MALICIOUS — ac1638_f885cef3326442849dd0b1c1194a3d05.pdf
MALICIOUS — ac1638_f885cef3326442849dd0b1c1194a3d05.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (80/100). 2 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
a1178c8ce935223ba55beda1f3988892e655642903658f07c16d99979aa7e4f0 - SHA-1:
e15f8b484c121896fc965722fb8f721a790dc2c1 - MD5:
757585309c9306aed652a229b9229477 - ssdeep:
768:egGzpDUPCX/VnIXQUdwpcxrbuzibONaU8qpQ/b5IAPOwABazXkDz0kN:bGFIB8ctucONZ81/0wTyzHN - TLSH:
T19A32AEF354ABDD8C7A86EB03BDEA01556049D6987137E63015C9B72CC8BC2FCAE50960 - Submitted as: ac1638_f885cef3326442849dd0b1c1194a3d05.pdf
- File type: pdf · Size: 43710 bytes
- Verdict: malicious (80/100)
Detections (2 of 54 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 80/100 is the fusion of 7 weighted signals:
- Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule
PDF.Spam.Heur.1) - 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.com/wix?keyword=2007+kia+sedona+passenger+headlight+assembly+removal, https://20333579-80fe-42b1-9df6-9700c39ab6df.filesusr.com/ugd/3eb4bd_524614f6b0c4478c925eef17b05aa24e.pdf?index=true, https://5e64eebc-16a1-4815-ae46-231a623e9cbc.filesusr.com/ugd/011e4b_64d1ddc990b54df5b796cdc16d5df12b.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 10 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
- Extracted generic config (7 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
1033 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
- searchapp.bundleassets.example
- staging.to-do.officeppe.com
- m365.cloud.microsoft
- res.public.onecdn.static.microsoft
- ntp.ubuntu.com
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- 192.168.122.114
- 23.40.52.121
- 23.40.52.174
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ttraff.com/wix?keyword=2007+kia+sedona+passenger+headlight+assembly+removal
- https://20333579-80fe-42b1-9df6-9700c39ab6df.filesusr.com/ugd/3eb4bd_524614f6b0c4478c925eef17b05aa24e.pdf?index=true
- https://5e64eebc-16a1-4815-ae46-231a623e9cbc.filesusr.com/ugd/011e4b_64d1ddc990b54df5b796cdc16d5df12b.pdf?index=true
- https://dec8ea20-27e6-4183-9f7b-2bbe9eb89d83.filesusr.com/ugd/217d68_bc164dbe4dd145a9a263e8c9fb66db4c.pdf?index=true
- https://cdn.shopify.com/s/files/1/0440/7610/5893/files/80686852340.pdf
- https://cdn.shopify.com/s/files/1/0431/6944/8096/files/90979318783.pdf
- https://cdn.shopify.com/s/files/1/0431/2583/3882/files/medical_ethics_and_deontology.pdf
- https://cdn.shopify.com/s/files/1/0439/4074/1275/files/dexugivo.pdf
- https://cdn.shopify.com/s/files/1/0432/1548/7137/files/skeletal_system_diseases_worksheet.pdf
- https://36a0d33b-c754-4a41-982b-4a25920aa854.filesusr.com/ugd/6c032c_114d470773f245d0bf94d560052c90ba.pdf?index=true
- https://3baffd62-78e3-4cec-b514-90fc62e62a0b.filesusr.com/ugd/f9d4cd_d73e61a362964a40950d44f626256ed7.pdf?index=true
- https://f9a5fe61-a548-4cb8-8712-df35ba8e8f1d.filesusr.com/ugd/143c98_f86fbf36870a4da59f66a68c9ef36575.pdf?index=true
- 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.com
- 20333579-80fe-42b1-9df6-9700c39ab6df.filesusr.com
- 5e64eebc-16a1-4815-ae46-231a623e9cbc.filesusr.com
- dec8ea20-27e6-4183-9f7b-2bbe9eb89d83.filesusr.com
- cdn.shopify.com
- 36a0d33b-c754-4a41-982b-4a25920aa854.filesusr.com
- 3baffd62-78e3-4cec-b514-90fc62e62a0b.filesusr.com
- f9a5fe61-a548-4cb8-8712-df35ba8e8f1d.filesusr.com
- www.w3.org
- purl.org
- ns.adobe.com
- res.public.onecdn.static.microsoft
Embedded IP addresses
- 162.159.142.9
- 20.42.65.94
- 74.179.77.204
- 52.110.12.48
- 4.230.171.124
- 40.99.134.18
- 74.179.71.159
- 72.154.7.105
- 92.223.78.30
- 203.26.79.13
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report