MALICIOUS — ef489c46964c969a7845b36cc525d3ae8ae228294b9429cb150924ca57ee30d5

MALICIOUS — ef489c46964c969a7845b36cc525d3ae8ae228294b9429cb150924ca57ee30d5 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100). 4 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

SHA-256: ef489c46964c969a7845b36cc525d3ae8ae228294b9429cb150924ca57ee30d5
SHA-1: de01d4cae20a332f52fca67cc918fa886bdd1ab0
MD5: 6bced955727e88cb100f0bc2161bdb4e
ssdeep: 1536:XOshWMCVtnTmeKn/skxr7B2+RrYj7lC6yvW8pOGEWjPY6SSZxbr1K:+4Apmhlba7lC6yOGXPSu3o
TLSH: T1F136C0F7216FDDDCBA8A8B0325EB161C6586E74C6172D790418CB2ACC5BC5BC6F58A00
Submitted as: ef489c46964c969a7845b36cc525d3ae8ae228294b9429cb150924ca57ee30d5
File type: pdf · Size: 69102 bytes
Verdict: malicious (96/100)

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 96/100 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
Contacted 19 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
Embedded link rated suspicious by URL analysis: http://asirakademi.com/resimler/files/zeliwizusukibiset.pdf - network signal, weight 0.40, confidence 0.60
Embedded network infrastructure: https://nomylo.ru/uplcv?utm_term=electricity+class+10+numericals+with+solutions, https://homeuu.biz/upload/ckeditor/pages/files/gitapuxubaxox.pdf, https://thefertilizerequipment.com/d/files/70716673398.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 (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

9550 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/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=1787821255&P2=404&P3=2&P4=JIzkd0VXnpsMGmwaBNMdgPZWNFd0clW5d85FILPITK2ZmNzBTW8X0a%2f1Mun9ZR2dItT%2bfTX%2fpwSY%2fCuCw7YFKQ%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=1787821294&P2=404&P3=2&P4=j6ExX4niKzW3OF1bcZXZzprWSWyTZu3njuA63TJ%2fVlgP4%2fyfiGWzGJU%2bcHyKk7ANWIECnqEufoidBtyKfzUg4w%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\sumatrapdfcache\2ae2900b29fc16fb77cbcf44aee00c6d.png - 18bf1467dfa161e441843bbfb3a01bf1151a11654325a7c72d76f7d03ac0acea
C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - d263e7b9c443bd348031435bc1df670cad4af7fcb3f3406d963fd6bc5427acff
root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

https://nomylo.ru/uplcv?utm_term=electricity+class+10+numericals+with+solutions
https://homeuu.biz/upload/ckeditor/pages/files/gitapuxubaxox.pdf
https://thefertilizerequipment.com/d/files/70716673398.pdf
http://asirakademi.com/resimler/files/zeliwizusukibiset.pdf
http://pengyou-english.com/FileData/ckfinder/files/20210929_43FE7BD64828B75E.pdf
http://sabancilojistik.com/userfiles/file/47010821059.pdf
http://longarmquiltacademy.net/fckeditor/userfiles/file/bogidopopokaniz.pdf
http://dajuicebarus.com/uploads/files/pobet.pdf
http://krajinar.cz/soubory/files/401696486.pdf
https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161343aa97b15f---49997911180.pdf
https://mimpishio2.net/contents/files/digilefibuf.pdf
http://scpt.it/userfiles/files/wubin.pdf
http://honeycontacts.com/uploades/userfiles/file/37996754416.pdf
http://lafiestadelmoto.cz/files/file/gisesidadowivoniniwuwowak.pdf
http://fslawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gapamewomexowu.pdf
https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16150b90f11c32---lagibilepirukuzevudolopa.pdf
http://jhdljz.com/userfiles/file/1632409290.pdf
http://slotkuda.com/contents/files/kajekisirawopuxat.pdf
http://babyindex.nl/images/uploads/91295016195.pdf
https://www.studiorosaliabusco.it/ckfinder/userfiles/files/favukumofeseninanexin.pdf
http://vegman-kzn.com/ckfinder/userfiles/files/jutagenedepakugiliximo.pdf
http://csc-020.com/userfiles/file/20210909045211_xj0aph.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/

Embedded domains

nomylo.ru
homeuu.biz
thefertilizerequipment.com
asirakademi.com
pengyou-english.com
sabancilojistik.com
longarmquiltacademy.net
dajuicebarus.com
mavismanagement.com
mimpishio2.net
scpt.it
honeycontacts.com
fslawoffice.com
jhdljz.com
slotkuda.com
babyindex.nl
www.studiorosaliabusco.it
vegman-kzn.com
csc-020.com
www.w3.org
purl.org
ns.adobe.com
krajinar.cz
lafiestadelmoto.cz

Embedded IP addresses

20.165.94.46
85.210.193.152
4.150.223.105
52.123.252.219
172.215.188.232
52.110.12.55
4.144.132.114
4.230.171.124
74.179.77.204
20.89.1.9
74.179.71.159
20.236.44.162
203.26.79.13
135.234.160.246
52.123.252.192
20.42.179.204
52.168.117.174
4.150.223.104
52.182.141.63

File paths

Z:\,6

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report