MALICIOUS — cf5aa9_4ee0828f9c244550b94ae8b7c120ba2f.pdf
MALICIOUS — cf5aa9_4ee0828f9c244550b94ae8b7c120ba2f.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:
3a64d46f463780986c67f81380f3327e51af37de86824204981520a368c25660 - SHA-1:
bdef92d1a2a45b9a39bf51bb1a434f24feefc875 - MD5:
f4fdfd5617393b2ea314ae1f92a59eb5 - ssdeep:
768:igGzpDfcVyap2PZhngrmAoBY/VrD4FTmlbXr+6Sfp4Nrbl3C7vgSITg:/GFrZRhgrmAuY/JD4lml766SQPl3CLgM - TLSH:
T13331AEF36077DD8C25C39B136BA61869A19ADBCC6033A23418D8376DD4B83FD5E40A61 - Submitted as: cf5aa9_4ee0828f9c244550b94ae8b7c120ba2f.pdf
- File type: pdf · Size: 43234 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.com/wix?keyword=ffxiv+how+to+leave+free+company, https://cdn.shopify.com/s/files/1/0432/5005/7373/files/aggregate_crushing_value_test_procedure.pdf, https://cdn.shopify.com/s/files/1/0430/6770/3450/files/d-_kefs_manual.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 10 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
- Extracted generic config (9 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
1034 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
- 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
- inference.location.live.net
- ntp.ubuntu.com
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- 23.40.52.209
- 23.11.37.157
- 40.126.14.163
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ttraff.com/wix?keyword=ffxiv+how+to+leave+free+company
- https://cdn.shopify.com/s/files/1/0432/5005/7373/files/aggregate_crushing_value_test_procedure.pdf
- https://cdn.shopify.com/s/files/1/0430/6770/3450/files/d-_kefs_manual.pdf
- https://cdn.shopify.com/s/files/1/0464/5286/7240/files/soundcloud_er_apk_for_pc.pdf
- http://files.art2shift.com/uploads/1/3/1/3/131398125/dubuwanuveluveloduli.pdf
- http://bapoxozi.thaispawellnesscenter.com/uploads/1/3/2/6/132680921/1250149.pdf
- http://povazul.ggsdesigns.net/uploads/1/3/1/0/131070197/464d6b545b02a1b.pdf
- http://files.apricitypress.com/uploads/1/3/1/4/131409442/soragerigov.pdf
- http://fowel.madridmanor.com/uploads/1/3/2/6/132681411/xutuzarixaku.pdf
- https://925395ae-2e93-49e0-a102-3ed5d468b554.filesusr.com/ugd/aef5b7_f3d02f2652944350adaa09c13ab10d2b.pdf?index=true
- https://a94f5f6c-62be-48e9-b8f5-3e552a1b4a28.filesusr.com/ugd/3a38e0_b0a954e8abdd484ab72b4b332a278bbf.pdf?index=true
- https://8147ce18-b5a2-4da1-acde-acae8406dede.filesusr.com/ugd/58a813_d4dc4ca0a3c54faf8ce330b15d344de0.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
- cdn.shopify.com
- files.art2shift.com
- bapoxozi.thaispawellnesscenter.com
- povazul.ggsdesigns.net
- files.apricitypress.com
- fowel.madridmanor.com
- 925395ae-2e93-49e0-a102-3ed5d468b554.filesusr.com
- a94f5f6c-62be-48e9-b8f5-3e552a1b4a28.filesusr.com
- 8147ce18-b5a2-4da1-acde-acae8406dede.filesusr.com
- www.w3.org
- purl.org
- ns.adobe.com
- res.public.onecdn.static.microsoft
Embedded IP addresses
- 52.123.128.14
- 135.232.92.137
- 40.99.133.242
- 20.112.250.133
- 23.103.236.33
- 104.18.18.203
- 40.84.97.4
- 85.210.196.11
- 4.230.171.124
- 52.168.117.168
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report