MALICIOUS — normal_5f8788dae82f6.pdf
MALICIOUS — normal_5f8788dae82f6.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:
e7167df9f5ef0210d66350959417065766f913d1a3dcf66da9cf8468998d3a1d - SHA-1:
d9e6c4481b805c93f2f1baf17576c9a4cb14ade9 - MD5:
a17edee997ed1b2d15eb84c90177461d - ssdeep:
1536:yGFQeVz5Hsa3z2Q4TdEg0r1zI5Hq5uR70Q:rFQeVlHswrsV0rUHUuRT - TLSH:
T108358BF314E7EC4DBACA9B13ADEB256E158EC7486163A7800488776CD4BC67DAF10520 - Submitted as: normal_5f8788dae82f6.pdf
- File type: pdf · Size: 60025 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): HEUR:Trojan.Script.Generic
MITRE ATT&CK
Why this verdict
The malicious score of 72/100 is the fusion of 6 weighted signals:
- Contacted 21 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/f70ea58e-fdb7-4029-b2d1-243e5f9d846a/gatepelunamevelewepofini.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://gettraff.ru/123?keyword=irs+form+1041+schedule+e+instructions, https://cdn-cms.f-static.net/uploads/4366324/normal_5f8718166d966.pdf, https://cdn-cms.f-static.net/uploads/4367665/normal_5f87471329987.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)
9764 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
- 250.255.255.239.in-addr.arpa
- desktop-hsgcbep
- ntp.ubuntu.com
- 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
- 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
- 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 -
a02cd0566a85b43d002baf1f824646103b91c2d8e327f1a752d1c6cb7c51ced3 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\228d8269ddc6f00ca2e2b4ed27f10c48.png -
d8d192ad9438f827b9bb75395229f8990ac445af734577f0c422e48b4e77cd4d - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/123?keyword=irs+form+1041+schedule+e+instructions
- https://cdn-cms.f-static.net/uploads/4366324/normal_5f8718166d966.pdf
- https://cdn-cms.f-static.net/uploads/4367665/normal_5f87471329987.pdf
- https://cdn-cms.f-static.net/uploads/4365660/normal_5f872c1504232.pdf
- https://uploads.strikinglycdn.com/files/f70ea58e-fdb7-4029-b2d1-243e5f9d846a/gatepelunamevelewepofini.pdf
- https://uploads.strikinglycdn.com/files/ff50d7cb-89ca-4be1-b112-32e1df6b3f9c/fubijadovejusufobulog.pdf
- https://uploads.strikinglycdn.com/files/8ad2564a-e241-4709-b117-61e40779d254/xineviri.pdf
- https://uploads.strikinglycdn.com/files/69369f63-bb73-413f-b1c8-d123432b0cfc/33717252344.pdf
- https://uploads.strikinglycdn.com/files/582e1323-5f10-440d-b55c-69368f3a91c0/75006382529.pdf
- https://cdn.shopify.com/s/files/1/0438/4745/0789/files/98168947746.pdf
- https://cdn.shopify.com/s/files/1/0484/5030/6198/files/97807027317.pdf
- https://cdn.shopify.com/s/files/1/0479/0216/3110/files/world_history_shorts_2.pdf
- https://cdn.shopify.com/s/files/1/0431/4241/4493/files/21744699243.pdf
- https://site-1043532.mozfiles.com/files/1043532/75266268502.pdf
- https://site-1042509.mozfiles.com/files/1042509/91530435494.pdf
- https://site-1043377.mozfiles.com/files/1043377/80351553091.pdf
- https://site-1037163.mozfiles.com/files/1037163/88589210878.pdf
- https://site-1043458.mozfiles.com/files/1043458/37733013207.pdf
- https://cdn.shopify.com/s/files/1/0437/3839/8869/files/84639964222.pdf
- https://cdn.shopify.com/s/files/1/0431/7364/2389/files/phim_l_v_thut_2020.pdf
- https://cdn.shopify.com/s/files/1/0484/4116/3926/files/63788242926.pdf
- https://cdn.shopify.com/s/files/1/0500/4846/7094/files/the_6_most_important_decisions_youll_ever_make.pdf
- https://cdn.shopify.com/s/files/1/0438/9568/5288/files/fireworks_cs5_serial.pdf
- https://cdn-cms.f-static.net/uploads/4367923/normal_5f876e0c86cc4.pdf
- https://cdn-cms.f-static.net/uploads/4366325/normal_5f876051b3c6d.pdf
Embedded domains
- gettraff.ru
- cdn-cms.f-static.net
- uploads.strikinglycdn.com
- cdn.shopify.com
- site-1043532.mozfiles.com
- site-1042509.mozfiles.com
- site-1043377.mozfiles.com
- site-1037163.mozfiles.com
- site-1043458.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.168.117.169
- 72.154.7.105
- 172.172.255.218
- 4.150.223.112
- 52.123.252.248
- 48.211.4.16
- 52.110.12.18
- 4.230.171.124
- 20.165.94.46
- 52.230.59.222
- 203.26.79.13
- 20.42.65.94
- 20.236.44.162
- 74.178.76.128
- 52.123.129.14
- 40.99.133.226
- 20.165.94.63
- 92.223.78.30
- 74.178.76.44
- 104.46.162.230
- 51.116.246.105
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report