SUSPICIOUS — 28cb3e054714cea1db5022aeb6c04dc14841f45c49fc0d4de585410e8caa828c
SUSPICIOUS — 28cb3e054714cea1db5022aeb6c04dc14841f45c49fc0d4de585410e8caa828c is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (64/100). 5 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
28cb3e054714cea1db5022aeb6c04dc14841f45c49fc0d4de585410e8caa828c - SHA-1:
6a8b6bc90c753dc967eac180264426bb5f246c5d - MD5:
353a38d85130c8517070d6153480fac8 - ssdeep:
768:ClVia+eaXy4WbCGittHENolN9Bggncq35/uoat6q:CN3bbC9F8wggnuoat6q - TLSH:
T1C231BEF3214FDDAC66848F07AAB214A535DA9E847121DEA095C87BBCC23C5FD6F10621 - Submitted as: 28cb3e054714cea1db5022aeb6c04dc14841f45c49fc0d4de585410e8caa828c
- File type: pdf · Size: 40616 bytes
- Verdict: suspicious (64/100)
Detections (5 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Microsoft Defender: Trojan:PDF/Phish.CFN!MTB
- Emsisoft (Emergency Kit): PDF.Spam.Heur.2
- Trellix Stinger (McAfee): PDF/Phish-TWM!353A38D85130
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The suspicious score of 64/100 is the fusion of 5 weighted signals:
- Contacted 18 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://netcdn.xyz/app/479516143/can-you-get-minecraft-for-free-game-hack, http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/how-to-get-a-free-minecraft-server_GM479516143.pdf, http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/coin-master-free-coins-and-spins-hack_GM406889139.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 (6 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9637 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
- desktop-hsgcbep
- 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
- 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
- 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
- 252.0.0.224.in-addr.arpa
- ntp.ubuntu.com
- 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
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\c80d7ad519a35f70394f9ff18bac71fd.png -
5f4ac99fe981aea8be0f35e35a4ddbb768c8fa031cf47a942fe70eb9997e700d - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
a25f37dd935246a93e7ea30a8c6dc4995ef42614e1984070bbc5a1fc1dacf64b - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://netcdn.xyz/app/479516143/can-you-get-minecraft-for-free-game-hack
- http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/how-to-get-a-free-minecraft-server_GM479516143.pdf
- http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/coin-master-free-coins-and-spins-hack_GM406889139.pdf
- http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/daily-spins-coin-master_GM406889139.pdf
- http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/free-minecraft-server_GM479516143.pdf
- http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/free-robux-legit_GM431946152.pdf
- 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=1787835987&P2=404&P3=2&P4=V%2bEDC7CcKnIE9TBJI0kjjtGWfDhM9g%2bFEiojULdNys6LI%2bEOhmcRsAtUETUYATUtKnF2rKvvH2vehmY4Txj8sg%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=1787836005&P2=404&P3=2&P4=Obi7zMhoYEr7yLRtowSUyFojOZq3WAbdnPZ3ugKL2nvHMCRSbpV%2bDzZg0V1iAOUI%2fGQM3xgwD9jbgZfNvE13zQ%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
- http://203.26.79.13/filestreamingservice//files/b56480f9-8215-4de7-ba7e-8e690088d21d/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5?P1=1787232650&P2=404&P3=2&P4=Ng2H%2buJhpBBJVxrjBcB0MmJc1nDlo74G%2b7lnA9wl599t3NpGPjnsmqiO1jWsvnuzcYwNonDNYNPKMJa8P%2bbMtQ%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/b56480f9-8215-4de7-ba7e-8e690088d21d?P1=1787232271&P2=404&P3=2&P4=g%2fnr81%2fU4WTKBUt%2ftBXAeCbbBebKkjRJzIlyMBYtCX8%2bE63fLD1AsgB67Y8XlnYZOKbAB6iGm5a41h36jLndBw%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- netcdn.xyz
- elearning.mtsn2buleleng.sch.id
Embedded IP addresses
- 4.150.223.103
- 52.123.252.198
- 52.110.12.52
- 20.42.179.192
- 4.230.171.124
- 4.144.132.223
- 57.155.104.224
- 51.105.71.137
- 20.236.44.162
- 52.123.129.14
- 40.104.4.2
- 4.150.223.109
- 74.179.77.204
- 52.123.252.193
- 72.153.5.61
- 203.26.79.13
- 4.150.223.107
- 4.150.223.115
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report