SUSPICIOUS — 61236751103.pdf
SUSPICIOUS — 61236751103.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (68/100). 4 of 50 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
51ab02978d998bc1670c70ae754893736cd61f427e7c57f32db63f3cd3a9c72c - SHA-1:
fc67deb1307a04cc3e1088b3854bab29f0ba2256 - MD5:
d46b4bf7af051ac2a9195a71a8774a6b - ssdeep:
768:egGzpD4b76we9PRO6ECALWpjNl0jEdGJaAXzOWjPxrzmkjAZt4ROMuHTNl/a/5:bGFkl+NgJ5XFPxrSkcaOD5l/a/5 - TLSH:
T1D232BFF310A7DD8C3ECAAB036DEB1055A189D64C6132DBA155897B7CD87CABC7E10920 - Submitted as: 61236751103.pdf
- File type: pdf · Size: 45944 bytes
- Verdict: suspicious (68/100)
Detections (4 of 50 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Microsoft Defender: flagged
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Kaspersky (KVRT): HEUR:Trojan.Script.Generic
MITRE ATT&CK
Why this verdict
The suspicious score of 68/100 is the fusion of 6 weighted signals:
- Contacted 27 external host(s) at runtime (20 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=ps2+emulator+bios+apk, https://cdn.shopify.com/s/files/1/0438/4587/7922/files/74167165896.pdf, https://cdn.shopify.com/s/files/1/0462/8162/1664/files/labelled_diagram_of_a_dicot_leaf.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 (15 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
8663 behavior events · 1 ATT&CK techniques · 2 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
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\dc483ee01e16e567e97e5df134e1293e.png -
39ecc4b4bfb8a4b3aaecfeef707ad971678d7048e29e72a12f6fbbc65fbeed14 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
f930303747b88a88484bbb87bdaf6ff66b0092ec7601cc68e4c2d47bffe4cc39
Embedded URLs
- https://cctraff.ru/strik?keyword=ps2+emulator+bios+apk
- https://cdn.shopify.com/s/files/1/0438/4587/7922/files/74167165896.pdf
- https://cdn.shopify.com/s/files/1/0462/8162/1664/files/labelled_diagram_of_a_dicot_leaf.pdf
- https://cdn.shopify.com/s/files/1/0438/3594/9218/files/refiruneges.pdf
- https://cdn.shopify.com/s/files/1/0482/8604/0228/files/60437893316.pdf
- https://cdn.shopify.com/s/files/1/0434/9306/4870/files/28362059691.pdf
- https://cdn.shopify.com/s/files/1/0431/1020/3556/files/dell_drivers_update_canada.pdf
- https://cdn.shopify.com/s/files/1/0439/5194/7931/files/float_switch_symbols.pdf
- https://cdn.shopify.com/s/files/1/0483/9548/5352/files/degiva.pdf
- http://diluneko.sheilakoren.com/uploads/1/3/1/6/131606490/9141beb6d0dcc.pdf
- http://files.teaboks.com/uploads/1/3/1/4/131438188/rizasoz-xojoriz-konuluvofa-libabepibeme.pdf
- http://files.mbapierce-rex.com/uploads/1/3/1/3/131384121/613366.pdf
- http://files.sugartopfarm.com/uploads/1/3/1/3/131379110/4356196.pdf
- https://uploads.strikinglycdn.com/files/46f7e573-09a1-43ca-9413-0896c98c1af4/xadid.pdf
- https://uploads.strikinglycdn.com/files/189c3e41-5cbc-41aa-b75b-1529f4544d83/giletokuvomuribodo.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
Embedded domains
- cctraff.ru
- cdn.shopify.com
- diluneko.sheilakoren.com
- files.teaboks.com
- files.mbapierce-rex.com
- files.sugartopfarm.com
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
- aefd.nelreports.net
Embedded IP addresses
- 20.50.73.5
- 52.230.60.54
- 4.230.171.124
- 4.247.188.233
- 40.84.97.4
- 20.165.94.63
- 20.42.73.25
- 20.165.94.54
- 52.123.128.14
- 4.150.223.112
- 172.178.240.161
- 162.159.142.9
- 52.182.143.212
- 52.148.114.188
- 20.236.44.162
- 52.123.129.14
- 40.103.64.242
- 51.104.15.252
- 52.123.252.227
- 52.110.12.50
- 203.26.79.13
- 52.110.12.3
- 52.123.252.222
- 74.178.232.29
- 72.145.35.101
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report