MALICIOUS — normal_5fdbec42ab5f6.pdf
MALICIOUS — normal_5fdbec42ab5f6.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 4 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
0fc00746450516134feefe2284d600d1c72b1319b86ab30f52f3e0a47309e346 - SHA-1:
21e77208e5432ee34fc0f2302842ae3f2a2764df - MD5:
aa46aaf90f195656dfa8f0f1cd80c898 - ssdeep:
1536:lDxM1284rJyUb/Z8O6pUjYR8PB4KrF3lDPDclW32NmMqc+F18:7u27r9/uOpYstggMqc+o - TLSH:
T13B37D0F77297EE4C66CA5F438DA950087089D7483132EA5501C5BA2DC8BC6FE7E20E42 - Submitted as: normal_5fdbec42ab5f6.pdf
- File type: pdf · Size: 74029 bytes
- Verdict: malicious (98/100)
Detections (4 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- ClamAV (daily): Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
- 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 7 weighted signals:
- ClamAV (daily) flagged Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 (rule
Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0) - engine signal, weight 0.90, confidence 0.95 - Embedded link rated malicious by URL analysis: https://static.s123-cdn-static.com/uploads/4499958/normal_5fcdea257d4cf.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 20 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://traffmen.ru/123?utm_term=king+of+ashes+characters, https://static1.squarespace.com/static/5fc56d23ff13940aa25df82f/t/5fd5ffb05b1f6f7539ccb2da/1607860145273/igcse_economics_answers.pdf, https://cdn-cms.f-static.net/uploads/4460694/normal_5fd7c3f35762a.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 (6 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9740 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
- 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
- 250.255.255.239.in-addr.arpa
- desktop-hsgcbep._dosvc._tcp.local
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\a1967b1bb503833cc26c8a434dc6309d.png -
3b133140a8982e5511e29160d057cbef2dd5c3d576a2397987029e7f936c221d - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
c1ae7b197b8d959074bb2718862b6380347e2a96f372c2c02a3232dfb6974548 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://traffmen.ru/123?utm_term=king+of+ashes+characters
- https://static1.squarespace.com/static/5fc56d23ff13940aa25df82f/t/5fd5ffb05b1f6f7539ccb2da/1607860145273/igcse_economics_answers.pdf
- https://cdn-cms.f-static.net/uploads/4460694/normal_5fd7c3f35762a.pdf
- https://static.s123-cdn-static.com/uploads/4499958/normal_5fcdea257d4cf.pdf
- https://s3.amazonaws.com/juzewojavomofew/kekegopifis.pdf
- https://static1.squarespace.com/static/5fcebcdfa1b4d771ad267cb8/t/5fd5f3a4de5b1220c01fa20b/1607857061911/47769002760.pdf
- https://s3.amazonaws.com/devuxuzejozam/58821551402.pdf
- https://static1.squarespace.com/static/5fc00874a5bc066edfa0f7a0/t/5fc231c7eaf37e3b64e576e3/1606562248568/43897896700.pdf
- https://cdn-cms.f-static.net/uploads/4382965/normal_5f91d8ae34a1e.pdf
- https://static1.squarespace.com/static/5fc1bc471452f90b7feb30c6/t/5fc401df7acac6192a3d16d1/1606681056250/telubajavisutilemizaniza.pdf
- https://cdn-cms.f-static.net/uploads/4450434/normal_5fa63c08abf5d.pdf
- https://s3.amazonaws.com/ganubifirigevi/3431919517.pdf
- https://static1.squarespace.com/static/5fc18de7affbf90a66ef1cd7/t/5fc59f8b6457125654fdad55/1606786956597/fairgrounds_speedway_nashville_news.pdf
- https://cdn-cms.f-static.net/uploads/4413967/normal_5f94380d9defd.pdf
- https://s3.amazonaws.com/jivuxo/tawarilogakalijenivuwidex.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
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://203.26.79.13/filestreamingservice//files/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Embedded domains
- traffmen.ru
- static1.squarespace.com
- cdn-cms.f-static.net
- static.s123-cdn-static.com
- s3.amazonaws.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 20.184.175.19
- 51.104.15.253
- 57.155.104.224
- 4.150.223.110
- 4.150.223.100
- 52.123.252.224
- 52.110.12.44
- 52.110.12.33
- 4.230.171.124
- 4.247.188.224
- 135.233.95.135
- 135.232.92.137
- 40.103.64.242
- 135.233.45.222
- 85.210.196.11
- 135.232.92.34
- 203.26.79.13
- 4.150.223.96
- 172.178.240.163
- 172.175.111.170
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report