MALICIOUS — normal_5fc8a6f6014c6.pdf
MALICIOUS — normal_5fc8a6f6014c6.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:
b3d0ba967147974dbc39b7141a67e6a0e6a5721eaeb99945c39d7c6dada9b7c4 - SHA-1:
b13d74eb371e47444578034a4c149e5f61e1871b - MD5:
5111731a6c1d1d4edcb028bc6c960a6f - ssdeep:
1536:rUuYotvprzqNuGDTgXQBVNKtBS8HbPnSbTJIo4Io:RYotgNuK39KtBSeDGf0 - TLSH:
T14036E1FBB147EDCDA99A4B87A7FA204C61C5D3C83073C5908488767C8CA81AE7F64552 - Submitted as: normal_5fc8a6f6014c6.pdf
- File type: pdf · Size: 67022 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://uploads.strikinglycdn.com/files/713d38c1-ab30-443a-a63f-2ae9a6e4e3c3/ligekigevezapusuna.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 20 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://trafffe.ru/123?utm_term=inverse+of+quadratic+and+square+root+functions+worksheet, https://uploads.strikinglycdn.com/files/713d38c1-ab30-443a-a63f-2ae9a6e4e3c3/ligekigevezapusuna.pdf, https://damijuvik.weebly.com/uploads/1/3/1/3/131381376/xewidorizazenuroxi.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)
9774 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
- 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
- 250.255.255.239.in-addr.arpa
- ntp.ubuntu.com
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\5d6c1954c2597fb33b86740ad0f8e90e.png -
6aef47e96621599d83158bd208ece30da3f204f658d410c2abe208d1bf9ceacc - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
26b0d25936422a85f0a731d3f1b90d83d8fb942f6da813d62d8dd66e59392c27 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://trafffe.ru/123?utm_term=inverse+of+quadratic+and+square+root+functions+worksheet
- https://uploads.strikinglycdn.com/files/713d38c1-ab30-443a-a63f-2ae9a6e4e3c3/ligekigevezapusuna.pdf
- https://damijuvik.weebly.com/uploads/1/3/1/3/131381376/xewidorizazenuroxi.pdf
- https://uploads.strikinglycdn.com/files/94d0f29b-35f8-41d5-b04f-fc83693281a5/40534498171.pdf
- https://cdn-cms.f-static.net/uploads/4415052/normal_5fc1ff5b8d7c7.pdf
- https://botekajerojaj.weebly.com/uploads/1/3/4/7/134749353/wudisuvujutomojewova.pdf
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf5adc7acac6192ab82a51/1606376157606/81658957085.pdf
- https://uploads.strikinglycdn.com/files/35b47da6-4037-4096-8cc3-d440a58bdefe/49578587285.pdf
- https://s3.amazonaws.com/zarusegibitumet/ethanol_from_sucrose_lab_report.pdf
- https://uploads.strikinglycdn.com/files/e4c15280-a882-4b61-aa58-ed9d8c27b057/earth_and_environmental_science_final_review_packet_answer_key.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=1787758959&P2=404&P3=2&P4=fWtesA7S0z1%2fUmpz13ivyVhAmOTc50Sc5ERL5aP5My009ujYljPjQXBz8kaO8OQZI%2bq%2b%2ffd%2fegLKnKVSZtoUiw%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=1787758980&P2=404&P3=2&P4=RP%2fxjPSX6D7SqzZqP3dtWAryJNon3WCmCRLB5Vvdng%2blOIXhuBKjB0zx9MkZw3%2fF8l8ytmVa5ARcyX8X1vjfLg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- trafffe.ru
- uploads.strikinglycdn.com
- damijuvik.weebly.com
- cdn-cms.f-static.net
- botekajerojaj.weebly.com
- static1.squarespace.com
- s3.amazonaws.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.172.255.216
- 4.150.223.110
- 57.155.104.224
- 52.110.12.30
- 52.110.12.4
- 4.230.171.124
- 74.178.76.54
- 20.236.44.162
- 52.123.129.14
- 74.179.77.204
- 135.233.95.80
- 203.26.79.13
- 4.247.188.233
- 52.182.141.63
- 92.223.78.30
- 135.233.45.221
- 48.192.143.121
- 52.168.112.67
- 172.217.25.163
- 52.168.117.174
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report