MALICIOUS — normal_5f9531de3ac69.pdf
MALICIOUS — normal_5f9531de3ac69.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (82/100). 3 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
80da5ea40342aec0e35a13dfad002d943dcbb00390dbc5da870ec63039255094 - SHA-1:
9b7d4b5f109d21fdaa35ef3b2c7aacea2357c64e - MD5:
9dc3bdd6f6b5b39d8310c94948fa9786 - ssdeep:
1536:6GFJ3U4V7e9GDaCddHCXF+IbiQqlkLss:jFJ3JJaMdH6UIbiQq+r - TLSH:
T16533BFF3A057ED4C7E875B13ADBA1169A149D78D6132E3A00888772CDCFC6BD6E24460 - Submitted as: normal_5f9531de3ac69.pdf
- File type: pdf · Size: 51847 bytes
- Verdict: malicious (82/100)
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 82/100 is the fusion of 6 weighted signals:
- Memory forensics: 4 finding(s), e.g. RWX/private injected region in SumatraPDF.exe (pid 8432) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - Contacted 19 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/123?keyword=get+display+dimensions+android, https://uploads.strikinglycdn.com/files/4caa0bab-b4e5-44f3-94dc-33f3a254ee23/fasibivuxe.pdf, https://uploads.strikinglycdn.com/files/8317d297-107c-4bb6-b1fa-4c5280204c7e/58617024080.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 (13 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9728 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
- 250.255.255.239.in-addr.arpa
- 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
- 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\sumatrapdfcache\b898b220de4ed14594886e597d5295b1.png -
138c6c5b1aa52184d9ff940dded18d9389ae4e7b5f7514eed9127268f6c56226 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
282495f4a37267f07a2e3d52f31ff2413ee6698f91dd4226b4c792321bff421a - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=get+display+dimensions+android
- https://s3.amazonaws.com/didowugorokirug/gupox.pdf
- https://s3.amazonaws.com/fukezavazuj/gafej.pdf
- https://s3.amazonaws.com/jivuxo/english_words_with_meaning_in_urdu.pdf
- https://uploads.strikinglycdn.com/files/4caa0bab-b4e5-44f3-94dc-33f3a254ee23/fasibivuxe.pdf
- https://uploads.strikinglycdn.com/files/8317d297-107c-4bb6-b1fa-4c5280204c7e/58617024080.pdf
- https://uploads.strikinglycdn.com/files/04fee907-33c0-4f05-9781-a2fc57ffd430/29656740163.pdf
- https://uploads.strikinglycdn.com/files/a7d5f3ba-340d-46e6-a957-404fafd231ca/pharmaceutical_calculations_workbook.pdf
- https://uploads.strikinglycdn.com/files/08ea0c6c-f24b-4687-a14f-9f5d6625ecb1/vocabulario_medio_ambiente_frances_b.pdf
- https://uploads.strikinglycdn.com/files/1849be26-7f4b-44cc-b807-91d0cf98004b/99563309296.pdf
- https://uploads.strikinglycdn.com/files/0d9d10a9-5b51-45a5-b4dd-2dfd38f4418f/murikarolijuwukufegax.pdf
- https://cdn.shopify.com/s/files/1/0437/6779/1765/files/bones_episodes_guide_wiki.pdf
- https://cdn.shopify.com/s/files/1/0430/3355/9203/files/seaborn_show_multiple_plots.pdf
- https://cdn-cms.f-static.net/uploads/4382193/normal_5f9183c9e959d.pdf
- https://cdn-cms.f-static.net/uploads/4380527/normal_5f8b8fca8411a.pdf
- https://cdn-cms.f-static.net/uploads/4388617/normal_5f8f3a9a90b4e.pdf
- https://cdn-cms.f-static.net/uploads/4376849/normal_5f9261f8c94e9.pdf
- https://cdn-cms.f-static.net/uploads/4387060/normal_5f94aeeb251f6.pdf
- https://fapifejoj.weebly.com/uploads/1/3/4/2/134265577/2049486.pdf
- https://jobubati.weebly.com/uploads/1/3/1/4/131453688/9423201.pdf
- https://viziwebaf.weebly.com/uploads/1/3/3/9/133999863/4326881.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
- s3.amazonaws.com
- uploads.strikinglycdn.com
- cdn.shopify.com
- cdn-cms.f-static.net
- fapifejoj.weebly.com
- jobubati.weebly.com
- viziwebaf.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 135.232.92.34
- 172.172.255.217
- 135.232.92.137
- 52.123.252.241
- 57.155.104.224
- 20.184.175.10
- 52.110.12.8
- 4.230.171.124
- 57.154.63.210
- 135.233.95.144
- 4.150.223.99
- 52.123.129.14
- 52.123.128.14
- 172.178.240.161
- 72.153.5.134
- 203.26.79.13
- 40.84.85.40
- 40.79.150.123
- 52.148.114.188
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report