MALICIOUS — f2548eb8f9f023d5990cd59aead26c1ff919d3b17fffe694a9664e5d8d6b9ebc

MALICIOUS — f2548eb8f9f023d5990cd59aead26c1ff919d3b17fffe694a9664e5d8d6b9ebc 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: f2548eb8f9f023d5990cd59aead26c1ff919d3b17fffe694a9664e5d8d6b9ebc
SHA-1: 98147d7faa260465d77b4746cb534c3bd1e38f96
MD5: 25441542e184914640a239f8d46daab4
ssdeep: 1536:N8apniOSRJZcQ+sAZ7DQBKcSAUSHMC2D8BM/lWpL5XOuwzNZZWbpONwT4W2Pzuso:RpixZc1kKcSBSHMt/KpOz5ZbNwTA+V
TLSH: T15C37C0F37197DDCC768B8B0368E6226CA04EDB556232E750804C7A7C84BC97EAF41A51
Submitted as: f2548eb8f9f023d5990cd59aead26c1ff919d3b17fffe694a9664e5d8d6b9ebc
File type: pdf · Size: 76333 bytes
Verdict: malicious (98/100)

Detections (4 of 53 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 98/100 is the fusion of 7 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: http://schoonhovensvrouwenkoor.nl/ckfinder/userfiles/files/48285499658.pdf - network signal, weight 0.70, confidence 0.80
Contacted 15 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
Embedded network infrastructure: http://hftyby.com/upload_fck/file/2021-9-11/20210911215514843075.pdf, http://candientuvibra.com/images/file/vamugelum.pdf, https://soccerauquebec.com/userfiles/file/lovezajolukid.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 (18 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

9673 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
ntp.ubuntu.com
250.255.255.239.in-addr.arpa
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/fa5c4269-9d03-4a47-8d97-be6931f0b22c/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/fa5c4269-9d03-4a47-8d97-be6931f0b22c?P1=1787898364&P2=404&P3=2&P4=RLdok7%2b3runjAUhiEmkwIwYKllcd28DCZMU8qT3NgDFYz2cVrLYASzD43DqGejzCCgz6GA%2fecgDyCdk2vaRoFQ%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=1787898454&P2=404&P3=2&P4=hicRTKB16XAh2tx5zuamQumfBPQ4GcRtxefjqKy5UOfiL61lqXbbqsD7DgI72sWMjoPDOvERcPadYeSD%2fpu52A%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
23.40.52.85

Dropped files

C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - 58c8a37aee3b633a711ba3ec8cc93c388734eb04a72bc260d90090dea8f09a22
C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\8c81c5e23aa05d9e425cb27ef2b3887d.png - 891e787dce587ac59efb46a6ceb204358dc7021ff8acf68bd5e8b62355b7b8b5
root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=score+hero+unlimited
http://hftyby.com/upload_fck/file/2021-9-11/20210911215514843075.pdf
http://candientuvibra.com/images/file/vamugelum.pdf
https://soccerauquebec.com/userfiles/file/lovezajolukid.pdf
https://idroilektriki.gr/files/file/pimatanez.pdf
http://poslovniimenik.net/firme_data/files/taruvunamewifigesazipidip.pdf
https://coastalstudio.com/images/main/file/26381898686.pdf
http://asbufestival.com/uploads/FCK_files/file/dekulimabavazuselabup.pdf
http://seosanhrd.com/userfiles/file/11963392420.pdf
http://schoonhovensvrouwenkoor.nl/ckfinder/userfiles/files/48285499658.pdf
http://bowie.abwingsmd.com/uploads/files/6652191782.pdf
https://assignmentmart.com/ckfinder/userfiles/files/mipezi.pdf
http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cf344c91a9---99067004558.pdf
https://mayphotocopydogia.com/upload/files/52400342054.pdf
http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613740b4923ce---92735130318.pdf
https://wendi101.com/userfiles/file/14825176741.pdf
http://levne-pohary.cz/UserFiles/File/97886886833.pdf
http://househouse.it/userfiles/files/51419386783.pdf
https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff9e9ee7a6---36118200556.pdf
https://il-gusto.com/images/file/fowuxijalegedon.pdf
http://cuacuonnhaxuongbinhduong.com/upload/files/40218432410.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

feedproxy.google.com
hftyby.com
candientuvibra.com
soccerauquebec.com
poslovniimenik.net
coastalstudio.com
asbufestival.com
seosanhrd.com
schoonhovensvrouwenkoor.nl
bowie.abwingsmd.com
assignmentmart.com
kraljicabih.com
mayphotocopydogia.com
raduzhniy.com
wendi101.com
househouse.it
il-gusto.com
cuacuonnhaxuongbinhduong.com
www.w3.org
purl.org
ns.adobe.com
idroilektriki.gr
levne-pohary.cz
agribusiness.pk

Embedded IP addresses

172.178.240.163
162.159.142.9
52.110.12.40
48.211.4.16
4.230.171.124
52.230.60.54
74.179.77.204
135.232.92.97
72.145.35.102
203.26.79.13
20.236.44.162
52.123.128.14
52.123.252.230
51.105.71.137
48.199.12.1

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report