SUSPICIOUS — pekapesukidu.pdf
SUSPICIOUS — pekapesukidu.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (68/100). 2 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
2fb5291d783d66b5146f20c4ecff6354ded168d6cb7b8a897729188ba929fafc - SHA-1:
bdfe48a7e5e7d0af280c17cbf076f0128b1acf97 - MD5:
4ead525a4822fee09af8e02f61ba3455 - ssdeep:
768:+gGzpDgqFzWlMnfkXlovkRxn1NBG7CZ2BZWgxkdJ7fXE9B9ETvBPMMC:7GFEqhWlofkevkRFcK2fWgOdJ7/E9IT2 - TLSH:
T19032AFF3209BDC8C758BE703A9A6205C614AD28D31329670999CB73CC5BC7FEAE44951 - Submitted as: pekapesukidu.pdf
- File type: pdf · Size: 43491 bytes
- Verdict: suspicious (68/100)
Detections (2 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
MITRE ATT&CK
Why this verdict
The suspicious score of 68/100 is the fusion of 6 weighted signals:
- Contacted 19 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://ggtraff.ru/wb?keyword=brother%20embroidery%20machine%20manual, https://gumomamomav.weebly.com/uploads/1/3/1/3/131398069/5a0070ab7d83.pdf, https://riramiseba.weebly.com/uploads/1/3/4/3/134369938/edacec4461de.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
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90 - Extracted generic config (4 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9631 behavior events · 1 ATT&CK techniques · 3 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- searchapp.bundleassets.example
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- desktop-hsgcbep
- 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
- 255.255.254.169.in-addr.arpa
- 251.0.0.224.in-addr.arpa
- ntp.ubuntu.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
25188ef1c4f7062984ac9075633df644c5f9a93bec40920cdad39786410bc9a9 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\ee33f69606703671b41dfcf222f1db5a.png -
2278bdfe0c879f6274c0ca58584c7350f8a626969497544486d0be4df60b512c - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ggtraff.ru/wb?keyword=brother%20embroidery%20machine%20manual
- https://s3.amazonaws.com/ropuba/25808910987.pdf
- https://s3.amazonaws.com/gifiz/iti_electrician_tools_name_with_image.pdf
- https://gumomamomav.weebly.com/uploads/1/3/1/3/131398069/5a0070ab7d83.pdf
- https://s3.amazonaws.com/kakef/naloseloxi.pdf
- https://s3.amazonaws.com/desenaz/p3_quiz_answers.pdf
- https://s3.amazonaws.com/xuxifuzituwu/hr_audit_report_sample.pdf
- https://riramiseba.weebly.com/uploads/1/3/4/3/134369938/edacec4461de.pdf
- https://s3.amazonaws.com/mavixu/39099779428.pdf
- https://uploads.strikinglycdn.com/files/4d19ec30-6bfc-4ecb-be7c-fc2c11fb61a9/rock_en_espanol_de_los_80s_y_90s.pdf
- https://s3.amazonaws.com/vezosoluvezoj/persona_5_royal_phone_theme.pdf
- https://uploads.strikinglycdn.com/files/cee28a4b-9d83-4c20-8b59-027826b95e7c/44607648244.pdf
- https://s3.amazonaws.com/sugaguxagu/church_of_nigeria_anglican_communion_liturgy.pdf
- https://uploads.strikinglycdn.com/files/2bd419c2-9f2e-4ce8-a956-f54c1a9b2f72/83623273171.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://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=1787470813&P2=404&P3=2&P4=XCkcrNjiNU95PoCwdHGewzwFMlFcLs85b4Gk8wFWxlfiTGvFm1pjBmXVqv7608vwDQnK%2b47ihKs3d9nGcItPHA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- ggtraff.ru
- s3.amazonaws.com
- gumomamomav.weebly.com
- riramiseba.weebly.com
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 4.247.188.224
- 4.150.223.103
- 52.182.141.63
- 172.67.208.133
- 4.150.223.100
- 52.123.252.243
- 20.165.94.46
- 52.110.12.19
- 52.253.84.76
- 4.230.171.124
- 4.247.188.233
- 203.26.79.13
- 135.232.92.137
- 20.112.250.133
- 85.210.196.11
- 52.123.128.14
- 40.99.133.226
- 20.184.175.9
- 162.159.36.2
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report