SUSPICIOUS — normal_5f8bab4e80a4f.pdf
SUSPICIOUS — normal_5f8bab4e80a4f.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (64/100). 3 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
3cb91342487c2147bd5a15162b5ee82d0020171574589a0f97c6a338eccb96be - SHA-1:
79605ecf4e20f26c4d4929ff263de67f59a41be4 - MD5:
9ec904e47215a546d39ef33282ba4cb1 - ssdeep:
768:OcgGzpDepAMvJkDxKGggx0AJ7GFrFXgU3n1LMyxkqI0JTtk4JiQwE91GygrjfsiU:eGFSpEmR3n1pzjTu4kQwAkygsi7g3 - TLSH:
T1BA307DF310D7ED4C3A8B5B23ACA715A5A189C78CA133D7A0948C777CC4B86AD7E50851 - Submitted as: normal_5f8bab4e80a4f.pdf
- File type: pdf · Size: 38672 bytes
- Verdict: suspicious (64/100)
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 suspicious score of 64/100 is the fusion of 5 weighted signals:
- Contacted 23 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://gettraff.ru/123?keyword=structural+engineering+reference+manual+9th+edition, https://cdn-cms.f-static.net/uploads/4365656/normal_5f870562dcdfe.pdf, https://cdn-cms.f-static.net/uploads/4365620/normal_5f874d9911cda.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 (9 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9694 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
- desktop-hsgcbep
- 250.255.255.239.in-addr.arpa
- ntp.ubuntu.com
- 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
- 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
- 252.0.0.224.in-addr.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
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
01114deeab03f946aef316f09aaff8fa5bf0a70af901c0dfb71fe0a601a075d9 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\914d278864e750ff307dbf067eb3d20b.png -
e91d89fbb4d7285552b7e2fdc9e44758dd47900f9bbeacc38992f2c0f50db494 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/123?keyword=structural+engineering+reference+manual+9th+edition
- https://cdn-cms.f-static.net/uploads/4365656/normal_5f870562dcdfe.pdf
- https://cdn-cms.f-static.net/uploads/4365620/normal_5f874d9911cda.pdf
- https://cdn-cms.f-static.net/uploads/4372377/normal_5f893f14cc2d2.pdf
- https://cdn-cms.f-static.net/uploads/4380072/normal_5f8b65a13f163.pdf
- https://naxedomabaxa.weebly.com/uploads/1/3/1/6/131606472/lefigulamado-wokodotoroj.pdf
- https://razesupimo.weebly.com/uploads/1/3/2/8/132815812/4663532.pdf
- https://wepeweguwerixum.weebly.com/uploads/1/3/1/8/131856135/tibadotazamixixepe.pdf
- https://kutenamig.weebly.com/uploads/1/3/0/7/130740069/2716509.pdf
- https://rakamukomegu.weebly.com/uploads/1/3/2/6/132681656/9808069.pdf
- https://pepotoxuxomupav.weebly.com/uploads/1/3/1/4/131483830/56ad63a.pdf
- https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/3029889.pdf
- https://kusebedanosude.weebly.com/uploads/1/3/1/1/131163667/zarij.pdf
- https://gogebuzavoriro.weebly.com/uploads/1/3/2/6/132681212/964028.pdf
- https://cdn-cms.f-static.net/uploads/4367923/normal_5f8b7907865f9.pdf
- https://cdn-cms.f-static.net/uploads/4375702/normal_5f89a476e32b2.pdf
- https://cdn-cms.f-static.net/uploads/4366666/normal_5f875e5f53300.pdf
- https://cdn-cms.f-static.net/uploads/4365546/normal_5f89bed2a871e.pdf
- https://migirebunimalab.weebly.com/uploads/1/3/1/3/131383914/04830c1d7ed.pdf
- https://zekuwatifakaxi.weebly.com/uploads/1/3/2/8/132815855/b6f3028c27e5.pdf
- https://zusaneji.weebly.com/uploads/1/3/0/8/130813769/kizesawurijinalax.pdf
- https://zotorakiv.weebly.com/uploads/1/3/0/7/130739478/zidopilagiliw.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/
Embedded domains
- gettraff.ru
- cdn-cms.f-static.net
- naxedomabaxa.weebly.com
- razesupimo.weebly.com
- wepeweguwerixum.weebly.com
- kutenamig.weebly.com
- rakamukomegu.weebly.com
- pepotoxuxomupav.weebly.com
- jakedekokobara.weebly.com
- kusebedanosude.weebly.com
- gogebuzavoriro.weebly.com
- migirebunimalab.weebly.com
- zekuwatifakaxi.weebly.com
- zusaneji.weebly.com
- zotorakiv.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.172.255.218
- 74.179.71.159
- 74.178.76.128
- 52.168.117.174
- 57.155.101.212
- 40.84.85.40
- 40.79.141.154
- 48.211.4.16
- 40.79.141.152
- 20.184.175.20
- 52.110.12.50
- 4.230.171.124
- 52.253.84.76
- 135.233.95.135
- 104.46.162.230
- 52.123.252.239
- 135.233.95.80
- 203.26.79.13
- 172.178.240.162
- 172.170.180.133
- 51.104.15.252
- 52.148.114.188
- 74.178.76.44
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report