MALICIOUS — normal_5fc20d67dc6fd.pdf
MALICIOUS — normal_5fc20d67dc6fd.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100). 4 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
dbb95256ec73bd4391fac9aad078201dd3ca60adf046fd698cd42d06bbe70410 - SHA-1:
2cc16d9d97f11b050dcc1d5bfb8d86fa9c972f79 - MD5:
059d97ea418059bc75e66851211fe10c - ssdeep:
1536:C3L81nnUU6oqO0GK9RRhGUNthp4ciAc5YjVlMG:QL8Jdb039RRhGuthici55Yxv - TLSH:
T18636C0F3716BDDCC7BD6BB8369AA11583095C788B432E690848C766C8C7C6ED2E10E10 - Submitted as: normal_5fc20d67dc6fd.pdf
- File type: pdf · Size: 63477 bytes
- Verdict: malicious (96/100)
Detections (4 of 53 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 96/100 is the fusion of 7 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 - Contacted 18 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://cdn-cms.f-static.net/uploads/4410015/normal_5faec54fdfe36.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/123?utm_term=nicki+minaj+dj+mixtape+download, https://cdn-cms.f-static.net/uploads/4410015/normal_5faec54fdfe36.pdf, https://uploads.strikinglycdn.com/files/e5122137-4ad4-48db-8af2-4d891ef2249f/adiemus_enya_free.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 (3 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9649 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
- desktop-hsgcbep
- 250.255.255.239.in-addr.arpa
- ntp.ubuntu.com
- 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
- 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
- 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
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
e728a1fb1dbeb08846d60484f6ba6ab07cd9e21722ce8892dd44e1a70ac3b8c4 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\50938ada24001214edfef37e0169a9bc.png -
bf0b01e9a73c616d2e94b55d6ae87bfb7a8cd584299cab5153c70f767063faf8 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?utm_term=nicki+minaj+dj+mixtape+download
- https://cdn-cms.f-static.net/uploads/4410015/normal_5faec54fdfe36.pdf
- https://s3.amazonaws.com/mivokozibu/rutorafoziwiwelejakula.pdf
- https://s3.amazonaws.com/rerinago/definicion_de_alimentacion_y_nutricion.pdf
- https://s3.amazonaws.com/gajabedafot/17235165142.pdf
- https://s3.amazonaws.com/susopuzupure/mirodimuraleberunisuto.pdf
- https://s3.amazonaws.com/gifiz/camp_david_peace_treaty.pdf
- https://s3.amazonaws.com/donukadizolin/college_botany_books_free.pdf
- https://uploads.strikinglycdn.com/files/e5122137-4ad4-48db-8af2-4d891ef2249f/adiemus_enya_free.pdf
- https://s3.amazonaws.com/fekazudabo/2_times_table_division_worksheets.pdf
- https://s3.amazonaws.com/tabagelufazafew/the_assassin_s_blade.pdf
- https://s3.amazonaws.com/litunux/sqlite_android_tutorial_c.pdf
- https://dosedupuwosiwoz.weebly.com/uploads/1/3/0/7/130776272/a6a9d1.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=1787743999&P2=404&P3=2&P4=hPCct9Tp3EyAvHpFVubMcaIpQdS0TuAUuP64188lKJoOGXhJbckZG%2fQ5tvj1Te3khiexYz3oWYOfRsxZe9ciyA%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
Embedded domains
- cctraff.ru
- cdn-cms.f-static.net
- s3.amazonaws.com
- uploads.strikinglycdn.com
- dosedupuwosiwoz.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 74.179.77.204
- 135.233.95.80
- 57.155.101.212
- 40.74.98.197
- 20.50.80.215
- 172.172.255.217
- 20.184.175.21
- 48.211.4.16
- 4.144.132.114
- 52.110.12.32
- 4.230.171.124
- 203.26.79.13
- 20.184.175.13
- 20.112.250.133
- 52.123.128.14
- 40.99.134.18
- 135.232.92.137
- 142.250.195.131
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report