MALICIOUS — normal_5f8ca14be9527.pdf
MALICIOUS — normal_5f8ca14be9527.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (82/100). 3 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
1260d6cda9aa69deccb3148dce758f6f1fe0f47f52a77ee4eb45cdf954587e06 - SHA-1:
759554dec43c8376b5892dbaf40cc81e3c88860d - MD5:
15374252d3f2a8408f55e86ed867e162 - ssdeep:
768:vgGzpDnp2vTXFhvtwThcHDKFTNJEnxaJupnxXoYRf/64CnsybvK:YGFDp2LH2RNJEn0mRoYBhCnsybvK - TLSH:
T196318EF360E7DC4CBD879B43ADA721696049D3897136D754588C773C84BCABD6E10860 - Submitted as: normal_5f8ca14be9527.pdf
- File type: pdf · Size: 41132 bytes
- Verdict: malicious (82/100)
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 82/100 is the fusion of 6 weighted signals:
- Memory forensics: 3 finding(s), e.g. RWX/private injected region in SumatraPDF.exe (pid 4420) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - Contacted 17 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://gettraff.ru/123?keyword=handwriting+practice+worksheets+1st+grade, https://besiwalufeg.weebly.com/uploads/1/3/2/6/132696214/2628003.pdf, https://nulixedupalaz.weebly.com/uploads/1/3/0/7/130739510/6172201e.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 (17 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9704 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
- 250.255.255.239.in-addr.arpa
- ntp.ubuntu.com
- desktop-hsgcbep
- 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
- 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
- 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
- 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 -
9d94422d054b489fedf1c9a2f4c77fe5139004c9d7b66bde7fa93cc551d85472 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\a28634c02469685fb7a46f67c1c3fd99.png -
efa3dca3d284e492f291d549409b4797f07daca4bd255bca936b212d4a82eac8 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/123?keyword=handwriting+practice+worksheets+1st+grade
- https://besiwalufeg.weebly.com/uploads/1/3/2/6/132696214/2628003.pdf
- https://nulixedupalaz.weebly.com/uploads/1/3/0/7/130739510/6172201e.pdf
- https://luwobidope.weebly.com/uploads/1/3/0/8/130814225/kisusovimogax-xagonujobed-wejakimemubumix-povojavibik.pdf
- https://uploads.strikinglycdn.com/files/e45dfbe7-408b-4d15-b94d-23abcc2dd44d/gepanuliselesedu.pdf
- https://uploads.strikinglycdn.com/files/6ba2ded0-0410-4b6e-b2dc-d02d5a70995d/30783557119.pdf
- https://uploads.strikinglycdn.com/files/47876f82-6000-4985-bffb-16ab59be2440/athlean_x_bodyweight_workout_routine.pdf
- https://uploads.strikinglycdn.com/files/434f1be2-1238-406f-8bb7-0b0eff4cf159/55324125348.pdf
- https://uploads.strikinglycdn.com/files/07c1b623-dd89-45f3-a3d7-2c1b116041c0/bokewozujekebugajab.pdf
- https://cdn-cms.f-static.net/uploads/4366014/normal_5f87842d52917.pdf
- https://cdn-cms.f-static.net/uploads/4366628/normal_5f8a6f4c5e968.pdf
- https://cdn-cms.f-static.net/uploads/4370054/normal_5f8b925aedb5f.pdf
- https://cdn-cms.f-static.net/uploads/4378393/normal_5f8a627bafb7b.pdf
- https://cdn-cms.f-static.net/uploads/4383136/normal_5f8c678bebd9f.pdf
- https://cdn-cms.f-static.net/uploads/4375070/normal_5f894a41432ce.pdf
- https://cdn-cms.f-static.net/uploads/4366000/normal_5f872e1e83482.pdf
- https://cdn-cms.f-static.net/uploads/4365652/normal_5f8709c6bd42b.pdf
- https://uploads.strikinglycdn.com/files/7a7d5521-9c37-4af9-ab9d-49d492947841/89435650085.pdf
- https://uploads.strikinglycdn.com/files/2e302729-3dd8-4cd2-9d02-809cb5d03f53/39830911659.pdf
- https://uploads.strikinglycdn.com/files/0368a7e0-cd9b-46cc-8f2f-271e98bfd1e9/96731254297.pdf
- https://uploads.strikinglycdn.com/files/09d18597-9bdd-4ca4-b9bc-b1e3b2a0a5fd/seloroferafisap.pdf
- https://uploads.strikinglycdn.com/files/5af1ad7d-c42f-4b0f-aeea-efe216b509b0/2739728584.pdf
- https://uploads.strikinglycdn.com/files/dbf24224-ecb3-4305-886f-460b1930ed2d/24941594031.pdf
- https://uploads.strikinglycdn.com/files/a4eb9b2a-1811-4966-b668-2b27a39065b2/vibozoxoduvifefofolujajid.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
Embedded domains
- gettraff.ru
- besiwalufeg.weebly.com
- nulixedupalaz.weebly.com
- luwobidope.weebly.com
- uploads.strikinglycdn.com
- cdn-cms.f-static.net
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 57.154.63.210
- 135.232.92.137
- 20.42.73.30
- 52.110.12.48
- 4.230.171.124
- 20.42.179.192
- 20.247.184.197
- 135.232.92.97
- 74.179.77.204
- 52.123.128.14
- 172.178.240.163
- 20.165.94.46
- 203.26.79.13
- 20.184.175.4
- 92.223.78.30
- 52.148.114.188
- 142.250.195.131
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report