MALICIOUS — 40673772618.pdf
MALICIOUS — 40673772618.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (84/100). 2 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
c4ceb31233b2bc21dd934c36126fb9d9facb6448576772f35e91a6d985cfa31e - SHA-1:
6f30e0cd6d23608221816147b353f8b088bace53 - MD5:
737e27eb16533ae06d3ad0efe9f312d1 - ssdeep:
768:NgGzpDsXmf/N66t6gVawkRAGMfwT0RfgD:uGFoUN66NVvkpMf60RfgD - TLSH:
T1FF31AEF740ABED4CB9869B135ED61198928FD78DA07392A408D97B7DD07C6BC3E01920 - Submitted as: 40673772618.pdf
- File type: pdf · Size: 42687 bytes
- Verdict: malicious (84/100)
Detections (2 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
MITRE ATT&CK
Why this verdict
The malicious score of 84/100 is the fusion of 6 weighted signals:
- Embedded link rated malicious by URL analysis: https://uploads.strikinglycdn.com/files/a8a530ec-99c3-46d9-aef5-374cc876691d/vatijuzabiv.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 15 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://ggtraff.ru/strik?keyword=degrees+of+adjectives+worksheets+for+grade+2+pdf, https://site-1036783.mozfiles.com/files/1036783/36656280572.pdf, https://site-1036862.mozfiles.com/files/1036862/98604873138.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 (15 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9809 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
- 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
- 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
- desktop-hsgcbep
- 255.255.254.169.in-addr.arpa
- 79.243.254.169.in-addr.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
- ntp.ubuntu.com
- 250.255.255.239.in-addr.arpa
- http://www.msftconnecttest.com/connecttest.txt
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\3559ad122d8cfd81bff0eca034641ac6.png -
4adb1cf18c4c2f4d0e2ebaf664b51cfb802272b8f996aeac481a3dce75fc5c80 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
cdcbed87678dd45aaeb6b7bdb4acbbfb595bb394c82a272915206eef7c86b16d - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ggtraff.ru/strik?keyword=degrees+of+adjectives+worksheets+for+grade+2+pdf
- https://site-1036783.mozfiles.com/files/1036783/36656280572.pdf
- https://site-1036862.mozfiles.com/files/1036862/98604873138.pdf
- https://site-1036699.mozfiles.com/files/1036699/jumepukikugejugi.pdf
- https://site-1036869.mozfiles.com/files/1036869/visimisuboweso.pdf
- https://uploads.strikinglycdn.com/files/a8a530ec-99c3-46d9-aef5-374cc876691d/vatijuzabiv.pdf
- https://uploads.strikinglycdn.com/files/ec7a1c29-4d31-4f0e-982e-f1ed62bb2fbb/fasiwonugun.pdf
- https://site-1036621.mozfiles.com/files/1036621/28125025159.pdf
- https://site-1036680.mozfiles.com/files/1036680/20422433227.pdf
- https://site-1036969.mozfiles.com/files/1036969/lazudupis.pdf
- https://site-1036880.mozfiles.com/files/1036880/67605296139.pdf
- https://site-1036883.mozfiles.com/files/1036883/13052139374.pdf
- https://site-1036869.mozfiles.com/files/1036869/karaxonevovorepe.pdf
- https://site-1037909.mozfiles.com/files/1037909/vemawuloziduzamow.pdf
- https://site-1036772.mozfiles.com/files/1036772/xavufu.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
- ggtraff.ru
- site-1036783.mozfiles.com
- site-1036862.mozfiles.com
- site-1036699.mozfiles.com
- site-1036869.mozfiles.com
- uploads.strikinglycdn.com
- site-1036621.mozfiles.com
- site-1036680.mozfiles.com
- site-1036969.mozfiles.com
- site-1036880.mozfiles.com
- site-1036883.mozfiles.com
- site-1037909.mozfiles.com
- site-1036772.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 74.178.232.29
- 52.168.112.67
- 57.155.101.212
- 52.110.12.46
- 52.253.84.76
- 4.230.171.124
- 135.233.95.135
- 74.179.77.204
- 52.123.129.14
- 40.99.133.226
- 4.150.223.112
- 172.178.240.162
- 72.153.5.97
- 203.26.79.13
- 20.42.65.88
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report