MALICIOUS — 2b13c18f5e0b43d3b23f82baf3b6bb46fedf9b2093694118b21b1a5e881849a8

MALICIOUS — 2b13c18f5e0b43d3b23f82baf3b6bb46fedf9b2093694118b21b1a5e881849a8 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100). 5 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

SHA-256: 2b13c18f5e0b43d3b23f82baf3b6bb46fedf9b2093694118b21b1a5e881849a8
SHA-1: f15990adbcdde1f8e1be4206d574ef05431c0c68
MD5: 8c5761e08e7c3563cfb8507df8f6b7fd
ssdeep: 1536:giL99JxzCGUyT+cGGpLOILlZQ+Ea6mR8yV//df2CouE5SA2b6N:TL/zz43cdqgQ+E6myV/oCourw
TLSH: T1F537D0F355D7DC8DDF978F03BAE7156C908AC289623296641448FA6CD5BC2BC2E10A21
Submitted as: 2b13c18f5e0b43d3b23f82baf3b6bb46fedf9b2093694118b21b1a5e881849a8
File type: pdf · Size: 72528 bytes
Verdict: malicious (99/100)

Detections (5 of 54 engines)

MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
ClamAV (daily): Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
Emsisoft (Emergency Kit): PDF.Spam.Heur.1
Trellix Stinger (McAfee): PDF/Phish-FAB!8C5761E08E7C
Kaspersky (KVRT): HEUR:Hoax.PDF.Agent.gen

MITRE ATT&CK

T1105

Why this verdict

The malicious score of 99/100 is the fusion of 10 weighted signals:

ClamAV (daily) flagged Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 (rule Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0) - engine signal, weight 0.90, confidence 0.95
Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule PDF.Spam.Heur.1) - engine signal, weight 0.55, confidence 0.85
Trellix Stinger (McAfee) flagged PDF/Phish-FAB!8C5761E08E7C (rule PDF/Phish-FAB!8C5761E08E7C) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged HEUR:Hoax.PDF.Agent.gen (rule HEUR:Hoax.PDF.Agent.gen) - engine signal, weight 0.55, confidence 0.85
Contacted 8 external host(s) and 3 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
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=pdf+to+html+js, https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/2okjvvspvf1fsp618gjbgbgkdq/56663529659.pdf, http://cuatro-pr.org/sites/default/files/file/58801526161.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 (19 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

1056 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
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/
23.40.52.85
23.11.37.157
20.190.142.165

Dropped files

root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

https://synerhu.ru/uplcv?utm_term=pdf+to+html+js
https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/2okjvvspvf1fsp618gjbgbgkdq/56663529659.pdf
http://cuatro-pr.org/sites/default/files/file/58801526161.pdf
https://riolospettacoli.it/filesUploads/file/vufasupitukepujuba.pdf
https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f08167d1a4---57246573091.pdf
http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1607242de5b288---14678677691.pdf
https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/d1115e04da5f06685892a8cfc21f6288/39441851531.pdf
https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/b3636b69999f2742c45a020622257ec0/ruvirokedafuvorisopin.pdf
https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/cid4j8n3j2jdtadmlsntlll4dh/solomalifapewetifudusat.pdf
http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/4a01o2cbn82g1hifnprp35koq3/66721572435.pdf
https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/f8f1da7c6120b031b77f360be7b4c4e8/89261693584.pdf
http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/f2a45a4b77992ff8f9c310ece1cd374c/88363116770.pdf
http://goref.ru/files/file/tinulewu.pdf
http://zrdb-drogbud.pl/Upload/file/mifukunafogitido.pdf
https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/18c1a5290d290f7771a0fc0d76c6b9f3/92287827893.pdf
https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/e19815de476c6a65167cf2b20ca074da/memojapoxovedimewo.pdf
https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086acc3af3ae---vewipuraxuzadogeruk.pdf
https://eltonltd.ru/sites/default/files/uploads/jabemejajolunopewuluxi.pdf
https://capital-tic.com/upload/ckfinder_temp/files/20210611093813.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

synerhu.ru
cuatro-pr.org
riolospettacoli.it
utilitydiscount.com
krimgranit.ru
certifiedmoversinc.com
southtours.com
omomediacion.com
amako-ra.com
goref.ru
zrdb-drogbud.pl
www.psalighting.com
www.pennlighting.com
fermuar.com
eltonltd.ru
capital-tic.com
www.w3.org
purl.org
ns.adobe.com
ecomassage.pt
www.trimbleexpress.sk
www.sunarozlem.com.tr
x2.c.lencr.org
ye.c.lencr.org
yr.c.lencr.org

Embedded IP addresses

52.123.252.229
52.110.12.46
172.215.188.232
4.230.171.124
74.178.240.61
20.42.65.94
92.223.78.30
72.145.35.106

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report