MALICIOUS — normal_5ffdc3ea1d1e2.pdf
MALICIOUS — normal_5ffdc3ea1d1e2.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 4 of 53 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
87f55ba434b9a09bfae1b922f1c61d73db11827898343c2808d42626748534d5 - SHA-1:
d22c23ce14a1b95a3404075e34b95169d59c3dd7 - MD5:
841494766802fcdc3af2fc78c3b1422a - ssdeep:
1536:QPlXEzg8oignaCRIyBsX+X9ezMXCZoQoieQUuqfO+EXHA8cNbB:MO0QgaCaw9OALQ9eQUpm+AHBc3 - TLSH:
T18136D0F77157DED49A83A743B9EE112CA08AD18D3130A9B54488BA3CD474EFC7E84191 - Submitted as: normal_5ffdc3ea1d1e2.pdf
- File type: pdf · Size: 67396 bytes
- Verdict: malicious (98/100)
Detections (4 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
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 98/100 is the fusion of 8 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/4408858/normal_5fc4e98f79a7c.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 17 external host(s) at runtime (3 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://trafffi.ru/123?utm_term=table+tennis+shoes+asics, https://cdn-cms.f-static.net/uploads/4383689/normal_5fbe04e57333b.pdf, https://site-1166597.mozfiles.com/files/1166597/most_popular_music_2019_youtube.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
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90 - Extracted generic config (10 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9659 behavior events · 1 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
- 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
- 250.255.255.239.in-addr.arpa
- ntp.ubuntu.com
- desktop-hsgcbep
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\9387b63cb5da9d48badec8b62d21a148.png -
4f5263cc98e84ddc9fda7c12de8dc2fb9a96f4b3f7b1d3271b0046cf8b4c658b - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
b04acada68c66d8a4f68fc6032b8ffc35972842410b11de49fb12be6bcf0adb1 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://trafffi.ru/123?utm_term=table+tennis+shoes+asics
- https://cdn-cms.f-static.net/uploads/4383689/normal_5fbe04e57333b.pdf
- https://site-1166597.mozfiles.com/files/1166597/most_popular_music_2019_youtube.pdf
- https://cdn-cms.f-static.net/uploads/4476437/normal_5fae3a66b8f17.pdf
- https://cdn-cms.f-static.net/uploads/4410953/normal_5fb283c6625cd.pdf
- https://cdn.sqhk.co/vadetegubufo/tlhhm43/can_u_watch_netflix_with_friends_online.pdf
- https://cdn.sqhk.co/pirujezexod/hfgaZih/6226712253.pdf
- https://cdn-cms.f-static.net/uploads/4383568/normal_5f9c7cd7efc19.pdf
- https://cdn.sqhk.co/ronofumito/NL5hcEG/35559598366.pdf
- https://static.s123-cdn-static.com/uploads/4408858/normal_5fc4e98f79a7c.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?P1=1787481981&P2=404&P3=2&P4=WYut%2bgLT6W3rRze751%2fqe6E5k1l3MXNf3xIWuioUsxoUl3mqB99V9HvEDd9Nk7EH9xVtu9fGcg2a687xCgWUKA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/45cd9142-6feb-4946-89e7-63e58fada30a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/45cd9142-6feb-4946-89e7-63e58fada30a?P1=1787482065&P2=404&P3=2&P4=E9RvBmEQ6fMuAoR5hhRgsTwcdF3GM7i1%2bmodl3qCTlgUY%2bUIn6QhSg%2fuMSyZFnPuKsf8zdwOD7EulhUkfwRttQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- trafffi.ru
- cdn-cms.f-static.net
- site-1166597.mozfiles.com
- cdn.sqhk.co
- static.s123-cdn-static.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 57.155.101.212
- 20.184.175.1
- 52.123.252.233
- 4.230.171.124
- 52.230.59.222
- 20.184.175.12
- 135.232.92.97
- 135.232.92.137
- 135.233.95.144
- 52.123.129.14
- 135.233.95.80
- 172.178.240.163
- 72.145.35.108
- 203.26.79.13
- 52.123.252.204
- 52.123.252.231
- 40.99.133.242
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report