MALICIOUS — ac336f2dc311a705bf4259c9187b514db1584e6a5c2de988dcfe512ef4bed4f7

MALICIOUS — ac336f2dc311a705bf4259c9187b514db1584e6a5c2de988dcfe512ef4bed4f7 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: ac336f2dc311a705bf4259c9187b514db1584e6a5c2de988dcfe512ef4bed4f7
SHA-1: 0dbfd20b6ea0a0a56093aff4dfcee34082792ead
MD5: 77e9044ed04e7df78661cd3d8f6f6ecd
ssdeep: 1536:9+UT+AHDNm8hHl86GWUQa5UOqbIMWObJ7W6pOu2GerAFIaW6kTLVSlb:Qiy6q0O5kJAu2G69VK
TLSH: T10438CFF350D7DD8C77CF9F0779EA1168604AD7882162AA905188B37C957CABDBF04640
Submitted as: ac336f2dc311a705bf4259c9187b514db1584e6a5c2de988dcfe512ef4bed4f7
File type: pdf · Size: 77025 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: http://davidhammerstein.org/ckfinder/userfiles/files/32529523460.pdf - network signal, weight 0.70, confidence 0.80
Contacted 19 external host(s) and 8 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
Embedded network infrastructure: http://davidhammerstein.org/ckfinder/userfiles/files/32529523460.pdf, http://expertcomptablecourreges.fr/michel_courreges/userfiles/file/69209665002.pdf, https://anne-berger.de/sites/anne-berger.de/files/fkcfile/44034017951.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)

9678 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/9a8a705c-852d-4d18-b32a-ee1d872f4bd9/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/9a8a705c-852d-4d18-b32a-ee1d872f4bd9?P1=1787948744&P2=404&P3=2&P4=TtjHJO5CCyK4OgjIU%2fLrWtYOXIDKmI1Z5zkR%2fFaIEmxHqi%2b0peWofFePz1%2bRlMBcXmTz5SwMtxhSLwSEZ2Uq6Q%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice//files/51d86688-616b-47e3-abeb-3df16a1583c5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/51d86688-616b-47e3-abeb-3df16a1583c5?P1=1787948782&P2=404&P3=2&P4=cUeKDPBSpXttyuMtZAJPmAnFeDO0wChZv41k%2fwMyRfPyhEGab3lQXSsKGmdjuR%2fqyd8vE0QE32u9%2fzwih9WlIQ%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

Dropped files

C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - b4b9dc79815196548f166c02b183514a44360055162fe54ad32b31e3366b54b9
C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\e8d65ae98878179a0dcd12fa34ac0c81.png - ee68b25cb806f0e706cf074b69eadea81beebe04ac42894448a19988e688e6bf
root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=conversations+with+god+2006
http://davidhammerstein.org/ckfinder/userfiles/files/32529523460.pdf
http://expertcomptablecourreges.fr/michel_courreges/userfiles/file/69209665002.pdf
https://anne-berger.de/sites/anne-berger.de/files/fkcfile/44034017951.pdf
http://medizator.ru/ckfinder/userfiles/files/51919922048.pdf
https://serrechevalier-skifun.com/imagesfile/nepuzenodatep.pdf
https://espiber.cl/images/uploadedimages/file/zaxasifokesug.pdf
http://alompar.hu/uploads/content_files/files/dewefibejugusaf.pdf
https://houstoncoinshow.org/FCKeditor/file/dokixawisopevijinubanut.pdf
https://innovativallatgyogyszer.hu/fileok/file/wuwemazilimur.pdf
http://coeb.eu/userfiles/files/43286840780.pdf
https://karpzbeldowa.pl/uploads/userfiles/files/72825615366.pdf
http://weorderfood.com/uploads/files/gelerojudi.pdf
https://www.lipca.com/ckfinder/userfiles/files/romobimoselosuma.pdf
https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/dfttbatq494jbv2k7u94gb3ei4/rugalexi.pdf
http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142259e0297e---60143107574.pdf
http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/bf7f0cad78d7b3e86c831664f8e22ca0/pajopuwivin.pdf
http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613a79383251d---lusunivukajabexidiwunivep.pdf
http://ncfc.com.tr/ckfinder/userfiles/files/vikatopuwaxuguziwelod.pdf
http://paradisetourkorea.com/FileData/ckfinder/files/20210916_5E053A3E569CBF4E.pdf
https://h016s5or78-du3.com/contents/files/jukine.pdf
https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/0d5c1018596cb3bc2cb50fb7c5ddaf77/tivotata.pdf
http://zerosquareonline.com/file/81928927583.pdf
http://www.w3.org/1999/02/22-rdf-syntax-ns#
http://purl.org/dc/elements/1.1/

Embedded domains

feedproxy.google.com
davidhammerstein.org
expertcomptablecourreges.fr
anne-berger.de
medizator.ru
serrechevalier-skifun.com
houstoncoinshow.org
coeb.eu
karpzbeldowa.pl
weorderfood.com
www.lipca.com
yourtuscanyguide.com
www.auditsi.com
compie.ru
paradisetourkorea.com
h016s5or78-du3.com
thesmithgrouphouston.com
zerosquareonline.com
www.w3.org
purl.org
ns.adobe.com
espiber.cl
alompar.hu
innovativallatgyogyszer.hu
ne-moloko.ee

Embedded IP addresses

4.150.223.106
184.84.165.136
52.123.252.213
52.110.12.54
52.110.12.37
172.215.188.232
4.230.171.124
72.154.7.98
203.26.79.13
135.233.95.144
52.123.252.223
20.236.44.162
52.123.128.14
40.99.133.242
172.178.240.161
20.42.65.93
48.200.63.27
4.150.223.99
52.148.114.188

Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report