MALICIOUS — b8c837_cc2a3a36ddc444128d8eb7587f59a267.pdf
MALICIOUS — b8c837_cc2a3a36ddc444128d8eb7587f59a267.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (89/100). 3 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
1f2fa7e6d44fed49ab03e382c900474d287fd4c0fb436a41608211e452d55205 - SHA-1:
7b335c6f4ad6003b7fdc512538814bc1be601d25 - MD5:
0851c19dc2c4958ef42e06f1197e65bb - ssdeep:
768:MgGzpDtKWk27D5mOj/zxS9JsgA6PxbKplfK8k270UsEBeG:JGFRXgXbKplfKv2gVEBeG - TLSH:
T16D32ADF340A7ED4C7A86DF072AAA145E9145DA486162AB7851CC3B7CC9F83BC7F50920 - Submitted as: b8c837_cc2a3a36ddc444128d8eb7587f59a267.pdf
- File type: pdf · Size: 43305 bytes
- Verdict: malicious (89/100)
Detections (3 of 54 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://ttraff.link/wix?keyword=statistics+for+management+pdf, https://349ccfdd-819c-4a35-b9b6-9404475a5e36.filesusr.com/ugd/154db6_018e0cf3f1f6434a8c8fbcfdbba80286.pdf?index=true, https://88a72adb-7e4e-484f-b6ed-54da16d37435.filesusr.com/ugd/143c98_95889a16c6ec4852a63a0db84d6429b2.pdf?index=true - 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 4 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
- Extracted generic config (8 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
992 behavior events · 0 ATT&CK techniques · 1 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- searchapp.bundleassets.example
- teams.cloud.microsoft
- ntp.ubuntu.com
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- 23.40.52.85
- 23.11.37.157
- 192.168.122.116
- 20.190.167.148
- 23.33.238.188
- 150.171.22.17
- 52.123.252.225 AU · Sydney · AS8075 Microsoft Corporation
- 52.123.128.14 US · Redmond · AS8075 Microsoft Corporation
- 135.233.95.80 US · Des Moines · AS8075 Microsoft Limited
- 23.33.238.194
- 224.0.0.252
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ttraff.link/wix?keyword=statistics+for+management+pdf
- https://349ccfdd-819c-4a35-b9b6-9404475a5e36.filesusr.com/ugd/154db6_018e0cf3f1f6434a8c8fbcfdbba80286.pdf?index=true
- https://88a72adb-7e4e-484f-b6ed-54da16d37435.filesusr.com/ugd/143c98_95889a16c6ec4852a63a0db84d6429b2.pdf?index=true
- https://4c27d1a8-8b44-4868-a251-12d7c54c7d35.filesusr.com/ugd/d43733_c03c3c44f35a4fc89c0ac7fc0b0a81d7.pdf?index=true
- http://files.hddwoodcraft.com/uploads/1/3/1/4/131406036/7295530.pdf
- http://files.revivalfamily.ca/uploads/1/3/1/6/131636951/8420405.pdf
- http://files.oregoncarehome.com/uploads/1/3/0/9/130969220/paferir.pdf
- https://cdn.shopify.com/s/files/1/0432/1758/4285/files/52084384048.pdf
- https://cdn.shopify.com/s/files/1/0435/9146/7176/files/turedobulotimotunati.pdf
- https://cdn.shopify.com/s/files/1/0432/2358/0831/files/telecharger_alphabet_russe.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/doworefobose.pdf
- https://cdn.shopify.com/s/files/1/0431/7757/4562/files/wopuvaz.pdf
- https://cdn.shopify.com/s/files/1/0435/5352/1823/files/gukawoxosadikiwunijukotuv.pdf
- https://cdn.shopify.com/s/files/1/0435/7105/2707/files/95204444770.pdf
- https://www.cancer.gov/coronavirus
- 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
Embedded domains
- ttraff.link
- 349ccfdd-819c-4a35-b9b6-9404475a5e36.filesusr.com
- 88a72adb-7e4e-484f-b6ed-54da16d37435.filesusr.com
- 4c27d1a8-8b44-4868-a251-12d7c54c7d35.filesusr.com
- files.hddwoodcraft.com
- files.revivalfamily.ca
- files.oregoncarehome.com
- cdn.shopify.com
- www.cancer.gov
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.123.252.225
- 52.123.128.14
- 135.233.95.80
- 162.159.36.2
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report