MALICIOUS — normal_5f8759a6dec3e.pdf
MALICIOUS — normal_5f8759a6dec3e.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (92/100). 3 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
54b7b01e6b44511f6beb39a7d5ed46d3c3c8f812414408c410d93ce8c1827eee - SHA-1:
3334b7cacac41d56c75b545273b91537f28077eb - MD5:
fa6051909b95f3ac4397c350a1ef213d - ssdeep:
768:CgGzpD5ezV3cut0PBobVGaOA3BhpVi/ui15NZuoKxEXizMZNoPrSrUWISSWwX4:fGFFepX9BcpNZu/eJDoP+rUfSSWwX4 - TLSH:
T1FC33AEF360A7DC4D3ECA6B03ADBB1158918AD7887276DBA04848766CC47C5BE6F50C50 - Submitted as: normal_5f8759a6dec3e.pdf
- File type: pdf · Size: 50359 bytes
- Verdict: malicious (92/100)
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 92/100 is the fusion of 7 weighted signals:
- Embedded link rated malicious by URL analysis: https://cdn-cms.f-static.net/uploads/4365551/normal_5f870e0f37cc0.pdf - network signal, weight 0.70, confidence 0.80
- Memory forensics: 3 finding(s), e.g. RWX/private injected region in SumatraPDF.exe (pid 8172) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - Contacted 27 external host(s) at runtime (23 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://gettraff.ru/123?keyword=cambridge+primary+review+pdf, https://site-1036764.mozfiles.com/files/1036764/28167111194.pdf, https://site-1037120.mozfiles.com/files/1037120/99674563036.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 (12 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
8730 behavior events · 0 ATT&CK techniques · 2 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
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
- officeclient.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
f123585b68a6fd4329f4ee93a843cf24e7a5672bc6decfe748b0f2bbd7bde1ee - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\cb436f89d9f1a2784a2decb58b0f86f1.png -
53cd1649993ec65d46ad49409fc856c0f77f57f7509d5c253353a8bc937de21b
Embedded URLs
- https://gettraff.ru/123?keyword=cambridge+primary+review+pdf
- https://site-1036764.mozfiles.com/files/1036764/28167111194.pdf
- https://site-1037120.mozfiles.com/files/1037120/99674563036.pdf
- https://site-1041765.mozfiles.com/files/1041765/dopotuwulazulefamoven.pdf
- https://uploads.strikinglycdn.com/files/79d26a20-eca7-4403-a9a8-460267bbd96b/91360174666.pdf
- https://uploads.strikinglycdn.com/files/d0260643-df05-45fe-819d-e9368e41b461/vumefedizirore.pdf
- https://uploads.strikinglycdn.com/files/686739ca-37d8-4a2c-b292-0384dc1020c0/90106120617.pdf
- https://xebikazogede.weebly.com/uploads/1/3/2/7/132740990/vexilaxowiro.pdf
- https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/d96ddb407408.pdf
- https://riwisasivituw.weebly.com/uploads/1/3/1/0/131070703/jekowis_fuvonobux.pdf
- https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/2122744.pdf
- https://cdn-cms.f-static.net/uploads/4365551/normal_5f870e0f37cc0.pdf
- https://cdn-cms.f-static.net/uploads/4367283/normal_5f874b54b84d2.pdf
- https://cdn-cms.f-static.net/uploads/4365635/normal_5f87563dd9846.pdf
- https://cdn-cms.f-static.net/uploads/4366348/normal_5f874632d155f.pdf
- https://cdn-cms.f-static.net/uploads/4365634/normal_5f8730e55dba1.pdf
- https://tavumake.weebly.com/uploads/1/3/2/7/132740551/daxurugut.pdf
- https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/4106527.pdf
- https://cdn.shopify.com/s/files/1/0480/7481/7693/files/waunakee_high_school_schedule.pdf
- https://cdn.shopify.com/s/files/1/0495/4600/2584/files/diderutuzotokep.pdf
- https://cdn.shopify.com/s/files/1/0494/7522/3719/files/aci_301_standards.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/
Embedded domains
- gettraff.ru
- site-1036764.mozfiles.com
- site-1037120.mozfiles.com
- site-1041765.mozfiles.com
- uploads.strikinglycdn.com
- xebikazogede.weebly.com
- gimejexoxixaza.weebly.com
- riwisasivituw.weebly.com
- xojerajap.weebly.com
- cdn-cms.f-static.net
- tavumake.weebly.com
- fijojonibiw.weebly.com
- cdn.shopify.com
- www.w3.org
- purl.org
- ns.adobe.com
- oneclient.sfx.ms
Embedded IP addresses
- 203.26.79.13
- 4.150.223.103
- 4.230.171.124
- 20.42.179.204
- 4.155.95.248
- 74.179.77.204
- 104.46.162.229
- 20.165.94.46
- 74.178.240.51
- 20.112.250.133
- 52.123.128.14
- 52.123.129.14
- 20.42.65.88
- 20.50.80.215
- 135.233.45.223
- 52.123.252.193
- 52.123.252.231
- 52.123.252.226
- 48.211.4.16
- 52.148.114.188
- 52.110.12.42
- 52.110.12.32
- 72.153.5.141
- 57.155.101.212
- 20.184.175.2
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report