MALICIOUS — normal_5f89ea2f157c1.pdf
MALICIOUS — normal_5f89ea2f157c1.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (86/100). 2 of 50 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
f523bbae954547855982314736f11315efa88e8cc5600b0a66e815b5c05c6596 - SHA-1:
e26cb7c5117e1552fbe3d5ee209573b1ba2255b8 - MD5:
11182561ead02e605d4b708e663e5aea - ssdeep:
1536:jGFwpTrWoOTJnLExqbqFFPK3bIKbHAgh4GjbbDGmWYWI3NeA:yFwpTlyEhPisKrB4GfG+dD - TLSH:
T1F338B0F3016BEC4C6AC7AF4769EA249DB41AD7887133A72014C8672CC9783AD3F50A15 - Submitted as: normal_5f89ea2f157c1.pdf
- File type: pdf · Size: 81366 bytes
- Verdict: malicious (86/100)
Detections (2 of 50 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 86/100 is the fusion of 7 weighted signals:
- Embedded link rated malicious by URL analysis: https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/9276785.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 14 external host(s) at runtime (3 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://ttraff.ru/123?keyword=syst%25C3%25A8me+international+d%2527unit%25C3%25A9s+pdf, https://uploads.strikinglycdn.com/files/1a7211b2-8441-41bf-9d9b-2197ed55395e/74137987077.pdf, https://uploads.strikinglycdn.com/files/cdd57eb4-f98d-4c47-9ef8-1216db772378/vabikitu.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
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90 - Extracted generic config (19 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9711 behavior events · 1 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
- 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
- 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
- 250.255.255.239.in-addr.arpa
- ntp.ubuntu.com
- desktop-hsgcbep._dosvc._tcp.local
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
bd3c04fa3ad3ac455650bd25e92cf05d2cec8df15bd62c03808042a9bc12ccec - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\dbc23906a2efb289f9a0ccb572375ebc.png -
80e1fa84cec6d0f520019ad02975e9bbe4661da9f35ee08e81cc979b9d8c19a8 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ttraff.ru/123?keyword=syst%25C3%25A8me+international+d%2527unit%25C3%25A9s+pdf
- https://uploads.strikinglycdn.com/files/1a7211b2-8441-41bf-9d9b-2197ed55395e/74137987077.pdf
- https://uploads.strikinglycdn.com/files/cdd57eb4-f98d-4c47-9ef8-1216db772378/vabikitu.pdf
- https://uploads.strikinglycdn.com/files/004e9414-708b-4990-ba6c-3a75772679c6/bovidupodejebogere.pdf
- https://uploads.strikinglycdn.com/files/90f224c5-bb74-4740-b240-5b9b02e23907/foriragejovazojodipot.pdf
- https://dimaxafazeza.weebly.com/uploads/1/3/1/4/131453031/8767144.pdf
- https://tipefejiri.weebly.com/uploads/1/3/0/9/130969755/65100f.pdf
- https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/9276785.pdf
- https://nitiruminaxodax.weebly.com/uploads/1/3/0/7/130738633/cf768e681479a.pdf
- https://cdn-cms.f-static.net/uploads/4366976/normal_5f8731186b7f5.pdf
- https://cdn-cms.f-static.net/uploads/4368500/normal_5f87e1d0e4c4a.pdf
- https://cdn-cms.f-static.net/uploads/4369183/normal_5f891ed4b05b5.pdf
- https://cdn-cms.f-static.net/uploads/4365547/normal_5f874624b14ec.pdf
- https://cdn-cms.f-static.net/uploads/4369660/normal_5f88d74974b15.pdf
- https://cdn-cms.f-static.net/uploads/4367665/normal_5f8765bc9dac4.pdf
- https://cdn-cms.f-static.net/uploads/4367947/normal_5f88f0b214fbc.pdf
- https://cdn-cms.f-static.net/uploads/4374373/normal_5f891152d5f9f.pdf
- https://cdn.shopify.com/s/files/1/0437/1605/1096/files/fordney_mccumber_act.pdf
- https://cdn.shopify.com/s/files/1/0484/7255/5674/files/sojigupufevex.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
- ttraff.ru
- uploads.strikinglycdn.com
- dimaxafazeza.weebly.com
- tipefejiri.weebly.com
- dutitujazekap.weebly.com
- nitiruminaxodax.weebly.com
- cdn-cms.f-static.net
- cdn.shopify.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 40.79.167.9
- 172.66.2.5
- 52.123.252.197
- 4.247.188.233
- 52.110.12.49
- 4.230.171.124
- 172.215.188.225
- 135.233.95.144
- 74.178.240.61
- 52.123.129.14
- 74.178.76.44
- 203.26.79.13
- 20.89.1.12
- 142.250.195.99
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report