SUSPICIOUS — 8007336.pdf
SUSPICIOUS — 8007336.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (56/100). 2 of 50 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
a4c2fc28ef3f8dfe611379aeebc56e8df9ea80390e60c7babd8d6994f49967a6 - SHA-1:
4e65310ee04716cec574cdbcfb7f47ab44c1f4ba - MD5:
51a90ab0f43d12630299465548384d9c - ssdeep:
768:igGzpDCpsZ7rGz/qRYbrLNVsGYGwlMq8NtrOfI47orKHCr2huCxrNVuMPvibarDh:/GFWpsx+kfBe2LxrNcMP6WRaO - TLSH:
T17C328EF31097DD8D3ACB5B0B6ED71159604AD388A13697A144CC773CD8BCAED2E10A25 - Submitted as: 8007336.pdf
- File type: pdf · Size: 46971 bytes
- Verdict: suspicious (56/100)
Detections (2 of 50 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 56/100 is the fusion of 6 weighted signals:
- Embedded network infrastructure: https://cctraff.ru/wb?keyword=worksheet%20triangle%20sum%20and%20exterior%20angle%20theorem%20pdf, https://cdn.shopify.com/s/files/1/0432/6791/5936/files/pewotizokafesajabuniw.pdf, https://cdn.shopify.com/s/files/1/0484/6898/3969/files/98670633164.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 13 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
- Extracted generic config (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9886 behavior events · 1 ATT&CK techniques · 3 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- searchapp.bundleassets.example
- inference.location.live.net
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.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
- 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
- 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
- 250.255.255.239.in-addr.arpa
- ntp.ubuntu.com
- 255.255.254.169.in-addr.arpa
- 79.243.254.169.in-addr.arpa
- 251.0.0.224.in-addr.arpa
- http://www.msftconnecttest.com/connecttest.txt
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\bb853b074ad3f7cd8f32962e5ba6e681.png -
be1d460b24bcee91aa00a4b70048be7e5a2ec9181708cec4ad4589cbca47c27f - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
970225d074ff513686188f09032e13cd41e9f7340cbb0d1799df580d12b894f6 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/wb?keyword=worksheet%20triangle%20sum%20and%20exterior%20angle%20theorem%20pdf
- https://cdn.shopify.com/s/files/1/0432/6791/5936/files/pewotizokafesajabuniw.pdf
- https://cdn.shopify.com/s/files/1/0484/6898/3969/files/98670633164.pdf
- https://cdn.shopify.com/s/files/1/0484/8910/3515/files/mobile_homes_for_rent_in_ct.pdf
- https://uploads.strikinglycdn.com/files/7c8f6638-4bc0-455c-a8fe-3c94ef4cfb42/dapifipi.pdf
- https://cdn-cms.f-static.net/uploads/4366040/normal_5f9439e5ae3ed.pdf
- https://cdn-cms.f-static.net/uploads/4375708/normal_5f95f3f964cb4.pdf
- https://cdn-cms.f-static.net/uploads/4381083/normal_5f950abd05f50.pdf
- https://cdn-cms.f-static.net/uploads/4403804/normal_5f927b310a777.pdf
- https://xebivonejawaf.weebly.com/uploads/1/3/4/0/134096192/pulefamuvolepol_pukuvadi_xaxuvibiwefutur_tusudete.pdf
- https://penulikadima.weebly.com/uploads/1/3/1/4/131482887/gejugofofo.pdf
- https://sewiwojura.weebly.com/uploads/1/3/4/3/134371681/turude.pdf
- https://jukafubu.weebly.com/uploads/1/3/0/8/130874261/zigive.pdf
- https://ximazula.weebly.com/uploads/1/3/0/7/130738777/a9e59e66c.pdf
- https://cdn-cms.f-static.net/uploads/4366964/normal_5f88b280492e6.pdf
- https://cdn-cms.f-static.net/uploads/4367950/normal_5f885a84be450.pdf
- https://cdn-cms.f-static.net/uploads/4375696/normal_5f96696a57f24.pdf
- https://cdn-cms.f-static.net/uploads/4411937/normal_5f95b095b8f00.pdf
- https://cdn-cms.f-static.net/uploads/4368758/normal_5f92af748402d.pdf
- https://cdn.shopify.com/s/files/1/0497/7888/4759/files/que_es_un_bucle.pdf
- https://cdn.shopify.com/s/files/1/0482/4606/3258/files/honeywell_camera_system_manual.pdf
- https://cdn.shopify.com/s/files/1/0266/7783/8015/files/oir_test_questions_download.pdf
- https://cdn.shopify.com/s/files/1/0500/5328/4008/files/jagajogogi.pdf
- https://cdn.shopify.com/s/files/1/0433/6680/9765/files/kolexijisorifaguw.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
Embedded domains
- cctraff.ru
- cdn.shopify.com
- uploads.strikinglycdn.com
- cdn-cms.f-static.net
- xebivonejawaf.weebly.com
- penulikadima.weebly.com
- sewiwojura.weebly.com
- jukafubu.weebly.com
- ximazula.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.123.252.243
- 4.144.132.223
- 52.110.12.42
- 172.178.240.161
- 20.165.94.63
- 20.247.184.142
- 40.84.97.4
- 52.123.252.225
- 52.123.129.14
- 72.154.7.100
- 40.103.64.226
- 4.230.171.124
- 74.178.232.29
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report