MALICIOUS — 66418573510.pdf
MALICIOUS — 66418573510.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (89/100). 3 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
4bdfb380e12c967eaadbc9ddb2aa9a46d47c796f505bbfaaf2877b48ecedc312 - SHA-1:
10dcf935db41f165bc033e6415a363b01431ed9c - MD5:
00d9a8ff2c20f60c3882ebda0c928dc8 - ssdeep:
768:/gGzpD5BuoHNgyqVFYvLXzBhiTYf+b2x/iAE4/I+wSx7jcplLUCVWU6nFEI:IGF9ZHNgvOjBhihEiAtIAYLUgz6nFEI - TLSH:
T10433AEF390ABDCCC6A859F075EA61005509BC78CB532A9B42998777CC4BC6FDAF01660 - Submitted as: 66418573510.pdf
- File type: pdf · Size: 49933 bytes
- Verdict: malicious (89/100)
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 89/100 is the fusion of 8 weighted signals:
- Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule
PDF.Spam.Heur.1) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged HEUR:Trojan.Script.Generic (rule
HEUR:Trojan.Script.Generic) - engine signal, weight 0.55, confidence 0.85 - MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-blob (rule
high-entropy-blob) - engine signal, weight 0.35, confidence 0.70 - Embedded network infrastructure: https://ggtraff.ru/strik?keyword=basic+grammar+rules+for+writing+pdf, https://site-1036630.mozfiles.com/files/1036630/rasibigoxa.pdf, https://site-1036675.mozfiles.com/files/1036675/24993154410.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
- Contacted 14 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
- Extracted generic config (12 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
982 behavior events · 0 ATT&CK techniques · 1 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- to-do.office.com
- staging.to-do.officeppe.com
- m365.cloud.microsoft
- res.public.onecdn.static.microsoft
- c.pki.goog
- 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/b44b0279-d0c2-4f15-af86-e5757d0bddab/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/b44b0279-d0c2-4f15-af86-e5757d0bddab?P1=1790336070&P2=404&P3=2&P4=anc4GarT1dlMDihTQgdfQLQ4mlCe9LzEjL2S6bqo189FbPjwqPXiLY0SI4z7UteXtgMd8Hw1V495z6%2bppDlE%2bA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://c.pki.goog/r/gsr1.crl
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ggtraff.ru/strik?keyword=basic+grammar+rules+for+writing+pdf
- https://site-1036630.mozfiles.com/files/1036630/rasibigoxa.pdf
- https://site-1036675.mozfiles.com/files/1036675/24993154410.pdf
- https://site-1036815.mozfiles.com/files/1036815/36904324255.pdf
- https://site-1036649.mozfiles.com/files/1036649/vuxezudon.pdf
- http://files.megatronsarl.com/uploads/1/3/0/8/130873872/xaxeju.pdf
- http://files.rivero-zaritzky.com/uploads/1/3/1/4/131455508/melilesexoku-defibuwawim.pdf
- http://files.solopipingjudges.co.uk/uploads/1/3/1/3/131381976/bizigepawisidove.pdf
- http://fajavevaw.emilyafield.com/uploads/1/3/1/4/131437889/75f91386753c.pdf
- http://mipodis.centerofpeacefulendeavors.com/uploads/1/3/1/6/131637483/kuxagapika.pdf
- https://site-1037187.mozfiles.com/files/1037187/tenaworuzisanoxomif.pdf
- https://site-1037143.mozfiles.com/files/1037143/12497850069.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/b44b0279-d0c2-4f15-af86-e5757d0bddab/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/b44b0279-d0c2-4f15-af86-e5757d0bddab?P1=1790336070&P2=404&P3=2&P4=anc4GarT1dlMDihTQgdfQLQ4mlCe9LzEjL2S6bqo189FbPjwqPXiLY0SI4z7UteXtgMd8Hw1V495z6%2bppDlE%2bA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://c.pki.goog/r/gsr1.crl
- http://c.pki.goog/r/r4.crl
Embedded domains
- ggtraff.ru
- site-1036630.mozfiles.com
- site-1036675.mozfiles.com
- site-1036815.mozfiles.com
- site-1036649.mozfiles.com
- files.megatronsarl.com
- files.rivero-zaritzky.com
- files.solopipingjudges.co.uk
- fajavevaw.emilyafield.com
- mipodis.centerofpeacefulendeavors.com
- site-1037187.mozfiles.com
- site-1037143.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
- res.public.onecdn.static.microsoft
Embedded IP addresses
- 4.150.223.101
- 4.144.132.114
- 57.155.104.224
- 135.232.92.97
- 4.230.171.124
- 74.179.77.204
- 52.123.128.14
- 135.232.92.34
- 40.104.4.2
- 72.145.35.110
- 40.103.64.226
- 203.26.79.13
- 23.103.236.21
- 104.18.18.203
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report