MALICIOUS — normal_5f876421347cb.pdf
MALICIOUS — normal_5f876421347cb.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:
610b9e2a789be4845ed39c2cc7870f5c3cded4ce1508f292c6ef6649e7ee5614 - SHA-1:
d53e372880ce180cb795a92f9af3f8d46347ad1b - MD5:
23e5e52ff68194af02e2b193f5b5c95d - ssdeep:
1536:EGFup20YRyP+Q7MeCDXf1Sfvk8apRqKWfArWB4:RFup20YR2+o2bsnklqKyArh - TLSH:
T16D34AEF31497ED4C76DB9B23ADEB152AD08AC74C5222DB50548C7B2CD5BC1BCAE50421 - Submitted as: normal_5f876421347cb.pdf
- File type: pdf · Size: 52751 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 15 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://cdn-cms.f-static.net/uploads/4366004/normal_5f871b96b10c9.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/123?keyword=guitar+fret+notes+pdf, https://cdn.shopify.com/s/files/1/0463/6691/6763/files/71095220617.pdf, https://cdn.shopify.com/s/files/1/0435/9212/2527/files/change_of_shift_nursing_report_template.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 (11 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
10269 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
- 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
- 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
- ntp.ubuntu.com
- 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\SumatraPDF-settings.txt -
294f450414afda702693fd58a8e71f5bb28c627d6246ae69b6c5d4758fe46c80 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\913dcf7ab7dc190b019eb1a109fd0bfa.png -
658e5f2eb854bef3ec3e946b809bbe66976eada9574595e403f109f0770f6b7a - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=guitar+fret+notes+pdf
- https://cdn.shopify.com/s/files/1/0463/6691/6763/files/71095220617.pdf
- https://cdn.shopify.com/s/files/1/0435/9212/2527/files/change_of_shift_nursing_report_template.pdf
- https://cdn.shopify.com/s/files/1/0439/5296/3742/files/45001032704.pdf
- https://cdn.shopify.com/s/files/1/0494/4832/1183/files/xaforatosezubopof.pdf
- https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/b919b1ed8f.pdf
- https://jeponiruwapin.weebly.com/uploads/1/3/0/7/130776483/lupasufevazetamu.pdf
- https://zoxaminajoge.weebly.com/uploads/1/3/1/6/131637873/doginoxitexeret.pdf
- https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/613a711ec7ef.pdf
- https://rabifupokuwu.weebly.com/uploads/1/3/1/1/131164250/makumepaju-kewebovidibapub.pdf
- https://cdn-cms.f-static.net/uploads/4366004/normal_5f871b96b10c9.pdf
- https://cdn-cms.f-static.net/uploads/4365562/normal_5f87055747200.pdf
- https://cdn-cms.f-static.net/uploads/4365567/normal_5f8709ac5b90c.pdf
- https://cdn-cms.f-static.net/uploads/4366045/normal_5f87447a27a49.pdf
- https://site-1038647.mozfiles.com/files/1038647/62515564831.pdf
- https://site-1042670.mozfiles.com/files/1042670/70073950333.pdf
- https://site-1044016.mozfiles.com/files/1044016/30461526031.pdf
- https://site-1039906.mozfiles.com/files/1039906/gurexewerumefoxat.pdf
- https://site-1043599.mozfiles.com/files/1043599/98656115766.pdf
- https://cdn-cms.f-static.net/uploads/4366015/normal_5f8759dd42a88.pdf
- https://cdn-cms.f-static.net/uploads/4367007/normal_5f874364e1e36.pdf
- https://cdn-cms.f-static.net/uploads/4365649/normal_5f87063a4568e.pdf
- https://cdn-cms.f-static.net/uploads/4365646/normal_5f870d8fee12d.pdf
- https://cdn-cms.f-static.net/uploads/4365580/normal_5f875bebd7421.pdf
- https://cdn-cms.f-static.net/uploads/4365601/normal_5f86f5b7d7ab8.pdf
Embedded domains
- cctraff.ru
- cdn.shopify.com
- zoxuzuxebexot.weebly.com
- jeponiruwapin.weebly.com
- zoxaminajoge.weebly.com
- fijojonibiw.weebly.com
- rabifupokuwu.weebly.com
- cdn-cms.f-static.net
- site-1038647.mozfiles.com
- site-1042670.mozfiles.com
- site-1044016.mozfiles.com
- site-1039906.mozfiles.com
- site-1043599.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.148.114.188
- 172.66.2.5
- 52.123.252.218
- 52.110.12.15
- 52.110.12.54
- 20.42.179.192
- 4.230.171.124
- 20.165.94.63
- 20.184.175.1
- 203.26.79.13
- 52.123.129.14
- 92.223.78.30
- 135.232.92.34
- 20.42.65.91
- 20.184.175.21
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report