MALICIOUS — 66d81a94e197f860b7d1538dad7304e3dff57e0cec80e82959935fec93be9dcd
MALICIOUS — 66d81a94e197f860b7d1538dad7304e3dff57e0cec80e82959935fec93be9dcd is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 4 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
66d81a94e197f860b7d1538dad7304e3dff57e0cec80e82959935fec93be9dcd - SHA-1:
bf668cbac7c2609bf164e7526607bb2c4b90458b - MD5:
8765c8ff5bb642f1c03933efe829f0fa - ssdeep:
1536:hnM55yRXqYANofRd7BXbRroo0FcK/25szI0/hXlkW2b7VQMerG7iIWCfbZftP7dL:1M5qaFifP7BXbGoc25szI0/hXlS1QrGN - TLSH:
T1D739C0F3206FCD8C76E7AB43A5E601ADA09ED7883122EB5191847B6D84BC1BD7F10512 - Submitted as: 66d81a94e197f860b7d1538dad7304e3dff57e0cec80e82959935fec93be9dcd
- File type: pdf · Size: 86442 bytes
- Verdict: malicious (98/100)
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 98/100 is the fusion of 9 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 - 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://kozhikodedeaf.org/admin/my_files/file/62029189588.pdf, http://downtowncincyhotels.com/core_degree/admin/images/cms_imagesfiles/wobiwavedekadomedewu.pdf, https://ezokniga.com/uploads/file/83143649297.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 10 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
- Extracted generic config (19 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
1221 behavior events · 0 ATT&CK techniques · 1 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- ntp.ubuntu.com
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- 23.40.52.209
- 23.11.37.157
- 20.190.142.164
- 20.190.167.20
- 52.123.252.241 AU · Sydney · AS8075 Microsoft Corporation
- 23.198.40.44
- 52.110.12.2 AU · Sydney · AS8075 Microsoft Corporation
- 4.230.171.124 KR · Seoul · AS8075 Microsoft Corporation
- 23.33.238.209
- 20.190.167.66
- 52.230.59.222 SG · Singapore · AS8075 Microsoft Corporation
- 23.33.238.105
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=android+recently+deleted+folder
- https://kozhikodedeaf.org/admin/my_files/file/62029189588.pdf
- http://downtowncincyhotels.com/core_degree/admin/images/cms_imagesfiles/wobiwavedekadomedewu.pdf
- https://ezokniga.com/uploads/file/83143649297.pdf
- http://wonsakai.com/uploads/files/silegowitizibawa.pdf
- https://triosms.com/userfiles/file/xesetelipanawalusobofida.pdf
- https://argumentua.com/i/file/buripanomugidi.pdf
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/0c64906ddf3ad656f6ccb00f1f15f8a8/kidofesizeripagefevokebu.pdf
- http://dreamwith.gni.kr/ckupload/files/29808151832.pdf
- http://140.121.161.111/ckfinder/userfiles/files/reduvefep.pdf
- https://fpcofmacon.com/nbloom/fckuploads/file/matoz.pdf
- http://perilatomsk.ru/ckfinder/userfiles/files/37444299611.pdf
- http://rovitek.com/userfiles/file/sawuludajujuxikesudovu.pdf
- http://tobn56.com/UpFiles/file/20837292722.pdf
- https://sitycare.com/FCK-UserFiles/files/tutapejugavamaniperevuke.pdf
- http://mail-ex.net/userfiles/file/6707093862.pdf
- http://www.anjhimayath.com/upload/file/66799981673.pdf
- http://secretsocietygroup.com/temp/vinney/HTML/userfiles/file/totetujumanozifedozo.pdf
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/384e70bc0d238d92351ecd74ac6e7d82/60807897340.pdf
- https://eol.org.pe/ckfinder/userfiles/files/jumudopukupivow.pdf
- http://macierz-grodziec.org/files/file/divukirusekerekawufag.pdf
- https://armenia4d.com/contents/files/sikabadereniri.pdf
- http://asid.rw/userfiles/file/vafakoj.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
Embedded domains
- feedproxy.google.com
- kozhikodedeaf.org
- downtowncincyhotels.com
- ezokniga.com
- wonsakai.com
- triosms.com
- argumentua.com
- dmddsgn.com
- dreamwith.gni.kr
- fpcofmacon.com
- perilatomsk.ru
- rovitek.com
- tobn56.com
- sitycare.com
- mail-ex.net
- www.anjhimayath.com
- secretsocietygroup.com
- formapolis.it
- macierz-grodziec.org
- armenia4d.com
- www.w3.org
- purl.org
- ns.adobe.com
- eol.org.pe
- asid.rw
Embedded IP addresses
- 140.121.161.111
- 20.42.73.26
- 52.123.252.241
- 52.110.12.2
- 4.230.171.124
- 52.230.59.222
- 172.64.154.167
- 4.150.223.111
- 4.150.223.103
- 72.145.35.98
- 52.148.114.188
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report