MALICIOUS — normal_5f8c86a5eae77.pdf
MALICIOUS — normal_5f8c86a5eae77.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (86/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
0c9c397f74eb08436d854c373813db9329f2fc0fdc698eaa74c5ec0613b38cdc - SHA-1:
ffc03dc4a7e410c11de3c3a9906cecaa43810e62 - MD5:
20e51f85414ea2143dcf4aa3014707ec - ssdeep:
768:f5gGzpDwp0+BhsAUA9+ZhfJwieR7L7A2jHt7thCINw4V2YHbatZhdZkrhzuZsPYl:iGFkprfhCAN2Y7aLhzkrhaOPYDh - TLSH:
T1B6329EF350A7ED8C7A8A9B036EAB01599189D6CE2037D6905488272CD0BC6FD7F40A75 - Submitted as: normal_5f8c86a5eae77.pdf
- File type: pdf · Size: 44461 bytes
- Verdict: malicious (86/100)
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 86/100 is the fusion of 7 weighted signals:
- Memory forensics: 3 finding(s), e.g. RWX/private injected region in SumatraPDF.exe (pid 7700) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - Contacted 15 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/7a206980-e5bf-4ed2-98de-092f6886b3d3/93188064102.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://ttraff.cc/123?keyword=share+android+screen+to+pc+wifi, https://uploads.strikinglycdn.com/files/7a206980-e5bf-4ed2-98de-092f6886b3d3/93188064102.pdf, https://uploads.strikinglycdn.com/files/5904df8c-4049-4c9e-b516-f018d729584e/surawifotujusosul.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 (11 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9693 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
- ntp.ubuntu.com
- 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
- 255.255.254.169.in-addr.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
- 79.243.254.169.in-addr.arpa
- http://www.msftconnecttest.com/connecttest.txt
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\818a051b55d8f746d7daec1457e48eb7.png -
745d05cc95a8959856ded66d2961f0f6b31fb408d901c666971e4123aa913c3f - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
f5f3699ac85a73a6a065927fde6c0d4f36e1b21206de2d0934d53f623c7bf88f - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ttraff.cc/123?keyword=share+android+screen+to+pc+wifi
- https://uploads.strikinglycdn.com/files/7a206980-e5bf-4ed2-98de-092f6886b3d3/93188064102.pdf
- https://uploads.strikinglycdn.com/files/5904df8c-4049-4c9e-b516-f018d729584e/surawifotujusosul.pdf
- https://uploads.strikinglycdn.com/files/56aaa8b5-6730-416a-8044-0c96e5aa942d/23309522487.pdf
- https://babikovinemixe.weebly.com/uploads/1/3/1/8/131856339/2540998.pdf
- https://cdn.shopify.com/s/files/1/0435/5827/3183/files/96433413470.pdf
- https://cdn.shopify.com/s/files/1/0502/9992/8741/files/village_of_bedford_park_jobs.pdf
- https://cdn.shopify.com/s/files/1/0437/4495/2471/files/president_of_liberty_riders_detroit.pdf
- https://cdn.shopify.com/s/files/1/0266/8884/8057/files/future_diary_season_2.pdf
- https://cdn.shopify.com/s/files/1/0440/7207/5414/files/61827023731.pdf
- https://cdn.shopify.com/s/files/1/0433/0009/4112/files/z-plasty_scar_revision.pdf
- https://cdn.shopify.com/s/files/1/0496/3244/4565/files/taduzujotugagedar.pdf
- https://cdn.shopify.com/s/files/1/0266/9782/6503/files/economics_rules.pdf
- https://cdn-cms.f-static.net/uploads/4369901/normal_5f8c131f56d7c.pdf
- https://cdn-cms.f-static.net/uploads/4365634/normal_5f86fcc2c4d8c.pdf
- https://cdn-cms.f-static.net/uploads/4368731/normal_5f890a1241bde.pdf
- https://cdn-cms.f-static.net/uploads/4367268/normal_5f8756129e056.pdf
- https://cdn-cms.f-static.net/uploads/4365626/normal_5f8c52b5d5895.pdf
- https://cdn-cms.f-static.net/uploads/4369522/normal_5f8a347fa9e65.pdf
- https://cdn-cms.f-static.net/uploads/4367947/normal_5f8aaa8d3a84d.pdf
- https://cdn-cms.f-static.net/uploads/4366008/normal_5f871cb33c3ff.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
- ttraff.cc
- uploads.strikinglycdn.com
- babikovinemixe.weebly.com
- cdn.shopify.com
- cdn-cms.f-static.net
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.172.255.217
- 4.150.223.108
- 4.150.223.115
- 52.123.252.226
- 172.66.2.5
- 52.110.12.21
- 4.230.171.124
- 135.232.92.97
- 74.179.77.204
- 20.52.64.201
- 52.123.128.14
- 74.178.76.44
- 203.26.79.13
- 92.223.78.30
- 52.148.114.188
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report