MALICIOUS — 24825f2eab43250ea8aae8145b7931d1b60f1002d96bceba21e0c9905a37f0da
MALICIOUS — 24825f2eab43250ea8aae8145b7931d1b60f1002d96bceba21e0c9905a37f0da 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:
24825f2eab43250ea8aae8145b7931d1b60f1002d96bceba21e0c9905a37f0da - SHA-1:
33c4e9e4ada44c3d365fc97c18d6c7d05ee38c8b - MD5:
1c640a4991520a06d57fec7d6b3496ba - ssdeep:
1536:qNvkDHUjT2GliinTg5eVQRFCzuzAPPFbSTAyjPUVCtoJ9lBIe+6Occngg:wvkDUjAukkVQRFCzfOPjPUg2Ijccf - TLSH:
T1DB37D1F391D7DE8C3A876B535EA72939A48DC75CA02287A004D4775CC4AC7EE3E50980 - Submitted as: 24825f2eab43250ea8aae8145b7931d1b60f1002d96bceba21e0c9905a37f0da
- File type: pdf · Size: 76128 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!1C640A499152
- 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://static.s123-cdn-static.com/uploads/4410462/normal_5ff5a75ba7027.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 17 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://synerhu.ru/pbw?utm_term=combinatorics+and+graph+theory+techmax+pdf, https://cdn-cms.f-static.net/uploads/4462339/normal_5fd7d9306479e.pdf, https://static.s123-cdn-static.com/uploads/4410462/normal_5ff5a75ba7027.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)
9647 behavior events · 0 ATT&CK techniques · 3 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- 2.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- 252.0.0.224.in-addr.arpa
- 3.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- 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=1787812240&P2=404&P3=2&P4=lAfeKSbpw0VRmq0EkneVWOOD424m0svzUHZNuh9fRe1yDzGBwDC2ui9A1TRqAH8oxlt9toBAIntj1%2fWfjbZpYw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\6f8a5bcbb5f078435084673575588ef0.png -
ec5b4d6cfdb4bffe1cbd21abf1ecd52e2ab933587c2247f0122b9582c42fc358 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
ee93597e8612b6ecafba09ac4f277c8e0d0c1f7f564a3d29121d87fe24eaf2f3 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://synerhu.ru/pbw?utm_term=combinatorics+and+graph+theory+techmax+pdf
- https://cdn-cms.f-static.net/uploads/4462339/normal_5fd7d9306479e.pdf
- https://static.s123-cdn-static.com/uploads/4410462/normal_5ff5a75ba7027.pdf
- https://cdn-cms.f-static.net/uploads/4393639/normal_60402e01e649b.pdf
- https://cdn-cms.f-static.net/uploads/4464850/normal_604a1b022c242.pdf
- https://static.s123-cdn-static.com/uploads/4473971/normal_5fcfb2ff2c430.pdf
- https://uploads.strikinglycdn.com/files/9cb506a1-3269-402a-b72e-a149a96aacfc/case_580_super_k_backhoe_service_manual.pdf
- https://cdn-cms.f-static.net/uploads/4414152/normal_60321cabbae51.pdf
- https://cdn-cms.f-static.net/uploads/4424682/normal_5fd84cd172ef1.pdf
- https://static.s123-cdn-static.com/uploads/4377704/normal_5fefdd9a85620.pdf
- https://cdn-cms.f-static.net/uploads/4366057/normal_602a2d6edb57c.pdf
- https://cdn-cms.f-static.net/uploads/4421764/normal_6009bf37bfe6b.pdf
- https://cdn-cms.f-static.net/uploads/4451760/normal_5fe8666367ba4.pdf
- https://uploads.strikinglycdn.com/files/2309f306-57bb-4c42-a994-c41c7373739b/libro_de_espaol_de_segundo_grado_de_secundaria_contestado_2020.pdf
- https://static.s123-cdn-static.com/uploads/4376382/normal_5fe04fbe72e93.pdf
- https://static.s123-cdn-static.com/uploads/4469847/normal_5fc84407320ff.pdf
- https://cdn-cms.f-static.net/uploads/4366040/normal_60268bca2d4a8.pdf
- https://cdn-cms.f-static.net/uploads/4490542/normal_5fd0e5e5d0949.pdf
- https://uploads.strikinglycdn.com/files/cf53c8a0-07a3-4306-976e-cb0cbdc2b462/which_mixer_attachment_for_pastry.pdf
- https://cdn-cms.f-static.net/uploads/4423732/normal_60381c448d91a.pdf
- https://cdn-cms.f-static.net/uploads/4407818/normal_6056c45388eda.pdf
- https://cdn-cms.f-static.net/uploads/4460463/normal_600c14fb5871d.pdf
- https://cdn-cms.f-static.net/uploads/4450724/normal_6030ec7cf2312.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
Embedded domains
- synerhu.ru
- cdn-cms.f-static.net
- static.s123-cdn-static.com
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 162.159.142.9
- 74.178.240.61
- 20.42.73.30
- 92.223.78.30
- 52.123.252.245
- 125.56.205.11
- 20.247.184.142
- 72.154.7.108
- 203.26.79.13
- 74.178.240.51
- 52.123.128.14
- 40.99.133.226
- 40.99.134.18
- 172.178.240.162
- 20.165.94.46
- 52.168.117.175
- 4.150.223.105
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report