MALICIOUS — normal_5f98f09cd5280.pdf
MALICIOUS — normal_5f98f09cd5280.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:
e8938b626855c5986717470f5af5af8cb0d9366cc73634afa5e25b034e3dcb22 - SHA-1:
6cd0b892f930de0c7c0dcfc78e277e121e154423 - MD5:
3a753be3f62d814e70df063b3cbd1608 - ssdeep:
768:ygGzpD9pSgZsvR3IHgKaxw0BaMM5NuWWfFwskjSYl/jjL1n+ey1foL:vGFppSn3IHzaxZZFkjSCjZo1foL - TLSH:
T1C6319EF32057ED4C7ACAAB135EAA1169958DD68C7033966058CC3B3DC4B87FD6E00A61 - Submitted as: normal_5f98f09cd5280.pdf
- File type: pdf · Size: 42384 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 (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/e8d22555-07fa-4c99-8c65-24525eb7f818/textbook_quantitative_genetics_down.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://gettraff.ru/123?keyword=army+pass+request+form, https://uploads.strikinglycdn.com/files/e8d22555-07fa-4c99-8c65-24525eb7f818/textbook_quantitative_genetics_down.pdf, https://cdn-cms.f-static.net/uploads/4414486/normal_5f98a894b4e21.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 (14 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9934 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
- c.pki.goog
- ntp.ubuntu.com
- 250.255.255.239.in-addr.arpa
- desktop-hsgcbep
- 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
- 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
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\f87345bbba2a14795b81fa7316c20a6e.png -
88a2494709c9219ad1fe16517abc4d9b72773be8f0aa29218c1a1198f4abf970 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
b4b4a43fdbe08d7e821f710e9e7e9e86c6ba15859c2af34b2760a8c09f97df64 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/123?keyword=army+pass+request+form
- https://s3.amazonaws.com/webipejonavuv/xirijinuk.pdf
- https://s3.amazonaws.com/fodose/registration_form_template.pdf
- https://s3.amazonaws.com/zuxadol/weight_loss_eating_plan_south_africa.pdf
- https://s3.amazonaws.com/jojitagifuva/kararapegutudom.pdf
- https://uploads.strikinglycdn.com/files/e8d22555-07fa-4c99-8c65-24525eb7f818/textbook_quantitative_genetics_down.pdf
- https://cdn-cms.f-static.net/uploads/4414486/normal_5f98a894b4e21.pdf
- https://cdn-cms.f-static.net/uploads/4379964/normal_5f8d3508eaead.pdf
- https://cdn-cms.f-static.net/uploads/4414335/normal_5f98bf92359ca.pdf
- https://cdn-cms.f-static.net/uploads/4389108/normal_5f8fc412a6b00.pdf
- https://cdn-cms.f-static.net/uploads/4368469/normal_5f87beffc802b.pdf
- https://cdn-cms.f-static.net/uploads/4382194/normal_5f9246db5ac39.pdf
- https://cdn-cms.f-static.net/uploads/4379038/normal_5f90f4b1ea396.pdf
- https://uploads.strikinglycdn.com/files/2f1841e3-ec35-42ba-ac18-55b18fc4876f/31894349696.pdf
- https://uploads.strikinglycdn.com/files/b81cc3eb-81ea-4ade-8a1d-ac371e5216b4/xerejirewuguxovepiw.pdf
- https://cdn-cms.f-static.net/uploads/4384645/normal_5f98d1230aca5.pdf
- https://cdn-cms.f-static.net/uploads/4369328/normal_5f8b051a12b67.pdf
- https://cdn-cms.f-static.net/uploads/4392862/normal_5f8e606c88552.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/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://www.msftconnecttest.com/connecttest.txt
Embedded domains
- gettraff.ru
- s3.amazonaws.com
- uploads.strikinglycdn.com
- cdn-cms.f-static.net
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.172.255.216
- 20.42.65.93
- 52.123.252.238
- 85.210.193.152
- 52.110.12.28
- 4.230.171.124
- 4.155.89.87
- 74.178.76.128
- 20.165.94.54
- 40.99.133.226
- 52.123.129.14
- 92.223.78.30
- 135.233.95.80
- 72.145.35.103
- 203.26.79.13
- 142.251.222.3
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report