MALICIOUS — normal_5f87091dad2f4.pdf
MALICIOUS — normal_5f87091dad2f4.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (72/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
bbdf9d1734f258f8a2fc713de2598e2dee38a6cee7e146741fb47e7bf39f062e - SHA-1:
afa86d8e9f860461c3a850733b75b7780aa0a137 - MD5:
9d07187bc19acc60674b82644ffa8421 - ssdeep:
768:fgGzpDopS1xhLxV53hAuFSamiwHfJ2F4YCwKGjG1csX2e:oGFMpQVAuFSlfuFOSG1c22e - TLSH:
T1AE307EF35197DC4C7A8B9B0369EB2559268AC388613B9720198CB72DC8BC5BD7E40871 - Submitted as: normal_5f87091dad2f4.pdf
- File type: pdf · Size: 36965 bytes
- Verdict: malicious (72/100)
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 72/100 is the fusion of 6 weighted signals:
- Contacted 21 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/3842919e-0254-4e9e-ba60-42fb1c80c2b6/rituridaxidagugoxol.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/123?keyword=solving+radical+and+rational+exponent+equations+worksheet, https://cdn.shopify.com/s/files/1/0434/7147/0742/files/sudifutovofipotojofesorub.pdf, https://cdn.shopify.com/s/files/1/0497/4372/4698/files/pro_muscle_supplement_review.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 (11 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9718 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
- ntp.ubuntu.com
- 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
- 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
- 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
- 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
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\81b5c4c8997a514a28d876e1c2fd492d.png -
b77d0b398ff80a1452880ce684f1d7ee394efa30e279ae3f31966611f80faba8 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
3ba5746c6d60b692593550ceef59be94dfd1287579ed2d1399f8a292497f8f0c - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=solving+radical+and+rational+exponent+equations+worksheet
- https://cdn.shopify.com/s/files/1/0434/7147/0742/files/sudifutovofipotojofesorub.pdf
- https://cdn.shopify.com/s/files/1/0497/4372/4698/files/pro_muscle_supplement_review.pdf
- https://cdn.shopify.com/s/files/1/0483/7946/1785/files/64411025747.pdf
- https://site-1041784.mozfiles.com/files/1041784/giwile.pdf
- https://site-1041851.mozfiles.com/files/1041851/84983566335.pdf
- https://site-1038376.mozfiles.com/files/1038376/kixoxoduf.pdf
- https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/zutilipevozafeguwu.pdf
- https://dimaxafazeza.weebly.com/uploads/1/3/1/4/131453031/nukexifepejisox.pdf
- https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/tiladejonu.pdf
- https://uploads.strikinglycdn.com/files/3842919e-0254-4e9e-ba60-42fb1c80c2b6/rituridaxidagugoxol.pdf
- https://uploads.strikinglycdn.com/files/29c40ad5-b3d9-4ecc-a7a0-c52e27ba5ed2/13356440148.pdf
- https://uploads.strikinglycdn.com/files/160fe891-6707-4227-8a06-3b00932b7684/30447519848.pdf
- https://uploads.strikinglycdn.com/files/6378b4bf-c4d9-41b1-a2fa-1aa3cefebd59/83370430742.pdf
- https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/1158663.pdf
- https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/runemevurexuziwone.pdf
- https://uploads.strikinglycdn.com/files/0b909f6e-ca93-4292-be03-cb32f13c2cf3/45425460936.pdf
- https://uploads.strikinglycdn.com/files/b90a9f33-3997-405c-b74d-cc943b770048/92710060291.pdf
- https://uploads.strikinglycdn.com/files/9c243e72-91f8-4acd-a512-a211fe782fe4/65862036854.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/
Embedded domains
- cctraff.ru
- cdn.shopify.com
- site-1041784.mozfiles.com
- site-1041851.mozfiles.com
- site-1038376.mozfiles.com
- guwomenod.weebly.com
- dimaxafazeza.weebly.com
- uploads.strikinglycdn.com
- dutitujazekap.weebly.com
- genigudepa.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.123.128.14
- 72.145.35.108
- 74.178.76.128
- 52.168.117.171
- 52.168.117.175
- 20.42.73.24
- 20.247.185.124
- 52.110.12.1
- 40.84.97.4
- 4.230.171.124
- 74.179.77.204
- 52.123.129.14
- 20.42.65.91
- 40.99.134.18
- 74.178.76.44
- 203.26.79.13
- 92.223.78.30
- 51.105.71.137
- 4.150.223.97
- 52.148.114.188
- 172.217.25.195
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report