MALICIOUS — normal_5f87c603120c8.pdf
MALICIOUS — normal_5f87c603120c8.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (72/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
1a3004b2e13a5b6416e8ade521b0eae7b927527467ce3e1d8b20877b9c318111 - SHA-1:
8fa980f5b92ec84d1055f82a4877828f2f348a29 - MD5:
575af48fd2d03a2ff575dea26498dc2f - ssdeep:
768:5gGzpDYpbadvSevm1rtWwb8sKIKijAoZZ7eInWqUrUAhUrDVBMsfRkW+qw:6GFkpWWN7NZ1XnWqaUAhUrDQY+qw - TLSH:
T1F4339DF30097DC8C7AC7AB43AEEA19596089CB8912329B604588377DD47C7BE7E50621 - Submitted as: normal_5f87c603120c8.pdf
- File type: pdf · Size: 50613 bytes
- Verdict: malicious (72/100)
Detections (3 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Kaspersky (KVRT): HEUR:Trojan.Script.Generic
MITRE ATT&CK
Why this verdict
The malicious score of 72/100 is the fusion of 6 weighted signals:
- Contacted 22 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/e5dc20ce-72d0-4166-a391-c67b150a7a8c/zanimidozubivif.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/123?keyword=operating+system+pdf+notes, https://site-1042587.mozfiles.com/files/1042587/fasewirezuxoxumudawod.pdf, https://site-1036876.mozfiles.com/files/1036876/47729055219.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 (12 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9649 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
- 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
- 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
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\fb9d05eed263126b2ebb3cfea7a57ffd.png -
9747d157f7225a771a7079a2a7e0bdc79788b230c13641bc41f952ec224a22d6 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
c57e747a7e09496b53946b16ac2b13a7f218f0a759c3619be80a19aaf78bd9bb - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=operating+system+pdf+notes
- https://site-1042587.mozfiles.com/files/1042587/fasewirezuxoxumudawod.pdf
- https://site-1036876.mozfiles.com/files/1036876/47729055219.pdf
- https://site-1042199.mozfiles.com/files/1042199/kizofodekutu.pdf
- https://site-1038743.mozfiles.com/files/1038743/45740430188.pdf
- https://site-1038345.mozfiles.com/files/1038345/bozobufokas.pdf
- https://uploads.strikinglycdn.com/files/e5dc20ce-72d0-4166-a391-c67b150a7a8c/zanimidozubivif.pdf
- https://uploads.strikinglycdn.com/files/dfcba018-8ec9-4bc6-b062-956ecae4647a/xukupowi.pdf
- https://uploads.strikinglycdn.com/files/c19d06a7-91ae-4d88-8aa9-2d1b30dd2b63/sakutagavovebuparomubage.pdf
- https://site-1036734.mozfiles.com/files/1036734/gitebupeb.pdf
- https://site-1041286.mozfiles.com/files/1041286/penevusamojomumebomivana.pdf
- https://site-1038322.mozfiles.com/files/1038322/mixevenegogazo.pdf
- https://cdn.shopify.com/s/files/1/0481/3655/2601/files/downward_rotation_of_scapula_muscles.pdf
- https://cdn.shopify.com/s/files/1/0440/7413/9813/files/square_waves_dangerous_why.pdf
- https://cdn.shopify.com/s/files/1/0438/6285/1749/files/land_of_the_lost_1991_sleestak.pdf
- https://cdn.shopify.com/s/files/1/0435/1541/2632/files/giwubenexisanufaguj.pdf
- https://cdn.shopify.com/s/files/1/0437/4154/4599/files/92057005945.pdf
- https://rolosakuzorega.weebly.com/uploads/1/3/1/3/131379035/jetapotud.pdf
- https://tipefejiri.weebly.com/uploads/1/3/0/9/130969755/lixudefanup.pdf
- https://wuwenivavubujer.weebly.com/uploads/1/3/1/4/131437756/rubul.pdf
- https://cdn.shopify.com/s/files/1/0266/9327/1745/files/werowafapam.pdf
- https://cdn.shopify.com/s/files/1/0500/9434/2309/files/vanoliwudulemapajudeba.pdf
- https://cdn.shopify.com/s/files/1/0482/8761/3096/files/infinity_pistol_borderlands_2_glitch.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
Embedded domains
- cctraff.ru
- site-1042587.mozfiles.com
- site-1036876.mozfiles.com
- site-1042199.mozfiles.com
- site-1038743.mozfiles.com
- site-1038345.mozfiles.com
- uploads.strikinglycdn.com
- site-1036734.mozfiles.com
- site-1041286.mozfiles.com
- site-1038322.mozfiles.com
- cdn.shopify.com
- rolosakuzorega.weebly.com
- tipefejiri.weebly.com
- wuwenivavubujer.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.110.12.22
- 135.232.92.137
- 20.89.1.8
- 40.79.163.154
- 72.154.7.105
- 51.132.193.105
- 20.184.175.22
- 20.42.73.28
- 4.230.171.124
- 85.210.193.152
- 52.230.60.54
- 74.178.76.128
- 135.233.95.135
- 20.231.239.246
- 40.103.64.226
- 52.123.129.14
- 40.103.64.242
- 135.233.45.223
- 20.165.94.46
- 203.26.79.13
- 52.123.252.244
- 92.223.78.30
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report