MALICIOUS — 71988012076.pdf
MALICIOUS — 71988012076.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:
b3de6c11e3a4e87924639e0bcb5859c0d40a11faec9c7f59d2d17c40cfa9aa71 - SHA-1:
de8b2a623484980ce85f066e44c6780dea5c0a0b - MD5:
9ae3f52a3c9a4fa8bbb17d2c318d4c2c - ssdeep:
768:CjgGzpDhoDm8LAmANrtzfmeFllzjRAURHyy7aZLyCk5z1/g9moIMRj5tffXFU:DGFFVfmeFHziiHyyGFyC2FmJ5FXFU - TLSH:
T1D931BFF381A7ED8C3A866B13AEF614A5E484CB483136A57049D4776CC4BC5FEAF00960 - Submitted as: 71988012076.pdf
- File type: pdf · Size: 42539 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 18 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/2607635c-1f49-470e-8038-1e1aa389572f/58391347036.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=spoken+english+skills+pdf, http://files.longbeachfelines.org/uploads/1/3/1/4/131407307/928704.pdf, http://files.annarboriphonerepair.com/uploads/1/3/1/3/131382955/aea9ee80f9d16.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)
9776 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
- _dosvc._tcp.local
- desktop-hsgcbep._dosvc._tcp.local
- 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
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787764108&P2=404&P3=2&P4=l5NOPbdG2jngRnX4XjfZdzyF5TPBn6Xu2mN3hpKtcT15dqyqfq5f9hKDme4daIcEjunjd9ckMximThTHy68fNw%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=1787764131&P2=404&P3=2&P4=SiFFfzz6%2bbLw3Az9p1ir8ZsLfA2YcttEPKApvFxqr84hIRWBGJZMC5Kzl9iv5zukWnjFjIBwA%2fq%2bj5ATMvxDCA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
91f8e7f491d8e1f34e0bc2a80727f6968d515ea6bbd17d00a1573d92aef1a2f8 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\a0be97bf248dac465111b2785ad79add.png -
eb907c63d62014eaa0a3c23a0f3b46b96507f27ecf5b5d3c50d6014214ada5a7 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/strik?keyword=spoken+english+skills+pdf
- http://files.longbeachfelines.org/uploads/1/3/1/4/131407307/928704.pdf
- http://files.annarboriphonerepair.com/uploads/1/3/1/3/131382955/aea9ee80f9d16.pdf
- http://saturasi.nationalhoteltoowoomba.com/uploads/1/3/1/1/131163599/gugededuduzam_nupudabo.pdf
- https://cdn.shopify.com/s/files/1/0431/9769/4109/files/70282743289.pdf
- https://cdn.shopify.com/s/files/1/0429/4931/2666/files/90154668553.pdf
- https://cdn.shopify.com/s/files/1/0435/0607/3759/files/yuri_on_ice_opening_piano_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0430/7252/0352/files/nadaratepu.pdf
- https://cdn.shopify.com/s/files/1/0433/7254/4150/files/mastering_metrics_free_download.pdf
- https://cdn.shopify.com/s/files/1/0457/3724/6876/files/math_multiplication_worksheets_4th_grade.pdf
- https://uploads.strikinglycdn.com/files/2607635c-1f49-470e-8038-1e1aa389572f/58391347036.pdf
- https://uploads.strikinglycdn.com/files/231748c0-9b28-45bc-8490-2f0d232b7a62/30241922381.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
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787764108&P2=404&P3=2&P4=l5NOPbdG2jngRnX4XjfZdzyF5TPBn6Xu2mN3hpKtcT15dqyqfq5f9hKDme4daIcEjunjd9ckMximThTHy68fNw%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=1787764131&P2=404&P3=2&P4=SiFFfzz6%2bbLw3Az9p1ir8ZsLfA2YcttEPKApvFxqr84hIRWBGJZMC5Kzl9iv5zukWnjFjIBwA%2fq%2bj5ATMvxDCA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- cctraff.ru
- files.longbeachfelines.org
- files.annarboriphonerepair.com
- saturasi.nationalhoteltoowoomba.com
- cdn.shopify.com
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 72.153.5.130
- 85.210.193.152
- 4.207.44.72
- 52.110.12.28
- 4.247.188.233
- 4.230.171.124
- 172.66.2.5
- 74.178.76.128
- 20.165.94.63
- 52.123.129.14
- 4.150.223.113
- 135.233.45.222
- 135.233.95.80
- 203.26.79.13
- 52.123.252.203
- 20.42.72.131
- 20.184.175.23
- 172.175.111.170
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report