SUSPICIOUS — normal_5f87309ec39e4.pdf
SUSPICIOUS — normal_5f87309ec39e4.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (64/100). 3 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
f2052f15858eeb4920b5f72dee782f62d9d993fe1f3ccef3a5b913809148a742 - SHA-1:
42d607744a0bb75131fc1edb2248325b4aa1518d - MD5:
e11210e4ff906b6af7ee81189f34e758 - ssdeep:
768:TLgGzpDqeO7IkaK9IGx5R8bNPctUVt4nyKrLemvgbuvor3+upi7:IGF+eEn8JPcqV6nyKebHqupi7 - TLSH:
T134329EF35097ED8C7B876B03AEF21469544AD78D6222D76048C8BB6CC4BC3BD6E50960 - Submitted as: normal_5f87309ec39e4.pdf
- File type: pdf · Size: 44272 bytes
- Verdict: suspicious (64/100)
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 suspicious score of 64/100 is the fusion of 5 weighted signals:
- Contacted 17 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/123?keyword=transport+tycoon+apk+android, https://cdn-cms.f-static.net/uploads/4365642/normal_5f870d05c5183.pdf, https://cdn-cms.f-static.net/uploads/4366341/normal_5f871da62d09a.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 (18 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9697 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
- c.pki.goog
- ntp.ubuntu.com
- 250.255.255.239.in-addr.arpa
- 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=1787767355&P2=404&P3=2&P4=ciYz4%2bfq%2fV5YJGrAIJ0dJPqRPRZO8F8cV4YDSNHVm2SdUrPlGgr0ABGaoAoVRRmvejt2%2fmn8IzQ6mM4JUL8DAQ%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=1787767425&P2=404&P3=2&P4=AWpvsWJfDT910qz2FJtmpSdqv%2fbuLRX96bTZo7nG233JAi0a9L7wMG68U53KojG%2f7NE81BQptnc1ZRVnWm5m5g%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
d9cea31cefb82a6b1034765bffc4e0fe39a12de3e455c14c0b002ed2adb63b03 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\19b71cdc85bdf307fed16490c1892f8b.png -
5204a365b6eedb18e8850d28855fedf6dbc360fee74ed66f7f8c97da0da5774d - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=transport+tycoon+apk+android
- https://cdn-cms.f-static.net/uploads/4365642/normal_5f870d05c5183.pdf
- https://cdn-cms.f-static.net/uploads/4366341/normal_5f871da62d09a.pdf
- https://cdn-cms.f-static.net/uploads/4366395/normal_5f871ce08b9be.pdf
- https://site-1038836.mozfiles.com/files/1038836/92097634377.pdf
- https://site-1043809.mozfiles.com/files/1043809/download_shareit_3_10_18_apk.pdf
- https://site-1039661.mozfiles.com/files/1039661/15831949510.pdf
- https://uploads.strikinglycdn.com/files/1e545b60-a7f6-40f9-b3f8-55f4be89c879/lugixitozififawerutijev.pdf
- https://uploads.strikinglycdn.com/files/32178047-4e26-412f-b9d7-c875b7063eea/virimowiberoderekajix.pdf
- https://uploads.strikinglycdn.com/files/d21d4af7-1e38-4c7a-b462-d2a97fd058eb/bamubari.pdf
- https://cdn-cms.f-static.net/uploads/4366003/normal_5f8700d4e7634.pdf
- https://cdn-cms.f-static.net/uploads/4366031/normal_5f86fa6d75ba2.pdf
- https://cdn-cms.f-static.net/uploads/4366031/normal_5f8715288cf99.pdf
- https://site-1043519.mozfiles.com/files/1043519/dadotujuzimuzulafuwol.pdf
- https://site-1039489.mozfiles.com/files/1039489/lusumegutesigexaf.pdf
- https://site-1042107.mozfiles.com/files/1042107/81172419262.pdf
- https://site-1040325.mozfiles.com/files/1040325/feximozulunulegifuru.pdf
- https://site-1043337.mozfiles.com/files/1043337/nedemu.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
- cctraff.ru
- cdn-cms.f-static.net
- site-1038836.mozfiles.com
- site-1043809.mozfiles.com
- site-1039661.mozfiles.com
- uploads.strikinglycdn.com
- site-1043519.mozfiles.com
- site-1039489.mozfiles.com
- site-1042107.mozfiles.com
- site-1040325.mozfiles.com
- site-1043337.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.168.117.169
- 20.42.65.90
- 4.144.132.114
- 135.232.92.34
- 52.110.12.30
- 4.230.171.124
- 72.154.7.98
- 203.26.79.13
- 4.150.223.113
- 74.178.76.128
- 40.99.134.18
- 52.123.252.198
- 135.233.95.80
- 142.250.183.35
- 172.175.111.170
- 20.50.201.201
- 74.178.232.29
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report