (daily): Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Emsisoft (Emergency Kit): PDF.Spam.Heur.1
Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

Why this verdict

The malicious score of 99/100 is the fusion of 10 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: https://on-call-anatomist.org/ckfinder/userfiles/files/gumemuluroserizovuwofad.pdf - network signal, weight 0.70, confidence 0.80
Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule PDF.Spam.Heur.1) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged HEUR:Hoax.PDF.Phish.gen (rule HEUR:Hoax.PDF.Phish.gen) - 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://synerhu.ru/uplcv?utm_term=dream+league+soccer+2020+coins, http://nationalherbo.com/userfiles/file/nosewuzuzuvuvekuzawan.pdf, http://prochem.vn/images/uploads/files/mewofutewafumese.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
Contacted 9 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
Extracted generic config (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

1063 behavior events · 0 ATT&CK techniques · 1 dropped files.

Runtime network

www.msftconnecttest.com
rb.symcd.com
rb.symcb.com
inference.location.live.net
_dosvc._tcp.local
ntp.ubuntu.com
http://www.msftconnecttest.com/connecttest.txt
http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
http://rb.symcb.com/rb.crl
http://203.26.79.13/filestreamingservice//files/89c77c08-6078-44b6-8f27-85720154df65/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/89c77c08-6078-44b6-8f27-85720154df65?P1=1788001588&P2=404&P3=2&P4=Qn1nevh1ngp5bYQ5jAobCYVYSehizWRe5VTjOBgI38l4S3FTW68TVU9BvxhxaxgjDXAEdgL9TGA8F%2fOG8A34lg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
23.40.52.85
23.11.37.157
40.126.14.162
150.171.22.17
52.110.12.46 AU · Sydney · AS8075 Microsoft Corporation
52.110.12.53 AU · Sydney · AS8075 Microsoft Corporation
4.230.171.124 KR · Seoul · AS8075 Microsoft Corporation
23.33.238.171
23.33.238.104

Dropped files

root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

https://synerhu.ru/uplcv?utm_term=dream+league+soccer+2020+coins
http://nationalherbo.com/userfiles/file/nosewuzuzuvuvekuzawan.pdf
http://prochem.vn/images/uploads/files/mewofutewafumese.pdf
http://backkwang.com/userData/board/file/99475265315.pdf
https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/5a55c81000376ea51f6dbacb33770275/5158395590.pdf
http://kukubara.com/zdjecia/file/41804658709.pdf
https://korovin.org/site/img_ufiles/19983168992.pdf
https://on-call-anatomist.org/ckfinder/userfiles/files/gumemuluroserizovuwofad.pdf
http://bilafafafa.com/shopadmin/upload/files/74811184187.pdf
https://sukaunited4d.vip/contents/files/16972754614.pdf
http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614c444155200---86665158909.pdf
https://giasidaily.com/uploads/userfiles/file/80534354429.pdf
https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/pom7bduogp73io67d5rmag5i5n/91267566215.pdf
https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/ksaaigapiujshceb8mupc4uedo/nawifosezonaxixubimo.pdf
http://kubak-ubezpieczenia.pl/userfiles/file/jiwoxiluvulagafakiki.pdf
http://grafitym.kz/files/file/bitemiferibasedu.pdf
https://gmnavarra.es/ckeditor/files/27804011749.pdf
http://hondatayho.top/img-ngocbao/files/32364903851.pdf
http://sampoernastrategic.com/uploads/image/files/renogatikugale.pdf
http://discus-rus.ru/upl/file/tagurujevimuvila.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/

Embedded domains

synerhu.ru
nationalherbo.com
backkwang.com
asaptransfers.co.uk
kukubara.com
korovin.org
on-call-anatomist.org
bilafafafa.com
sukaunited4d.vip
abapaposentados.com.br
giasidaily.com
www.ezhealthcheck.com
advicezone.org.uk
kubak-ubezpieczenia.pl
gmnavarra.es
hondatayho.top
sampoernastrategic.com
discus-rus.ru
www.w3.org
purl.org
ns.adobe.com
prochem.vn
grafitym.kz

Embedded IP addresses

203.26.79.13
52.110.12.46
52.110.12.53
4.230.171.124
4.247.188.224
4.144.132.114
72.153.5.134
172.215.188.232
52.148.114.188

Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report