MALICIOUS — 9f3dd995d76fc9ab9fec884ccb1e78616aebe6ec079561bc99ca3aa93a018917

MALICIOUS — 9f3dd995d76fc9ab9fec884ccb1e78616aebe6ec079561bc99ca3aa93a018917 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: 9f3dd995d76fc9ab9fec884ccb1e78616aebe6ec079561bc99ca3aa93a018917
SHA-1: e5f2343b6b5a3dd86f9482fd4f247d3980b4e8a6
MD5: 7cca971835159df4590a9e452856589c
ssdeep: 1536:6hR1rBpfo0Nc6/zM5xCZZqn8T/yX+X4q+M33rRhO1OT+dj2ya7qjb1D0SxMcl5WP:0nrBNBF0C+qW+oW3rSUTejHao1RMgXG
TLSH: T1A83BE1F76197DD0CB65A6B03569E25AD708AC78C71319AE068C0722CC97CAAD7E31F01
Submitted as: 9f3dd995d76fc9ab9fec884ccb1e78616aebe6ec079561bc99ca3aa93a018917
File type: pdf · Size: 108172 bytes
Verdict: malicious (99/100)

Detections (4 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
Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

Why this verdict

The malicious score of 99/100 is the fusion of 11 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
Embedded link rated malicious by URL analysis: https://static.s123-cdn-static.com/uploads/4426277/normal_5ff38cf6de074.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://crysiq.ru/pbw?utm_term=first+aid+2018+changes+pdf, https://cdn-cms.f-static.net/uploads/4475995/normal_6066c54b7f8b5.pdf, https://static.s123-cdn-static.com/uploads/4426277/normal_5ff38cf6de074.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 6 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
Extracted generic config (15 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Memory forensics: 3 finding(s) elsewhere in the guest, not attributed to this sample, e.g. RWX/private injected region in Acrobat.exe (pid 1648) (rule windows.malfind.Malfind) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

1085 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
23.40.52.85
23.11.37.157
20.190.142.163
150.171.22.17
23.33.238.135
40.84.97.4 US · Boydton · AS8075 Microsoft Corporation
52.110.12.25 AU · Sydney · AS8075 Microsoft Corporation
4.230.171.124 KR · Seoul · AS8075 Microsoft Corporation
23.33.238.173
135.232.92.97 US · Boydton · AS8075 Microsoft Limited
135.232.92.137 US · Boydton · AS8075 Microsoft Limited

Dropped files

root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

https://crysiq.ru/pbw?utm_term=first+aid+2018+changes+pdf
https://cdn-cms.f-static.net/uploads/4475995/normal_6066c54b7f8b5.pdf
https://static.s123-cdn-static.com/uploads/4426277/normal_5ff38cf6de074.pdf
https://cdn-cms.f-static.net/uploads/4448323/normal_600a53f29f77d.pdf
https://zovipimisog.weebly.com/uploads/1/3/1/1/131163747/wutiw.pdf
https://mozufutedubido.weebly.com/uploads/1/3/4/5/134503110/birogibumetawusuket.pdf
http://nusuwoxub.pbworks.com/w/file/fetch/144413517/to_kill_a_mockingbird_vocabulary_chapter_24-25.pdf
https://cdn-cms.f-static.net/uploads/4493569/normal_60538817eeb8c.pdf
http://xegosigex.pbworks.com/w/file/fetch/144686172/82544530512.pdf
http://vazesuna.pbworks.com/f/gapekumokofuluzo.pdf
https://static.s123-cdn-static.com/uploads/4477137/normal_5fe3a81de1ac2.pdf
https://static.s123-cdn-static-d.com/uploads/4493589/normal_60b4df2619507.pdf
http://pagorevet.pbworks.com/f/download_easy_frp_bypass_apk_free_android_host.pdf
http://bovozajezo.pbworks.com/f/what_is_a_autosomal_pedigree_chart.pdf
https://cdn-cms.f-static.net/uploads/4369919/normal_6048280b3f5ce.pdf
https://zulozuger.weebly.com/uploads/1/3/5/3/135310252/beliripajevogegexin.pdf
http://lonazetubuz.pbworks.com/w/file/fetch/144674070/93091744714.pdf
https://cdn-cms.f-static.net/uploads/4452171/normal_6065776dd8124.pdf
https://julotovodirol.weebly.com/uploads/1/3/4/5/134522883/nepilodi-dadupoge.pdf
https://wadodimimilupe.weebly.com/uploads/1/3/0/8/130873890/58d9bffcd612a.pdf
https://mizevazorabij.weebly.com/uploads/1/3/5/3/135347525/fe15f.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/

Embedded domains

crysiq.ru
cdn-cms.f-static.net
static.s123-cdn-static.com
zovipimisog.weebly.com
mozufutedubido.weebly.com
nusuwoxub.pbworks.com
xegosigex.pbworks.com
vazesuna.pbworks.com
static.s123-cdn-static-d.com
pagorevet.pbworks.com
bovozajezo.pbworks.com
zulozuger.weebly.com
lonazetubuz.pbworks.com
julotovodirol.weebly.com
wadodimimilupe.weebly.com
mizevazorabij.weebly.com
www.w3.org
purl.org
ns.adobe.com

Embedded IP addresses

4.247.188.233
40.84.97.4
52.110.12.25
4.230.171.124
135.232.92.97
135.232.92.137

Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report