MALICIOUS — normal_6003957b3d7da.pdf
MALICIOUS — normal_6003957b3d7da.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 5 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
0aa6dabf427bc474d6b98b24fd13bfbd4c781193cc128349ffe063e1d0a50533 - SHA-1:
f3d5744ba724e505e6c1bac5614c0e8f96c86f99 - MD5:
211d2eb17c0d307ef0e332e71ba43d0c - ssdeep:
1536:GzceXmPh9UZrDfhF/JS9zjjjOrpDiTWCslV50QTwxnDf5gnBI7coyhr5:VGY+rDfh+zjjjOVe5slV5H8xnDf5aBIK - TLSH:
T13038DFF3804BCC8CB58ADB43A9F62A2CF48AE6DC7631DAA05489767DC1B86FD1D04511 - Submitted as: normal_6003957b3d7da.pdf
- File type: pdf · Size: 76793 bytes
- Verdict: malicious (98/100)
Detections (5 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
- Trellix Stinger (McAfee): PDF/Phish-FAB!211D2EB17C0D
- 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://static.s123-cdn-static.com/uploads/4445338/normal_5fca6e54f2cb6.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 18 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://trafffe.ru/123?utm_term=on+a+null+object+reference+error, https://sotumeramevoma.weebly.com/uploads/1/3/0/9/130969712/lusogijivola.pdf, https://miwolugakibu.weebly.com/uploads/1/3/1/3/131383652/9072458.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 (2 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9759 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
- ntp.ubuntu.com
- 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=1787775167&P2=404&P3=2&P4=m6MK9XKtI9oJYrEC6enjt2c%2bF0conerCruQXojA6owQ7s78Xq%2bBP63n3GVSpdrjNhIHhe1I%2f1zhUpfbHqGTiDw%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=1787775203&P2=404&P3=2&P4=UEoXtZ3zeVp9B3kdBcnzQPpynuPu0OVSF%2bbhQ6M6uyJcv8mkftzSIs2qtr%2b5oS7ymEmtXh3NWw01cxOmkhh72Q%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
2398ea0f9f5781094b053501a4474f18592e9c79222aaa069d61dea8d16d3c18 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\be8185972dce8e5570bd7a4a681c42a4.png -
f01fcbf43026a718fe83110f09bc5ff98e57fae105a54fa26be8e0dcdf7875e4 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://trafffe.ru/123?utm_term=on+a+null+object+reference+error
- https://s3.amazonaws.com/dudigonifu/26003439171.pdf
- https://s3.amazonaws.com/wexukufedepim/rexagupulenopetowisemo.pdf
- https://sotumeramevoma.weebly.com/uploads/1/3/0/9/130969712/lusogijivola.pdf
- https://s3.amazonaws.com/xufaxoferugod/mimixon.pdf
- https://s3.amazonaws.com/dazutun/bangkok_airport_train_map.pdf
- https://miwolugakibu.weebly.com/uploads/1/3/1/3/131383652/9072458.pdf
- https://s3.amazonaws.com/resixexi/25017934855.pdf
- https://dasirexifavud.weebly.com/uploads/1/3/5/3/135320576/5599418.pdf
- https://s3.amazonaws.com/lerezazo/21178176213.pdf
- https://s3.amazonaws.com/fatisake/mt_rainier_height_before_eruption.pdf
- https://s3.amazonaws.com/fezenur/xafival.pdf
- https://static.s123-cdn-static.com/uploads/4445338/normal_5fca6e54f2cb6.pdf
- https://s3.amazonaws.com/kizugokofo/kuduniwodaxalokapokup.pdf
- https://s3.amazonaws.com/bitizopovopaso/98692149817.pdf
- https://wadasazaba.weebly.com/uploads/1/3/3/9/133999184/7550932.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
Embedded domains
- trafffe.ru
- s3.amazonaws.com
- sotumeramevoma.weebly.com
- miwolugakibu.weebly.com
- dasirexifavud.weebly.com
- static.s123-cdn-static.com
- wadasazaba.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.66.2.5
- 51.132.193.105
- 40.84.85.40
- 52.110.12.22
- 172.215.188.232
- 4.230.171.124
- 20.247.184.142
- 135.232.92.137
- 4.150.223.112
- 40.99.133.210
- 52.123.128.14
- 135.234.160.246
- 72.145.35.96
- 203.26.79.13
- 74.178.232.29
- 92.223.78.30
- 142.250.195.131
- 4.209.250.170
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report