MALICIOUS — normal_5f872003ac32f.pdf
MALICIOUS — normal_5f872003ac32f.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:
9b4131fef16d38098057a4d51491e5a388d5e3cb2a147d8e93452622cc740daa - SHA-1:
1e7a9f8aed38dbe705144bb68b9073ffa78b75ce - MD5:
bf5e361cccd5424468bd0921a07d04a7 - ssdeep:
1536:nGF2pRklFhsaeZi7EpSi5qaGxBM6Ay9XfuAm8PApWiYsmoI:GF2pOn3yiAFRGxBM6FfuR8o5YsI - TLSH:
T17636AEF350A7DD0CBACB6B13A9EB2558644EC7486132A7B08488A32DC47C76E7F44A15 - Submitted as: normal_5f872003ac32f.pdf
- File type: pdf · Size: 66668 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 22 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/426e6636-0fc5-4037-a76e-9547a27e5fe1/21035294765.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://ggtraff.ru/123?keyword=mmwave+massive+mimo+pdf, https://uploads.strikinglycdn.com/files/426e6636-0fc5-4037-a76e-9547a27e5fe1/21035294765.pdf, https://uploads.strikinglycdn.com/files/43b3ac3f-eda1-43c3-9aa1-e2cb34e85185/falemaguzefo.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)
9706 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
- 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
- 250.255.255.239.in-addr.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
- ntp.ubuntu.com
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
418834df213ba617e4b8ba515b87d69288e6696e4f7dba73987d72ea6af59585 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\8336a0e5686b3ca3c09257406783620b.png -
d69b37dd8976893707c887f33c2afec9bfbd7e67353a4669df6cbaec9a37cfa1 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ggtraff.ru/123?keyword=mmwave+massive+mimo+pdf
- https://uploads.strikinglycdn.com/files/426e6636-0fc5-4037-a76e-9547a27e5fe1/21035294765.pdf
- https://uploads.strikinglycdn.com/files/43b3ac3f-eda1-43c3-9aa1-e2cb34e85185/falemaguzefo.pdf
- https://uploads.strikinglycdn.com/files/80ec3392-4118-4cbe-bf81-ff4939e45fa9/44682672440.pdf
- https://uploads.strikinglycdn.com/files/2cfc75d8-584a-415b-a905-262270193223/71225559036.pdf
- https://uploads.strikinglycdn.com/files/ce534284-cd11-43a4-b23e-8014ee07b1d2/buvonozofafabisodez.pdf
- https://uploads.strikinglycdn.com/files/f4561bc7-2095-4099-9ac6-d35159485eb6/pidagutifotokaxazeje.pdf
- https://uploads.strikinglycdn.com/files/e3e7c38e-7efd-4656-bf29-97b9f5a675af/zititijipuwewujisogox.pdf
- https://uploads.strikinglycdn.com/files/8f5c424e-24f6-4062-b65b-49b01c8ef817/40144103549.pdf
- https://uploads.strikinglycdn.com/files/20a44017-4593-4a2c-aabb-0730b4039da9/60904995932.pdf
- https://cdn-cms.f-static.net/uploads/4366008/normal_5f87042fdc7e8.pdf
- https://cdn-cms.f-static.net/uploads/4366044/normal_5f87176cb4fbd.pdf
- https://cdn-cms.f-static.net/uploads/4366055/normal_5f8706dc60a8b.pdf
- https://cdn-cms.f-static.net/uploads/4365998/normal_5f86fe7f78d56.pdf
- https://cdn-cms.f-static.net/uploads/4366035/normal_5f871399b4613.pdf
- https://cdn-cms.f-static.net/uploads/4365541/normal_5f870ae87ef0b.pdf
- https://cdn-cms.f-static.net/uploads/4366004/normal_5f870157b2714.pdf
- https://cdn-cms.f-static.net/uploads/4366360/normal_5f8713e402f7d.pdf
- https://cdn-cms.f-static.net/uploads/4365583/normal_5f870660c58f7.pdf
- https://cdn-cms.f-static.net/uploads/4365600/normal_5f86f5a9d78fa.pdf
- https://site-1037835.mozfiles.com/files/1037835/63992332123.pdf
- https://site-1036628.mozfiles.com/files/1036628/mokimuwebotokitewupa.pdf
- https://site-1039297.mozfiles.com/files/1039297/22795785623.pdf
- https://cdn-cms.f-static.net/uploads/4366005/normal_5f8711beb747e.pdf
- https://cdn-cms.f-static.net/uploads/4366033/normal_5f8705b6c439b.pdf
Embedded domains
- ggtraff.ru
- uploads.strikinglycdn.com
- cdn-cms.f-static.net
- site-1037835.mozfiles.com
- site-1036628.mozfiles.com
- site-1039297.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.123.129.14
- 35.173.69.207
- 4.247.188.233
- 4.247.188.224
- 20.42.65.85
- 52.230.59.222
- 172.66.2.5
- 52.110.12.37
- 4.230.171.124
- 40.84.85.40
- 74.179.77.204
- 74.178.240.51
- 172.178.240.162
- 72.154.7.101
- 203.26.79.13
- 74.178.232.29
- 20.42.65.84
- 92.223.78.30
- 4.150.223.103
- 48.199.12.1
- 51.104.15.252
- 52.148.114.188
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report