MALICIOUS — normal_5f870b89540f1.pdf
MALICIOUS — normal_5f870b89540f1.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:
53b9685e5825f4d52d3c92bb209991fded3bc603c3c86e5ad72032221e01cc85 - SHA-1:
224143b5fdcecf1a7665eb9400cefd81c3f67b36 - MD5:
3c70d3e76ab8db78b5797d8126275c08 - ssdeep:
1536:VjGFnpy+hzbFZqXxJHOwbZFc5stwDnRg:VyFnpyQ/ubZ65stwDi - TLSH:
T18933AEF35483EE4C7D87AF47ADAB2129104AC38C72329B60098CB76DD5BC5AD7E50960 - Submitted as: normal_5f870b89540f1.pdf
- File type: pdf · Size: 50463 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 14 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/7f9b3356-ca81-4201-b26d-b5f664eee024/83967198932.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://gettraff.ru/123?keyword=free+math+problem+solving+worksheets+3rd+grade, https://uploads.strikinglycdn.com/files/7f9b3356-ca81-4201-b26d-b5f664eee024/83967198932.pdf, https://uploads.strikinglycdn.com/files/d98d1e8f-a037-4222-97c0-7deaaf6e272f/76744334818.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 (17 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9710 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._dosvc._tcp.local
- 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=1787779031&P2=404&P3=2&P4=Avg3iXMWieBkmqoWJpDK%2fovLX3%2f4OTH5ZThBVo7JKVFmkMLshzGm7PK%2ftArESOYMGAAFcNqnPtdjxOVhfY6oOw%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=1787779086&P2=404&P3=2&P4=hp1mcECJcdPM8KnV3uUmEel%2bUe31hKQhaMicIu%2fh1gIr%2brtZJYt6cNPfaW2SUzxyx6xEaZL2TRtb7nCWHlhhiA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\5bd2c834189affc78b235fe528522b1f.png -
8b740c231ff5267cfc55bc089dd1dc5d67c94c0402f6b74fd8c3d862c1be318f - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
66ccfac40ab333b60192fbb753e5c8850cf2ae1bc3760f2489e2dedebde06bee - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/123?keyword=free+math+problem+solving+worksheets+3rd+grade
- https://uploads.strikinglycdn.com/files/7f9b3356-ca81-4201-b26d-b5f664eee024/83967198932.pdf
- https://uploads.strikinglycdn.com/files/d98d1e8f-a037-4222-97c0-7deaaf6e272f/76744334818.pdf
- https://uploads.strikinglycdn.com/files/a907d968-c436-4cd5-a55f-1029f7b62f8c/47786967503.pdf
- https://uploads.strikinglycdn.com/files/9c0b866e-ac1e-47d9-a695-a74bb71132cc/75682741754.pdf
- https://site-1038951.mozfiles.com/files/1038951/petaninejesotel.pdf
- https://site-1038605.mozfiles.com/files/1038605/67314949044.pdf
- https://site-1043471.mozfiles.com/files/1043471/242340658.pdf
- https://site-1040056.mozfiles.com/files/1040056/sukemalonurib.pdf
- https://cdn.shopify.com/s/files/1/0434/1796/0600/files/13657490196.pdf
- https://cdn.shopify.com/s/files/1/0485/2147/8299/files/towuloderawuf.pdf
- https://cdn.shopify.com/s/files/1/0440/5323/3814/files/82648607568.pdf
- https://uploads.strikinglycdn.com/files/3a1c7143-88ba-4c65-96f4-a35249006fc9/98966478915.pdf
- https://uploads.strikinglycdn.com/files/25f61d28-2488-4a4e-b37b-255b1d7b3dc7/6750044233.pdf
- https://uploads.strikinglycdn.com/files/5d8731fd-d456-47f2-8e8c-869063665573/61968794342.pdf
- https://uploads.strikinglycdn.com/files/401bbc8b-88bb-411d-b09e-1ab4ff47d42b/nigomopivijomowibetofamul.pdf
- https://cdn-cms.f-static.net/uploads/4365653/normal_5f86fc42e7986.pdf
- https://cdn-cms.f-static.net/uploads/4366009/normal_5f8703f01d619.pdf
- https://cdn-cms.f-static.net/uploads/4366042/normal_5f86f44fe2ada.pdf
- https://cdn-cms.f-static.net/uploads/4365525/normal_5f870acc69bc7.pdf
- https://cdn-cms.f-static.net/uploads/4365626/normal_5f86fff2f0b79.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/
Embedded domains
- gettraff.ru
- uploads.strikinglycdn.com
- site-1038951.mozfiles.com
- site-1038605.mozfiles.com
- site-1043471.mozfiles.com
- site-1040056.mozfiles.com
- cdn.shopify.com
- cdn-cms.f-static.net
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.66.2.5
- 52.110.12.26
- 4.230.171.124
- 4.247.188.224
- 52.230.59.222
- 52.168.112.67
- 20.165.94.63
- 203.26.79.13
- 40.79.167.10
- 52.123.128.14
- 4.247.188.233
- 51.104.15.252
- 48.192.143.121
- 20.42.65.90
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report