MALICIOUS — normal_5f89b8cf10039.pdf
MALICIOUS — normal_5f89b8cf10039.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:
2666861142e489281a62267c133fce9b387bca557dcc7c9cb81f0bdc810bf45f - SHA-1:
e94ee122a2788044c80774e6a185386250b19338 - MD5:
bd030e7d599b2ef00049783dcb535128 - ssdeep:
768:YgGzpDBp9QG9CnFo011Agp0HprL9ItCoh7JyJYDY2r+5oPBp8CMtObur:1GF9p9d9Cneq15CGVyJY824oJpKtObur - TLSH:
T15F329EF750A3ED5C3E8B6B876AFB1169604AC78D712697E00488271DC4BCAFD2F01A54 - Submitted as: normal_5f89b8cf10039.pdf
- File type: pdf · Size: 47010 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 16 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://cdn-cms.f-static.net/uploads/4366031/normal_5f8701d9643cd.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://ttraff.cc/123?keyword=the+adrenal+thyroid+revolution+pdf, https://cdn-cms.f-static.net/uploads/4366665/normal_5f872b44984b4.pdf, https://cdn-cms.f-static.net/uploads/4366408/normal_5f87ac1652bf2.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)
9745 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
- ntp.ubuntu.com
- 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
- 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
- desktop-hsgcbep
- 250.255.255.239.in-addr.arpa
- WORKGROUP
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
c1dfdf44f11d6a74ab92407609cd42428f37ab8ffd3bedb6def63ed0afeb0eb4 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\2e8ff0ed35ceb3d597e9ba5e7dc57fda.png -
a53696563dc5073405430bd87bb16d2e0dce1859e12255e7c410701ab5fd99fe - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ttraff.cc/123?keyword=the+adrenal+thyroid+revolution+pdf
- https://cdn-cms.f-static.net/uploads/4366665/normal_5f872b44984b4.pdf
- https://cdn-cms.f-static.net/uploads/4366408/normal_5f87ac1652bf2.pdf
- https://cdn-cms.f-static.net/uploads/4366331/normal_5f8839ad801a1.pdf
- https://cdn-cms.f-static.net/uploads/4366031/normal_5f8701d9643cd.pdf
- https://cdn-cms.f-static.net/uploads/4366980/normal_5f8829e2b1b60.pdf
- https://cdn-cms.f-static.net/uploads/4370280/normal_5f880fb2998f9.pdf
- https://cdn-cms.f-static.net/uploads/4365655/normal_5f890c200b379.pdf
- https://cdn-cms.f-static.net/uploads/4371013/normal_5f889cd580ef8.pdf
- https://uploads.strikinglycdn.com/files/97525d65-6222-4cb6-82bd-eaef2dbf8f64/ferasokuz.pdf
- https://uploads.strikinglycdn.com/files/87768279-19ed-498e-8a03-3b6174b34788/pofim.pdf
- https://uploads.strikinglycdn.com/files/335394e4-5001-4073-8126-276015283d7d/90224026316.pdf
- https://uploads.strikinglycdn.com/files/d59efe67-bb01-44b9-8021-eb3f6a4822e6/tisoselezozajavawipodiku.pdf
- https://uploads.strikinglycdn.com/files/194188f2-021e-4f14-b52e-a10fce22c225/laxux.pdf
- https://uploads.strikinglycdn.com/files/160ff484-18dc-402b-af67-e2678494fa34/18094820141.pdf
- https://uploads.strikinglycdn.com/files/965b53f4-5390-4494-ac6e-d3ae7e10bdff/35137607463.pdf
- https://uploads.strikinglycdn.com/files/e861fd22-f0ca-4f2c-82fd-0c00a52491be/98898662818.pdf
- https://uploads.strikinglycdn.com/files/942a406a-e422-4560-b970-1f7dd27a6152/vajufurikaxilewulapob.pdf
- https://uploads.strikinglycdn.com/files/310e1ed6-fdc3-4096-b396-b7601dc64607/50876283642.pdf
- https://uploads.strikinglycdn.com/files/705b15c8-c782-487b-8ea0-4e080bfb7d70/duxovim.pdf
- https://mufalugibesenu.weebly.com/uploads/1/3/1/4/131453255/zojajubapejer.pdf
- https://fimozafovobas.weebly.com/uploads/1/3/2/7/132741130/memosu.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.cc
- cdn-cms.f-static.net
- uploads.strikinglycdn.com
- mufalugibesenu.weebly.com
- fimozafovobas.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.172.255.216
- 135.233.95.80
- 162.159.142.9
- 85.210.193.152
- 52.123.252.194
- 4.144.132.114
- 4.230.171.124
- 20.184.175.17
- 20.112.250.133
- 135.233.95.144
- 52.123.128.14
- 135.234.160.244
- 203.26.79.13
- 20.42.179.192
- 4.150.223.110
- 142.250.195.131
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report