MALICIOUS — normal_5f86f614703f2.pdf
MALICIOUS — normal_5f86f614703f2.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (84/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
ea3acce6058f056392a4d095e68473439296701a4697c22f42e02f0d4d55692a - SHA-1:
14245d91868f5f31a9a9ae79974df40342f5f0fb - MD5:
f87d33926c0e6ee20ed142e7910da75e - ssdeep:
768:iEgGzpDCp9OPkPuB07cmDVSwQ5xdEd9xUvtpRcQlXgcsVGNdcPp:6GFepamRSH5xdEd9mVcCC2cPp - TLSH:
T18731AFF361ABDD8C7AC66F03A9A51058A189DA4950339B7450CC7B3DC4BC3BC2E45E62 - Submitted as: normal_5f86f614703f2.pdf
- File type: pdf · Size: 42674 bytes
- Verdict: malicious (84/100)
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 84/100 is the fusion of 6 weighted signals:
- Embedded link rated malicious by URL analysis: https://cdn-cms.f-static.net/uploads/4366011/normal_5f86f5cd1db40.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 19 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/123?keyword=android+browser+share+intent, https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/kinufijozulof.pdf, https://fodezamu.weebly.com/uploads/1/3/1/4/131407453/1000608.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 (8 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9652 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
- desktop-hsgcbep
- 250.255.255.239.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
- 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
- ntp.ubuntu.com
- 255.255.254.169.in-addr.arpa
- 79.243.254.169.in-addr.arpa
- http://www.msftconnecttest.com/connecttest.txt
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
c51f0ad08bfab9a01985cbe2246ca267d5aff58913c4688e67d1a7586c313b2d - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\b121ac4754df1bf96a843584a6dbe815.png -
6388f0a5033616cb804fc64a78042ba637cf7ab3ef30a8af2fb1291fb44a31c3 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=android+browser+share+intent
- https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/kinufijozulof.pdf
- https://fodezamu.weebly.com/uploads/1/3/1/4/131407453/1000608.pdf
- https://jatorogerujew.weebly.com/uploads/1/3/2/7/132710569/5650151.pdf
- https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/dozafawegikuxoto.pdf
- https://cdn-cms.f-static.net/uploads/4365567/normal_5f86f5f66dbb9.pdf
- https://cdn-cms.f-static.net/uploads/4365551/normal_5f86f4da87dc1.pdf
- https://cdn-cms.f-static.net/uploads/4366011/normal_5f86f5cd1db40.pdf
- https://cdn-cms.f-static.net/uploads/4365598/normal_5f86f3fd8c3bb.pdf
- https://cdn-cms.f-static.net/uploads/4365539/normal_5f86f5f33e9c2.pdf
- https://uploads.strikinglycdn.com/files/9bdce6e2-5269-4471-966c-19bbfe794edd/17747332991.pdf
- https://uploads.strikinglycdn.com/files/924bcfa9-7a23-4803-b2b9-79cbf81c6927/fatitixagibulefirivo.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
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787760673&P2=404&P3=2&P4=EqG%2f1IgMk3HsBMGk7c0XjegZakSJjIbLKGhu33XU%2fyNGAsd%2bzkHZiYwuduhS%2f75TpkKjlRymfxjOJ8IMK3mIMg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787760712&P2=404&P3=2&P4=DyxSJH1LhNp5n11GOST%2bheb6mVQedsJ%2fe5Ag1YwphSIT4bTqa7HlLNOAjRM5CR0z3BFQHPPl2sTVhzj2HZX8cQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- cctraff.ru
- vuxozajuje.weebly.com
- fodezamu.weebly.com
- jatorogerujew.weebly.com
- cdn-cms.f-static.net
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.172.255.216
- 172.172.255.218
- 20.42.179.192
- 13.69.109.130
- 92.223.78.30
- 4.144.132.114
- 4.230.171.124
- 74.178.76.128
- 20.165.94.54
- 52.123.128.14
- 40.103.64.242
- 74.179.77.204
- 4.150.223.112
- 135.233.95.144
- 72.154.7.109
- 203.26.79.13
- 52.123.252.246
- 20.60.225.129
- 40.79.163.155
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report