MALICIOUS — 38136e0f9c984a61ce17b9a0724efe4877fa6daef56754a4583882bb806ca515

MALICIOUS — 38136e0f9c984a61ce17b9a0724efe4877fa6daef56754a4583882bb806ca515 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (94/100). 3 of 54 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: 38136e0f9c984a61ce17b9a0724efe4877fa6daef56754a4583882bb806ca515
• SHA-1: 347532eaee631adbad78feb41cd859bcab0aa19f
• MD5: c459ae45814cb75d2bc26bd63732318d
• ssdeep: 768:VgGzpDTHXMStIfet5Vx4ukeRdgGatKXI35uyTQgu4A5yPCirM0:GGFnhKeDX4uke/LaZ3egXA8hrM0
• TLSH: T14C32BFF361A7CC882E86DF436EB914597086D78C213256A098E87F7CC47C6BDAE41960
• Submitted as: 38136e0f9c984a61ce17b9a0724efe4877fa6daef56754a4583882bb806ca515
• File type: pdf · Size: 47534 bytes
• Verdict: malicious (94/100)

Detections (3 of 54 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• Emsisoft (Emergency Kit): PDF.Spam.Heur.1
• Kaspersky (KVRT): HEUR:Trojan.Script.Generic

MITRE ATT&CK

• T1105
• T1566.002

Why this verdict

The malicious score of 94/100 is the fusion of 9 weighted signals:

• Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule PDF.Spam.Heur.1) - engine signal, weight 0.55, confidence 0.85
• Kaspersky (KVRT) flagged HEUR:Trojan.Script.Generic (rule HEUR:Trojan.Script.Generic) - engine signal, weight 0.55, confidence 0.85
• Contacted 15 external host(s) and 3 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
• MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-blob (rule high-entropy-blob) - engine signal, weight 0.35, confidence 0.70
• Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/390d41f0-e50f-4945-898c-6d0a3903c6c3/54751724180.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: https://gettraff.ru/123?keyword=play+poker+free+against+computer, https://xasotuda.weebly.com/uploads/1/3/4/2/134235861/puses.pdf, https://cdn-cms.f-static.net/uploads/4401515/normal_5f9788db73e11.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)

1004 behavior events · 0 ATT&CK techniques · 1 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• c.pki.goog
• x2.c.lencr.org
• ye.c.lencr.org
• yr.c.lencr.org
• desktop-hsgcbep(3)._dosvc._tcp.local
• desktop-hsgcbep._dosvc._tcp.local
• desktop-hsgcbep(1)._dosvc._tcp.local
• desktop-hsgcbep(2)._dosvc._tcp.local
• desktop-hsgcbep(4)._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://c.pki.goog/r/r1.crl
• http://x2.c.lencr.org/
• http://ye.c.lencr.org/

Dropped files

• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• https://gettraff.ru/123?keyword=play+poker+free+against+computer
• https://xasotuda.weebly.com/uploads/1/3/4/2/134235861/puses.pdf
• https://cdn-cms.f-static.net/uploads/4401515/normal_5f9788db73e11.pdf
• https://cdn-cms.f-static.net/uploads/4380536/normal_5f9b9d3c6862d.pdf
• https://s3.amazonaws.com/bupijila/appsc_group_4_syllabus_2019_download.pdf
• https://uploads.strikinglycdn.com/files/390d41f0-e50f-4945-898c-6d0a3903c6c3/54751724180.pdf
• https://cdn-cms.f-static.net/uploads/4374696/normal_5f9a5a6f34867.pdf
• https://uploads.strikinglycdn.com/files/646b6e30-9e26-409d-acb5-2a070dfdd144/47945619336.pdf
• https://s3.amazonaws.com/fekaduvopigab/5.1_calculating_properties_shapes_answer_key.pdf
• https://s3.amazonaws.com/henghuili-files2/67748230369.pdf
• https://s3.amazonaws.com/leguvefu/34978260674.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://c.pki.goog/r/r1.crl
• http://x2.c.lencr.org/
• http://ye.c.lencr.org/
• http://c.pki.goog/wr2/9UVbN0w5E6Y.crl
• http://yr.c.lencr.org/

Embedded domains

• gettraff.ru
• xasotuda.weebly.com
• cdn-cms.f-static.net
• s3.amazonaws.com
• uploads.strikinglycdn.com
• www.w3.org
• purl.org
• ns.adobe.com
• x2.c.lencr.org
• ye.c.lencr.org
• yr.c.lencr.org

Embedded IP addresses

• 57.154.63.210
• 48.211.4.16
• 20.184.175.14
• 72.145.35.96
• 135.232.92.137
• 20.42.179.204
• 4.150.223.115
• 52.110.12.30
• 52.110.12.3
• 4.230.171.124
• 74.178.76.128
• 52.182.141.63
• 4.150.223.102
• 4.247.188.233
• 72.145.35.100

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report