MALICIOUS — 2851860.pdf
MALICIOUS — 2851860.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (95/100). 2 of 50 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
e2f4e0938af1ca2bb2cbc9fc21559d43385f14ca02e771c4a68a6994ae2207ee - SHA-1:
8bea01016d62a95a40135dd5264c39ab7c9592ab - MD5:
f59d8ddbad26c14e6255fce8649a21b1 - ssdeep:
768:sgGzpD7NTUJXqRfrnEvDpdQqYkDSC2PxHJheDd5dDAGbIB4CLi:pGF30pdpYuIpSTdDAGMuCi - TLSH:
T19D318DF31057DE8C7A8B9FC369AA05BD644AC28921329760159CB7ECC4BC5AD7F009E1 - Submitted as: 2851860.pdf
- File type: pdf · Size: 40982 bytes
- Verdict: malicious (95/100)
Detections (2 of 50 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
MITRE ATT&CK
Why this verdict
The malicious score of 95/100 is the fusion of 8 weighted signals:
- Dropped a malicious payload (Lazarus): root_.cache_dconf_user - dynamic signal, weight 0.80, confidence 0.90
- Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule
PDF.Spam.Heur.1) - engine signal, weight 0.55, confidence 0.85 - Contacted 39 external host(s) at runtime (7 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://ggtraff.ru/wb?keyword=examen%20de%20cuarto%20bimestre%20de%20tercer%20grado, https://fekudumubaf.weebly.com/uploads/1/3/2/6/132681201/9714766.pdf, https://welofubevi.weebly.com/uploads/1/3/1/8/131856084/2425802.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
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90 - Extracted generic config (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9638 behavior events · 1 ATT&CK techniques · 4 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
- 250.255.255.239.in-addr.arpa
- ntp.ubuntu.com
- 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
- 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
- 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
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Dropped files
- /opt/CAPEv2/storage/analyses/31171/files/19901d9353f500a92fc52399b16c21e771e864e266abceab0f03f4266820b223 -
19901d9353f500a92fc52399b16c21e771e864e266abceab0f03f4266820b223 - /opt/CAPEv2/storage/analyses/31171/files/ae1a4664ec7543e85e27dd1cf39177f4ff5ff9d1de1af0615838d0c477a4683b -
ae1a4664ec7543e85e27dd1cf39177f4ff5ff9d1de1af0615838d0c477a4683b - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7 - tmp_tmp.iqXGK8qFGs -
ad8afd15ed18f620c43258c7928a8ffd9ae9e7aa3c2fb6837c9932842ee1e468
Embedded URLs
- https://ggtraff.ru/wb?keyword=examen%20de%20cuarto%20bimestre%20de%20tercer%20grado
- https://fekudumubaf.weebly.com/uploads/1/3/2/6/132681201/9714766.pdf
- https://welofubevi.weebly.com/uploads/1/3/1/8/131856084/2425802.pdf
- https://dimaxafazeza.weebly.com/uploads/1/3/1/4/131453031/kezedivalo-bolumukejufufik.pdf
- https://megadezatesaram.weebly.com/uploads/1/3/0/7/130776649/gumililov_fowij_lizonezokal.pdf
- https://cdn.shopify.com/s/files/1/0432/6057/5894/files/lipese.pdf
- https://cdn.shopify.com/s/files/1/0500/0911/2726/files/judith_ortiz_cofer_american_history.pdf
- https://cdn.shopify.com/s/files/1/0435/7180/6366/files/21788928511.pdf
- https://uploads.strikinglycdn.com/files/12a314e4-344d-44c1-a330-7500a1daf5c3/tegikavipaworotufegude.pdf
- https://uploads.strikinglycdn.com/files/bf7a9219-0093-4714-a05d-521c19a4eaf8/wakuj.pdf
- https://cdn-cms.f-static.net/uploads/4366623/normal_5f873839db99b.pdf
- https://cdn-cms.f-static.net/uploads/4366040/normal_5f8705cb088f0.pdf
- https://cdn-cms.f-static.net/uploads/4366382/normal_5f874106a1d6c.pdf
- https://cdn-cms.f-static.net/uploads/4366008/normal_5f8711d915507.pdf
- https://cdn-cms.f-static.net/uploads/4365555/normal_5f86f55b88393.pdf
- https://cdn-cms.f-static.net/uploads/4366044/normal_5f86f949f1a27.pdf
- https://uploads.strikinglycdn.com/files/880ac2f6-0402-4402-af68-05fe62074eb6/pogixubokedo.pdf
- https://uploads.strikinglycdn.com/files/3a11b167-5f0d-4aaa-be70-15dbb5098e5b/dedad.pdf
- https://uploads.strikinglycdn.com/files/3b55dfde-5a58-4e7d-9c1e-8ed04a15d6ec/vibabadefujulezuz.pdf
- https://uploads.strikinglycdn.com/files/f3dba7e4-179d-4cc3-86b5-e0341d89c54c/mutekivokajorol.pdf
- https://uploads.strikinglycdn.com/files/044117fb-33d7-4d93-86a3-a0de76009f4b/ninisope.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
- ggtraff.ru
- fekudumubaf.weebly.com
- welofubevi.weebly.com
- dimaxafazeza.weebly.com
- megadezatesaram.weebly.com
- cdn.shopify.com
- uploads.strikinglycdn.com
- cdn-cms.f-static.net
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.148.114.188
- 52.123.252.195
- 40.74.98.196
- 172.66.2.5
- 52.110.12.51
- 4.230.171.124
- 125.56.205.42
- 20.247.185.124
- 135.232.92.137
- 20.42.73.30
- 20.231.239.246
- 20.50.201.205
- 52.123.128.14
- 135.232.92.34
- 203.26.79.13
- 52.123.252.233
- 85.210.193.152
- 51.132.193.105
- 135.233.95.144
- 172.178.240.161
- 172.170.180.133
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report