MALICIOUS — normal_5f871e49e6623.pdf
MALICIOUS — normal_5f871e49e6623.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (72/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
d41288e7d32cf7b76b0a16954bda079b6c0e5e070f4313e01cfedfaa931d7c07 - SHA-1:
117e6a58f346d7ca1e3339fdb43e552484d9002c - MD5:
1e175e8898554795274d0262d559f751 - ssdeep:
768:5gGzpDbpBnK40tO78+Vn4RaxCql5m+QHn2ckLSm7mNnYb:6GFvpMu4UBlEHn2OVNnYb - TLSH:
T1EA2F7CF350A7ED8C7687AB03ADAB1195518ED38C2037E720949C772DD07C6BEAE10960 - Submitted as: normal_5f871e49e6623.pdf
- File type: pdf · Size: 34899 bytes
- Verdict: malicious (72/100)
Detections (3 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Kaspersky (KVRT): UDS:Trojan.PDF.SBadur.gen
MITRE ATT&CK
Why this verdict
The malicious score of 72/100 is the fusion of 6 weighted signals:
- Contacted 20 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/9c6ea5e2-5054-4621-8dd9-bda8769597bc/91304588301.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/123?keyword=diehard+manual+battery+charger+instructions, https://uploads.strikinglycdn.com/files/9c6ea5e2-5054-4621-8dd9-bda8769597bc/91304588301.pdf, https://uploads.strikinglycdn.com/files/74e210d7-fbe6-4bb5-a79b-823deebe2ab8/buvewuzozasi.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
- Extracted generic config (14 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9596 behavior events · 0 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
- c.pki.goog
- 250.255.255.239.in-addr.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
- desktop-hsgcbep
- 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
- ntp.ubuntu.com
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\673257c7f9489ace62bbb2e6f1eea075.png -
8a94abb89083912eb856b8d0ef1aa10bf774359acd91252842e09f633d80d8a6 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
6f559151af56cf873d639b40079532f46656ed9168d4980952fca033b96d0f16 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=diehard+manual+battery+charger+instructions
- https://uploads.strikinglycdn.com/files/9c6ea5e2-5054-4621-8dd9-bda8769597bc/91304588301.pdf
- https://uploads.strikinglycdn.com/files/74e210d7-fbe6-4bb5-a79b-823deebe2ab8/buvewuzozasi.pdf
- https://uploads.strikinglycdn.com/files/75553d57-39a4-4d52-9a93-cb11f33eb4b0/86500298820.pdf
- https://cdn-cms.f-static.net/uploads/4366010/normal_5f8703aa8f690.pdf
- https://cdn-cms.f-static.net/uploads/4365567/normal_5f8704a7af8f6.pdf
- https://cdn-cms.f-static.net/uploads/4365652/normal_5f870366e0e51.pdf
- https://cdn.shopify.com/s/files/1/0484/1052/5853/files/macbook_air_keyboard_cover_2019.pdf
- https://cdn.shopify.com/s/files/1/0484/5597/5062/files/98725757901.pdf
- https://site-1040885.mozfiles.com/files/1040885/75423207865.pdf
- https://site-1039127.mozfiles.com/files/1039127/bibutivirawebukijomowisu.pdf
- https://site-1043793.mozfiles.com/files/1043793/29846033012.pdf
- https://tajurasexir.weebly.com/uploads/1/3/1/6/131606020/6897437.pdf
- https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/xojajuv-mitegejitokuxig.pdf
- https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/likanutavorolebonat.pdf
- https://uploads.strikinglycdn.com/files/f2b9a382-94aa-4505-9f49-6ac944737cc6/4738528395.pdf
- https://uploads.strikinglycdn.com/files/8e2971ef-207b-4414-8fe5-c4b36d8a52c4/57176417782.pdf
- https://uploads.strikinglycdn.com/files/096aa27b-bb63-4157-998d-f115146a0ff9/nadef.pdf
- https://uploads.strikinglycdn.com/files/5533df92-7db2-4faf-ba6d-61470365d35c/81655183129.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/
Embedded domains
- cctraff.ru
- uploads.strikinglycdn.com
- cdn-cms.f-static.net
- cdn.shopify.com
- site-1040885.mozfiles.com
- site-1039127.mozfiles.com
- site-1043793.mozfiles.com
- tajurasexir.weebly.com
- gimejexoxixaza.weebly.com
- jakedekokobara.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 20.184.175.4
- 172.172.255.217
- 57.154.63.210
- 74.178.240.61
- 74.178.232.29
- 20.42.65.89
- 104.208.16.94
- 52.110.12.15
- 52.110.12.37
- 4.230.171.124
- 135.232.92.34
- 135.232.92.97
- 72.153.5.140
- 203.26.79.13
- 40.99.134.2
- 52.123.129.14
- 20.42.65.93
- 135.232.92.137
- 4.150.223.96
- 172.217.25.163
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report