MALICIOUS — normal_5fb611bb161f4.pdf
MALICIOUS — normal_5fb611bb161f4.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 4 of 50 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
6a28bdc309afe79e39b7e5a685aba6856059e11af335728c13d95494d5111cef - SHA-1:
5b652561ca5ed8d44fa58fa35f419264e217af7d - MD5:
a65020745d6d92c091f0e2c8b1c4c9df - ssdeep:
1536:Xadq0b9VKZ+wGB9D2cfoO6Mcvrb6Zyh8jOkV3GznpqVs9CyL5:qs0be0wGBAzO6Mcbh8DVsnpZ9CK - TLSH:
T1BC36C0F37197CD8CB7469B47BAB62968749AC30C1033E7A11188767CD4FC26E6E20A51 - Submitted as: normal_5fb611bb161f4.pdf
- File type: pdf · Size: 69448 bytes
- Verdict: malicious (98/100)
Detections (4 of 50 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- ClamAV (daily): Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 98/100 is the fusion of 8 weighted signals:
- ClamAV (daily) flagged Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 (rule
Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0) - engine signal, weight 0.90, confidence 0.95 - Embedded link rated malicious by URL analysis: https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/a8401ec7a9859.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 16 external host(s) at runtime (3 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://trafficel.ru/123?utm_term=spongebob+something+smells+transcript, https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/a8401ec7a9859.pdf, https://cdn-cms.f-static.net/uploads/4409096/normal_5fa1542e55927.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 (9 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9666 behavior events · 1 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
- 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
- 252.0.0.224.in-addr.arpa
- 250.255.255.239.in-addr.arpa
- 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
- ntp.ubuntu.com
- 79.243.254.169.in-addr.arpa
- 255.255.254.169.in-addr.arpa
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\950ddcb3ab5d5b0561edf2daa9f84cd1.png -
584b4d1c41e035031ee4e568f69d67fd595586bb5479f53a154c99cad5f69e70 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
6bdee557191ed49e2a06282305458e0779333e1f099e261dd32be77f0eb04333 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://trafficel.ru/123?utm_term=spongebob+something+smells+transcript
- https://s3.amazonaws.com/lakadutof/82859770274.pdf
- https://s3.amazonaws.com/jenisozazewubo/discourse_community_essay_uta.pdf
- https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/a8401ec7a9859.pdf
- https://cdn-cms.f-static.net/uploads/4409096/normal_5fa1542e55927.pdf
- https://cdn-cms.f-static.net/uploads/4412996/normal_5f9ee4ef4d652.pdf
- https://s3.amazonaws.com/bupaxomu/mepegebizetobewixo.pdf
- https://s3.amazonaws.com/vuliwisuwig/95267958508.pdf
- https://cdn-cms.f-static.net/uploads/4383128/normal_5faf388ba92a4.pdf
- https://s3.amazonaws.com/xupovobejanam/output_force_def.pdf
- https://s3.amazonaws.com/wujapu/goalkeeper_training_drills.pdf
- https://cdn-cms.f-static.net/uploads/4426690/normal_5fa415bca642b.pdf
- https://s3.amazonaws.com/jinabom/fazufasekupe.pdf
- https://s3.amazonaws.com/ligole/99930104166.pdf
- https://cdn-cms.f-static.net/uploads/4365536/normal_5f8840f573b62.pdf
- https://cdn-cms.f-static.net/uploads/4406473/normal_5fad8389eb7f7.pdf
- https://s3.amazonaws.com/voxipanovigepiv/b._ed_entrance_exam_form_date_2018.pdf
- https://fojumotapikapig.weebly.com/uploads/1/3/4/3/134372119/5548704.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
- trafficel.ru
- s3.amazonaws.com
- fijojonibiw.weebly.com
- cdn-cms.f-static.net
- fojumotapikapig.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 72.145.35.101
- 162.159.142.9
- 52.123.252.215
- 74.179.71.159
- 52.110.12.19
- 52.110.12.21
- 4.230.171.124
- 72.153.5.63
- 203.26.79.13
- 20.184.175.19
- 20.76.201.171
- 52.123.128.14
- 52.123.129.14
- 20.184.175.5
- 172.215.188.225
- 172.217.25.163
File paths
- e:\]Z
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report