MALICIOUS — normal_5f8c4b8b74a9a.pdf
MALICIOUS — normal_5f8c4b8b74a9a.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:
218b4cd1bf3788d45f1a1f1da52702ac468dc1b2539eae7a424315644e25bb45 - SHA-1:
c5445e86017bc3a3052f7e59adb4fcf4d23568b4 - MD5:
e004e45f0175a5e9bcd44aad9dbff59e - ssdeep:
768:JgGzpDVpFVWOzFfTZETsfKw6oRXYJ4ijgvwdrd/h33E5srPqJAgNZaq8r/dPHM:qGFppFUsXYKij7xzHYsbqJ9NZf8r/dPs - TLSH:
T1B433AEF34097ED8C798B5B476EAB0698B049D7C8B0269B9041C9772CC4BCAFC6F10965 - Submitted as: normal_5f8c4b8b74a9a.pdf
- File type: pdf · Size: 47607 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 15 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/da946f64-d735-453b-aaeb-4bc49c87991c/53514598936.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://ttraff.link/123?keyword=zend+avesta+t%25C3%25BCrk%25C3%25A7e+pdf, https://cdn-cms.f-static.net/uploads/4366041/normal_5f88ec19dd785.pdf, https://cdn-cms.f-static.net/uploads/4365539/normal_5f8729cde3307.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 (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9741 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
- 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
- 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
- desktop-hsgcbep
- ntp.ubuntu.com
- 255.255.254.169.in-addr.arpa
- 79.243.254.169.in-addr.arpa
- http://www.msftconnecttest.com/connecttest.txt
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
41322f460f7b57bcf04b87c3b0a918922aa07fcb2e8e05b1b586d4f9803b8b97 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\d3829308e9ff661eb2e8fce32acca9b6.png -
d0412fb0abbdbdd87ddef851fb77ff68eea5702bbb452e9e7368758b496c767b - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ttraff.link/123?keyword=zend+avesta+t%25C3%25BCrk%25C3%25A7e+pdf
- https://cdn-cms.f-static.net/uploads/4366041/normal_5f88ec19dd785.pdf
- https://cdn-cms.f-static.net/uploads/4365539/normal_5f8729cde3307.pdf
- https://cdn-cms.f-static.net/uploads/4366622/normal_5f87e83c09b42.pdf
- https://cdn-cms.f-static.net/uploads/4366305/normal_5f8839aeedd29.pdf
- https://cdn-cms.f-static.net/uploads/4372983/normal_5f8bc230d2175.pdf
- https://uploads.strikinglycdn.com/files/da946f64-d735-453b-aaeb-4bc49c87991c/53514598936.pdf
- https://uploads.strikinglycdn.com/files/75663b07-0613-411d-9a8c-d173e3277b99/womademiteri.pdf
- https://cdn-cms.f-static.net/uploads/4368488/normal_5f887b4d06a2d.pdf
- https://cdn-cms.f-static.net/uploads/4370267/normal_5f89b46715f63.pdf
- https://cdn-cms.f-static.net/uploads/4376379/normal_5f8a216dd1ea6.pdf
- https://cdn-cms.f-static.net/uploads/4368736/normal_5f8b14214d525.pdf
- https://cdn-cms.f-static.net/uploads/4378608/normal_5f8b6ec127594.pdf
- https://uploads.strikinglycdn.com/files/498584b1-f941-4f7f-8cf1-c13eeb786a1f/zowosojopolim.pdf
- https://uploads.strikinglycdn.com/files/e150222e-7da8-4a54-a60c-e16326f78ea4/gukulivopuwazejosumudil.pdf
- https://uploads.strikinglycdn.com/files/17c0b216-6c72-40e7-abea-fa364fac9e37/dimaruditizijesefiz.pdf
- https://uploads.strikinglycdn.com/files/b8f5cf01-ad9a-4abf-a906-3a83828f11ba/10938160126.pdf
- https://uploads.strikinglycdn.com/files/52197bcd-620d-4694-8b18-e7c8af47cf89/697145123.pdf
- https://uploads.strikinglycdn.com/files/be8f719e-4807-48f7-9402-00781b31d3ab/41784748405.pdf
- https://uploads.strikinglycdn.com/files/9cc688ff-02ed-4a72-b8e8-17e968bc4ff1/34828353635.pdf
- https://uploads.strikinglycdn.com/files/b361e164-d667-4035-b5de-90934f4810f8/xadetuzupu.pdf
- https://uploads.strikinglycdn.com/files/f79a3c83-8900-4f21-8eae-0be49bdeb54d/96851206209.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
- ttraff.link
- cdn-cms.f-static.net
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 74.179.77.204
- 85.210.196.11
- 4.230.171.124
- 57.155.104.224
- 20.247.185.124
- 135.233.95.80
- 20.42.73.30
- 203.26.79.13
- 20.76.201.171
- 74.178.240.61
- 52.123.129.14
- 135.233.95.144
- 20.42.73.26
- 172.175.111.170
- 52.138.229.67
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report