SUSPICIOUS — normal_5f8eccb245fca.pdf
SUSPICIOUS — normal_5f8eccb245fca.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (66/100). 3 of 50 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
9f7d1afdc5205b926a5af8742211792c3f9c86d7181210f20126d7164a320432 - SHA-1:
b35bf0fedfbe774360a680b7077297ca0f08b830 - MD5:
6110bc11fe403f172664e53574f628a1 - ssdeep:
768:+gGzpD4pOyV0wDdhbNkneawd0+QJ5m1C96fSzS4bVCP/VFCJG8vD8D9xbTS85ZL:7GF8pOStmeaLtY3CJG8bAfi85ZL - TLSH:
T16333AEF31193ED4C7A87AB037DE616AA814DD7886131E774089C776CC4BC6BD6E40A24 - Submitted as: normal_5f8eccb245fca.pdf
- File type: pdf · Size: 48114 bytes
- Verdict: suspicious (66/100)
Detections (3 of 50 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 suspicious score of 66/100 is the fusion of 7 weighted signals:
- Embedded link rated suspicious by URL analysis: https://mumixopid.weebly.com/uploads/1/3/1/8/131872042/wimejovara.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://gettraff.ru/123?keyword=fetal+circulation+pdf+anatomy, https://wuvirinofibugiz.weebly.com/uploads/1/3/1/0/131070402/2637506.pdf, https://mumixopid.weebly.com/uploads/1/3/1/8/131872042/wimejovara.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 - Contacted 8 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
- Extracted generic config (19 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9670 behavior events · 1 ATT&CK techniques · 3 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- searchapp.bundleassets.example
- staging.to-do.officeppe.com
- inference.location.live.net
- ntp.ubuntu.com
- 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
- 252.0.0.224.in-addr.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
- 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
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- 23.40.52.209
- 23.11.37.157
- 192.168.122.109
- 162.159.142.9 US · San Francisco · AS13335 Cloudflare, Inc.
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\18e055df4b549d95cff3afd82094cd3b.png -
fb8e1fec0dfcedbb610ad1f09fdfb3c079037006dd738403f13d2e99dc2ade02 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
cdd594377e9bec05740fa099eaaca5d6835101ad5dfdab330246c2409fea827f - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/123?keyword=fetal+circulation+pdf+anatomy
- https://wuvirinofibugiz.weebly.com/uploads/1/3/1/0/131070402/2637506.pdf
- https://mumixopid.weebly.com/uploads/1/3/1/8/131872042/wimejovara.pdf
- https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/nipomomuka_gisotufeje.pdf
- https://uploads.strikinglycdn.com/files/1c38e730-acdc-4adf-b8e7-d842064507ed/74160961430.pdf
- https://uploads.strikinglycdn.com/files/494f966d-af46-4791-ad46-8ce1abc12e3a/82182833709.pdf
- https://xesaranit.weebly.com/uploads/1/3/2/6/132696194/6597744.pdf
- https://femitinekabel.weebly.com/uploads/1/3/1/4/131437683/b809bb63d.pdf
- https://cdn-cms.f-static.net/uploads/4366344/normal_5f870ddf8bfbb.pdf
- https://cdn-cms.f-static.net/uploads/4383156/normal_5f8bf7825b6fe.pdf
- https://cdn-cms.f-static.net/uploads/4370740/normal_5f89595449cfb.pdf
- https://cdn-cms.f-static.net/uploads/4368984/normal_5f8d7d4a0b25f.pdf
- https://cdn-cms.f-static.net/uploads/4366662/normal_5f88d7b29a2fa.pdf
- https://cdn.shopify.com/s/files/1/0484/7439/0678/files/vintage_polaris_snowmobile_manuals.pdf
- https://cdn.shopify.com/s/files/1/0436/1453/5843/files/22058572924.pdf
- https://cdn.shopify.com/s/files/1/0266/9087/9667/files/vokuwiviboguves.pdf
- https://cdn.shopify.com/s/files/1/0436/9501/4056/files/vocabulary_level_d_unit_11_answers.pdf
- https://cdn.shopify.com/s/files/1/0495/9679/2996/files/22528230143.pdf
- https://cdn.shopify.com/s/files/1/0500/9988/0099/files/82225964565.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/
Embedded domains
- gettraff.ru
- wuvirinofibugiz.weebly.com
- mumixopid.weebly.com
- jakedekokobara.weebly.com
- uploads.strikinglycdn.com
- xesaranit.weebly.com
- femitinekabel.weebly.com
- cdn-cms.f-static.net
- cdn.shopify.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 162.159.142.9
- 4.150.223.110
- 74.179.71.159
- 57.155.101.212
- 74.178.76.128
- 135.233.95.144
- 4.230.171.124
- 203.26.79.13
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report