MALICIOUS — 37ec5ce3f8c845a2d2679a4ae1f2c95e305e90d5df617a60d2bb63173234498a
MALICIOUS — 37ec5ce3f8c845a2d2679a4ae1f2c95e305e90d5df617a60d2bb63173234498a is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 5 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
37ec5ce3f8c845a2d2679a4ae1f2c95e305e90d5df617a60d2bb63173234498a - SHA-1:
f2f16183036e4084b241129496ebe33c46b59807 - MD5:
03309545cceedab865b5aabfff8ae4ec - ssdeep:
1536:6pjjJxObUNKbQ7cdTWP1FUPT10okV3JNiITfO8vaHjRHMEeCL75oFq/3LhHLu:wTO4NKbQwdO5V3flNaHveCv5oubhC - TLSH:
T1C437D0F32097DC8839C69B47BE921669518AE3446472C3F40588FA3DC6B8A7C7F11C52 - Submitted as: 37ec5ce3f8c845a2d2679a4ae1f2c95e305e90d5df617a60d2bb63173234498a
- File type: pdf · Size: 73871 bytes
- Verdict: malicious (98/100)
Detections (5 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
- Trellix Stinger (McAfee): PDF/Phish-FAB!03309545CCEE
- 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/75266305-045d-402f-8621-6b945d5556a6/97722371638.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 13 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://crewmak.ru/pbw?utm_term=hepatitis+b+treatment+guidelines+2018, https://cdn-cms.f-static.net/uploads/4422631/normal_5fe8badbde093.pdf, https://japapitamamevoj.weebly.com/uploads/1/3/2/7/132740309/nuwufiz_redijafe.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 (13 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9792 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=1787820079&P2=404&P3=2&P4=PJzwb%2bSCy8HonDcuzHlWTG0z8y7%2bASc9qcxOrXANK96jmjg%2bGAFbfFWYlcKtfc9NpU8Z5%2b8UJkIlvi25nl95sA%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=1787820140&P2=404&P3=2&P4=M46pBFq9kl1kUMk45usNkdv%2b1cU4s9zedk1fV9cRO94eg4Yi%2f26JqKwlakIgA4%2bt%2bXEJspKHSS713bPJzreBVw%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\ac2ed5e4a0e5075b800789a27f4425fc.png -
2c67d9bc3a37f7f307123f2dbde7ce18958e91765b6fe09a44b5b2b2539ebdba - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
2c27d4e50cd6cf0932d31939dba48b0fe1008d2549325ab61567bcc9d19b7ef7 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://crewmak.ru/pbw?utm_term=hepatitis+b+treatment+guidelines+2018
- https://cdn-cms.f-static.net/uploads/4422631/normal_5fe8badbde093.pdf
- https://japapitamamevoj.weebly.com/uploads/1/3/2/7/132740309/nuwufiz_redijafe.pdf
- http://ziludezubeju.pbworks.com/f/how_to_get_a_bikini_body_in_2_weeks.pdf
- https://cdn-cms.f-static.net/uploads/4459323/normal_606d2cadecc71.pdf
- http://poxanoralanu.pbworks.com/w/file/fetch/144426225/dakifufabalanutudu.pdf
- http://zuvevetub.pbworks.com/w/file/fetch/144422226/spoofer_pokemon_go_android_apk.pdf
- http://lipovosufuk.pbworks.com/f/how_to_remove_duplicate_entries_in_google_sheets.pdf
- http://nijominem.pbworks.com/w/file/fetch/144709839/7786061757.pdf
- http://xivoxibuza.pbworks.com/f/78362616281.pdf
- https://uploads.strikinglycdn.com/files/75266305-045d-402f-8621-6b945d5556a6/97722371638.pdf
- http://zanuraj.pbworks.com/f/brief_answers_to_the_big_questions_in_tamil.pdf
- https://uploads.strikinglycdn.com/files/7243f996-d6d0-4d74-ae9f-39a09f93b88f/lowrance_hds_7_gen2_touch_installation_manual.pdf
- https://static.s123-cdn-static.com/uploads/4426810/normal_6009333a6f0e2.pdf
- https://moxamegok.weebly.com/uploads/1/3/3/9/133999551/4c9d6209cf3a11.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
Embedded domains
- crewmak.ru
- cdn-cms.f-static.net
- japapitamamevoj.weebly.com
- ziludezubeju.pbworks.com
- poxanoralanu.pbworks.com
- zuvevetub.pbworks.com
- lipovosufuk.pbworks.com
- nijominem.pbworks.com
- xivoxibuza.pbworks.com
- uploads.strikinglycdn.com
- zanuraj.pbworks.com
- static.s123-cdn-static.com
- moxamegok.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 4.247.188.224
- 4.230.171.124
- 20.247.185.124
- 135.233.95.144
- 74.178.240.51
- 52.123.128.14
- 52.123.252.243
- 72.153.5.129
- 203.26.79.13
- 52.123.252.223
- 172.178.240.163
- 4.209.250.170
- 52.148.114.188
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report