MALICIOUS — normal_5f87def0ac704.pdf
MALICIOUS — normal_5f87def0ac704.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (72/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
e2e49e7a9441b54b55697415fdb23132468d1aedc3e06f5a146ad139481a8035 - SHA-1:
d9883ba17abe1d03a60c6921c8ed819cc16c90c4 - MD5:
6577650f42afa82da494aae91b510fb0 - ssdeep:
768:KgGzpDPpCXT85At+AFjwcxq5ikGBEFe/4IKDfKx3wjvVyi9L0YDZkIxTX7BtB9LO:XGFTpv0+AqkIyi9BDNX7BtB9s0c - TLSH:
T1E032ADF310A7DD4C3A869F036EEE255D918DDB4960B2966584887B2CC4BC3BE7F41901 - Submitted as: normal_5f87def0ac704.pdf
- File type: pdf · Size: 46860 bytes
- Verdict: malicious (72/100)
Detections (3 of 53 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 malicious score of 72/100 is the fusion of 6 weighted signals:
- Contacted 15 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/636d887a-3a86-4f05-b574-67f385fa856d/finutazexol.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/123?keyword=california+itemized+deductions+worksheet+2020, https://uploads.strikinglycdn.com/files/636d887a-3a86-4f05-b574-67f385fa856d/finutazexol.pdf, https://uploads.strikinglycdn.com/files/6144bedd-c96e-4f80-8133-1aebded7e0d7/voginuve.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 (12 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9824 behavior events · 0 ATT&CK techniques · 3 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- 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
- 250.255.255.239.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
- 252.0.0.224.in-addr.arpa
- ntp.ubuntu.com
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
549cb08aa4f19579a250e815fa723676c730d444598b37921a2176a8a311102f - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\bdba493c09a11f30d9d87015f9ad699d.png -
7706d69f54343db19e8dbea8acf3164314c658bdd5977f0589ac2f3b33e80765 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=california+itemized+deductions+worksheet+2020
- https://uploads.strikinglycdn.com/files/636d887a-3a86-4f05-b574-67f385fa856d/finutazexol.pdf
- https://uploads.strikinglycdn.com/files/6144bedd-c96e-4f80-8133-1aebded7e0d7/voginuve.pdf
- https://uploads.strikinglycdn.com/files/a7fc68c5-6d2f-40b6-a4ec-983bc45d7c83/zupilarowajiw.pdf
- https://uploads.strikinglycdn.com/files/f6b894e1-8e03-4b35-af9f-983ae5cad578/xudodazaw.pdf
- https://uploads.strikinglycdn.com/files/6b51298d-99d5-401b-a79c-5dbb2240667e/40303087227.pdf
- https://cdn-cms.f-static.net/uploads/4366044/normal_5f874f09e5d17.pdf
- https://cdn.shopify.com/s/files/1/0501/1380/6486/files/fathered_by_god_workbook.pdf
- https://cdn.shopify.com/s/files/1/0483/8070/6976/files/20_inch_gas_range_home_depot.pdf
- https://cdn.shopify.com/s/files/1/0479/6973/0723/files/snail_bob_5_unblocked_at_school.pdf
- https://cdn-cms.f-static.net/uploads/4366341/normal_5f8719c69073c.pdf
- https://cdn-cms.f-static.net/uploads/4365620/normal_5f87bd27b83fe.pdf
- https://cdn-cms.f-static.net/uploads/4366004/normal_5f879c62b8533.pdf
- https://cdn-cms.f-static.net/uploads/4366047/normal_5f87ccb7e78fe.pdf
- https://cdn-cms.f-static.net/uploads/4366022/normal_5f87a51badbb2.pdf
- https://vozunutav.weebly.com/uploads/1/3/0/9/130969695/zekalujenopavib.pdf
- https://vimiwegom.weebly.com/uploads/1/3/0/7/130775837/5769995.pdf
- https://cdn.shopify.com/s/files/1/0437/2643/8550/files/86450088687.pdf
- https://cdn.shopify.com/s/files/1/0497/4870/5434/files/donation_receipt_template_australia.pdf
- https://cdn.shopify.com/s/files/1/0427/8845/4559/files/vocabulary_practice_3_prefixes_answers_prentice_hall.pdf
- https://cdn.shopify.com/s/files/1/0438/1684/5469/files/warframe_orokin_cell_blueprint_reusable.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/
Embedded domains
- cctraff.ru
- uploads.strikinglycdn.com
- cdn-cms.f-static.net
- cdn.shopify.com
- vozunutav.weebly.com
- vimiwegom.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 72.154.7.101
- 52.110.12.49
- 48.211.4.16
- 4.230.171.124
- 20.247.185.124
- 135.233.95.144
- 40.79.163.155
- 20.231.239.246
- 52.123.129.14
- 135.233.45.222
- 52.123.252.232
- 72.145.35.96
- 203.26.79.13
- 92.223.78.30
- 52.168.112.66
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report