MALICIOUS — normal_5f877d0327777.pdf
MALICIOUS — normal_5f877d0327777.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:
816b8240397834b6427f1da8f12da4fe07394e369aec525e967fd161134d18d6 - SHA-1:
69b1ccd035ca541696bd8f1005764a138861ce66 - MD5:
916facf624cb3f565a78dae9f8b2dd17 - ssdeep:
768:zgGzpDNpM5PLCX2OpNkPqXqQJdhYCk96esmy9BaHSracJ4UzbDzWLMCc4ul4cAu4:MGFhpAPFBEBaHSracJvzTNNtl4cj4 - TLSH:
T19E328CF32557DD8D7AC3DB87AAEA25598519DB886022EB504498672CC07C3FC7F20A90 - Submitted as: normal_5f877d0327777.pdf
- File type: pdf · Size: 45447 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 15 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/1f5958e4-fb06-4441-bc1f-ad420181b427/17641414573.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://ggtraff.ru/123?keyword=carboxylic+acids+nomenclature+worksheet, https://cdn.shopify.com/s/files/1/0434/3093/6733/files/types_of_clarinets.pdf, https://cdn.shopify.com/s/files/1/0496/7078/3129/files/17676671445.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 (10 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9702 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
- 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
- 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
- 250.255.255.239.in-addr.arpa
- desktop-hsgcbep
- 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\fe8954f7783a2351630765bbb3a94c24.png -
16fcf91b8830398187386dbe5688e42668429738aea696c53ed2517057dab6ab - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
e7e32ee5c5eb9a4a129e3ad2c4732bed380250b71b3cb3f5acc1ea3bf26c9f00 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ggtraff.ru/123?keyword=carboxylic+acids+nomenclature+worksheet
- https://cdn.shopify.com/s/files/1/0434/3093/6733/files/types_of_clarinets.pdf
- https://cdn.shopify.com/s/files/1/0484/1914/3834/files/minecraft_1.2.5_download_pc.pdf
- https://cdn.shopify.com/s/files/1/0496/7078/3129/files/17676671445.pdf
- https://cdn.shopify.com/s/files/1/0439/2891/2040/files/vakavugamuzob.pdf
- https://cdn.shopify.com/s/files/1/0435/3795/7023/files/20837820162.pdf
- https://uploads.strikinglycdn.com/files/1f5958e4-fb06-4441-bc1f-ad420181b427/17641414573.pdf
- https://uploads.strikinglycdn.com/files/64b00aef-ecb3-459e-aa78-e61b999176c4/nabomimumamufepuder.pdf
- https://cdn.shopify.com/s/files/1/0438/3526/1085/files/port_clinton_lake_erie_fishing_report.pdf
- https://cdn.shopify.com/s/files/1/0428/8544/7833/files/64733193036.pdf
- https://cdn.shopify.com/s/files/1/0434/2687/3509/files/pathfinder_ranged_touch_attack_into_melee.pdf
- https://cdn-cms.f-static.net/uploads/4366653/normal_5f8742cd56b93.pdf
- https://cdn-cms.f-static.net/uploads/4366309/normal_5f871d56efe7d.pdf
- https://cdn-cms.f-static.net/uploads/4365608/normal_5f8779b4145ce.pdf
- https://cdn.shopify.com/s/files/1/0266/8996/2167/files/idatalink_maestro_rr_install.pdf
- https://cdn.shopify.com/s/files/1/0501/8481/4770/files/freestyle_mobile_sea_apk.pdf
- https://site-1048564.mozfiles.com/files/1048564/54213536602.pdf
- https://site-1036862.mozfiles.com/files/1036862/risoke.pdf
- https://site-1042287.mozfiles.com/files/1042287/kedipogatud.pdf
- https://site-1038378.mozfiles.com/files/1038378/besalagapikonebuwukulet.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/
Embedded domains
- ggtraff.ru
- cdn.shopify.com
- uploads.strikinglycdn.com
- cdn-cms.f-static.net
- site-1048564.mozfiles.com
- site-1036862.mozfiles.com
- site-1042287.mozfiles.com
- site-1038378.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.148.114.188
- 74.178.76.128
- 51.105.71.137
- 4.144.132.223
- 4.230.171.124
- 4.150.223.106
- 20.112.250.133
- 20.165.94.63
- 135.232.92.137
- 52.123.128.14
- 172.178.240.162
- 74.179.71.159
- 203.26.79.13
- 20.42.65.94
- 48.200.63.27
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report