MALICIOUS — normal_5f8cb40c1e4d1.pdf
MALICIOUS — normal_5f8cb40c1e4d1.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (86/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
559a9a21f5e49c73fba4e1d47a8f625f865890447642e59643c8265036792404 - SHA-1:
479d76b2a1c8468f7d3e1ebabff138de90f18417 - MD5:
ccab85eff8e86aad7429354bd4144ca2 - ssdeep:
768:+gGzpDyexlaSzNslCyJMapKdHwsuOEyTCjedEWKinhQMNlkDgjbuu5y86jh:7GFeebaaSnMZCjNWKinWWjbuuX6jh - TLSH:
T1E2338EF361A3DD8D7BCA6B43BDAB0659654AD38C2232575044CC7B2CC07CABDAD01A91 - Submitted as: normal_5f8cb40c1e4d1.pdf
- File type: pdf · Size: 47793 bytes
- Verdict: malicious (86/100)
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 86/100 is the fusion of 7 weighted signals:
- Memory forensics: 4 finding(s), e.g. RWX/private injected region in SumatraPDF.exe (pid 3792) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - Contacted 12 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/cd2b914d-efcf-4ff2-958d-fb9ffa44995b/8861046063.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://ttraff.link/123?keyword=vlc+media+player+apk+for+computer, https://cdn-cms.f-static.net/uploads/4367947/normal_5f89e1f7c91fa.pdf, https://cdn-cms.f-static.net/uploads/4366009/normal_5f8caedba7f35.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)
9782 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
- 250.255.255.239.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
- 252.0.0.224.in-addr.arpa
- desktop-hsgcbep._dosvc._tcp.local
- 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 -
6d76757a647b1d6459eb74e44ca89d740ccf30504f870c123ef24f9ff8712fde - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\888fbe43c5e6bcc8217ff93ffed53ebc.png -
d397e9532ed50e4f13d1559fd2a5047f6ae446ebbb3df549c4a7daf75a43b78e - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ttraff.link/123?keyword=vlc+media+player+apk+for+computer
- https://cdn-cms.f-static.net/uploads/4367947/normal_5f89e1f7c91fa.pdf
- https://cdn-cms.f-static.net/uploads/4366009/normal_5f8caedba7f35.pdf
- https://cdn-cms.f-static.net/uploads/4373517/normal_5f8b61c290d14.pdf
- https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/jogowezokuvaxu.pdf
- https://sevanilab.weebly.com/uploads/1/3/1/4/131437268/e13a1631.pdf
- https://pevugubak.weebly.com/uploads/1/3/2/7/132740457/63117c5.pdf
- https://ziripovopibew.weebly.com/uploads/1/3/0/8/130874468/939beca080df8.pdf
- https://uploads.strikinglycdn.com/files/cd2b914d-efcf-4ff2-958d-fb9ffa44995b/8861046063.pdf
- https://uploads.strikinglycdn.com/files/2f7a3200-7a0d-4a9f-94bc-0d9028d75ec3/punonoxufizodaxenoliginet.pdf
- https://uploads.strikinglycdn.com/files/6602043c-cd6a-475b-a51c-225bc5de32fc/nowasuguvibavotupusada.pdf
- https://uploads.strikinglycdn.com/files/e0eeee3d-0823-45bd-a289-7f6779edde26/vujifawovexiwifikixeges.pdf
- https://uploads.strikinglycdn.com/files/c014d083-36c7-4202-bc3a-d317eb45cf2b/beloredonimabu.pdf
- https://uploads.strikinglycdn.com/files/a57fc0fd-c52f-47d5-b707-84988820afde/luzaruzujowitujudele.pdf
- https://uploads.strikinglycdn.com/files/db6c9b96-348c-4730-89c8-528a9f6a31c1/53349961979.pdf
- https://cdn.shopify.com/s/files/1/0434/1540/4695/files/15600877706.pdf
- https://cdn.shopify.com/s/files/1/0501/8304/5293/files/krups_savoy_coffee_maker_user_manual.pdf
- https://cdn.shopify.com/s/files/1/0432/3619/6507/files/hungry_caterpillar_fruit_printables.pdf
- https://cdn.shopify.com/s/files/1/0497/6050/1921/files/teks_pembukaan_uud_1945_untuk_upacara.pdf
- https://uploads.strikinglycdn.com/files/1de94514-367b-449f-969d-8841212bf54e/craftsman_7800_pro_series_parts_manual.pdf
- https://uploads.strikinglycdn.com/files/bd93861d-c2de-45a6-b352-64a13684eef5/xudikilisorip.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
- ttraff.link
- cdn-cms.f-static.net
- zoxuzuxebexot.weebly.com
- sevanilab.weebly.com
- pevugubak.weebly.com
- ziripovopibew.weebly.com
- uploads.strikinglycdn.com
- cdn.shopify.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.66.2.5
- 4.247.188.224
- 52.110.12.4
- 52.110.12.42
- 4.230.171.124
- 20.52.64.200
- 20.76.201.171
- 52.123.128.14
- 135.232.92.34
- 203.26.79.13
- 172.178.240.162
- 52.178.17.2
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report