MALICIOUS — normal_5fad9453ec838.pdf

MALICIOUS — normal_5fad9453ec838.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 4 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

SHA-256: effab6c52d8c12e34d8e637013a46ec6fb289d6c96f1cc8b3cfaa8a49d3da9e8
SHA-1: d1fcf7813e473473f6816d8c66b06d71f7508337
MD5: c97dea4c4ed35cd592b726e692127ebb
ssdeep: 1536:IkgFa0EcaYv7r3jceBmEI4vuWRlMT+tATmmtoAB:Nglas3IEI4vJMTb6mlB
TLSH: T1D235CFF3725BDD8C768A2B436E961E0C2185E6C82132E660548CB62DD0F877E7D20F52
Submitted as: normal_5fad9453ec838.pdf
File type: pdf · Size: 61921 bytes
Verdict: malicious (98/100)

Detections (4 of 53 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 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: https://uploads.strikinglycdn.com/files/d709020c-65cb-4745-91e9-63869a8ddeeb/printable_2020_blank_calendar_templates_calendarlabs.pdf - network signal, weight 0.70, confidence 0.80
Contacted 20 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
Embedded network infrastructure: https://traffking.ru/123?utm_term=an+introduction+to+language+10th+edition+pdf, https://uploads.strikinglycdn.com/files/1b539ff3-5135-4794-bdf3-645a52f9d8a3/the_dumbest_generation.pdf, https://zukinubugepar.weebly.com/uploads/1/3/4/5/134514864/02cef11fc8add3d.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 (5 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

9777 behavior events · 0 ATT&CK techniques · 3 dropped files.

Runtime network

www.msftconnecttest.com
rb.symcd.com
rb.symcb.com
inference.location.live.net
to-do.office.com
staging.to-do.officeppe.com
teams.cloud.microsoft
outlook.office.com
outlook.office365.com
outlook.cloud.microsoft
2.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
desktop-hsgcbep._dosvc._tcp.local
desktop-hsgcbep(1)._dosvc._tcp.local
b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
3.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
252.0.0.224.in-addr.arpa
ntp.ubuntu.com
desktop-hsgcbep
250.255.255.239.in-addr.arpa
http://www.msftconnecttest.com/connecttest.txt

Dropped files

C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\30f544dec4f5b16815226caaef22403c.png - 5ae244c28f88b15d106010e91b7d6fb71549a448c402e8cfe6a2a8b80e97b3b5
C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - 81486b43b36feb8bb5af9b728db28d2a9545498c49cac70ebd249a5d03294363
root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

https://traffking.ru/123?utm_term=an+introduction+to+language+10th+edition+pdf
https://s3.amazonaws.com/xafaxotaful/catalogue_hafele.pdf
https://s3.amazonaws.com/wewuxuviwar/occupy_till_i_come.pdf
https://uploads.strikinglycdn.com/files/1b539ff3-5135-4794-bdf3-645a52f9d8a3/the_dumbest_generation.pdf
https://s3.amazonaws.com/gofiguj/guangdong_province_cn.pdf
https://zukinubugepar.weebly.com/uploads/1/3/4/5/134514864/02cef11fc8add3d.pdf
https://uploads.strikinglycdn.com/files/d709020c-65cb-4745-91e9-63869a8ddeeb/printable_2020_blank_calendar_templates_calendarlabs.pdf
https://cdn-cms.f-static.net/uploads/4369776/normal_5f88b8464e577.pdf
https://s3.amazonaws.com/varolexexus/tree_diagrams_conditional_events_worksheet_answers.pdf
https://uploads.strikinglycdn.com/files/52aa0985-58aa-447f-adb6-238499617ec8/walmart_threats_and_challenges.pdf
https://s3.amazonaws.com/zuxadol/22622067737.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/
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/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787746693&P2=404&P3=2&P4=HWiQWPP8BoEdjYt%2bFB4a%2fIJhHyzMV3UGvWPu75E6JFWAvZ7%2bNEEXZQhLXvBDco%2bkNVOMtR6pud7K2HPZhHpGNw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787746704&P2=404&P3=2&P4=jsV3lo7aR2tmP38lublGq8koGzjbVnWlgRz424RyFn4sw%2fVe%2bmPtosxKo%2f0E8o6Fu9VTgNR8kIHNLSuYtefxAQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice//files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com

Embedded domains

traffking.ru
s3.amazonaws.com
uploads.strikinglycdn.com
zukinubugepar.weebly.com
cdn-cms.f-static.net
www.w3.org
purl.org
ns.adobe.com

Embedded IP addresses

40.84.85.40
135.232.92.137
40.79.141.153
172.66.2.5
20.184.175.3
57.154.63.210
52.110.12.8
4.230.171.124
20.247.184.197
74.178.240.61
20.184.175.4
52.123.129.14
52.123.128.14
135.233.45.221
72.153.5.136
203.26.79.13
92.223.78.30
20.42.65.89
48.200.63.27
52.178.17.232

Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report