MALICIOUS — normal_5f878b78ef244.pdf
MALICIOUS — normal_5f878b78ef244.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:
9a09c6095b686c013ee685b6b135696568216f72665ce9406d7d75d9191796e8 - SHA-1:
4338ebe0607993c1858dc59daaeb9fb8ea73a12b - MD5:
d244da8ef16d515c78597135726e1dbb - ssdeep:
768:hgGzpDNpnkkoBE/EjRrgxbJuVtgf63T1wmi/hechDobEud7cv/K99sbHHGJgkZWT:SGFZpkkoXCftf6LYRDRuf9CbnGJLLQCo - TLSH:
T1BD339DF324A7ED4D3A978B03AEEA1519158AD78C6232D76058CC762DD0BC2BDBF50811 - Submitted as: normal_5f878b78ef244.pdf
- File type: pdf · Size: 48389 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: 3 finding(s), e.g. RWX/private injected region in SumatraPDF.exe (pid 9176) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - Contacted 19 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/7160dcc6-0153-456c-bef1-454caaae7863/89896121137.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://gettraff.ru/123?keyword=matlab+graphical+user+interface+guide, https://uploads.strikinglycdn.com/files/7160dcc6-0153-456c-bef1-454caaae7863/89896121137.pdf, https://uploads.strikinglycdn.com/files/48dbcd4e-0ee2-456d-a750-fcd62d7e2acc/tamojazodir.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 (5 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9791 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
- ntp.ubuntu.com
- 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
- 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\0b1bed917f42c3d389f3ae12f22c8940.png -
28ec7a575ce9b50e70da5c34d9785951da424de3c5d4d618e1bb35c9fb45ebb5 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
90402790a088d7af7f71b5bf074a73df08730a8f5bf92a45509b413aa315b166 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/123?keyword=matlab+graphical+user+interface+guide
- https://uploads.strikinglycdn.com/files/7160dcc6-0153-456c-bef1-454caaae7863/89896121137.pdf
- https://uploads.strikinglycdn.com/files/48dbcd4e-0ee2-456d-a750-fcd62d7e2acc/tamojazodir.pdf
- https://uploads.strikinglycdn.com/files/413a344c-12fd-4eaf-8ad0-f074a13be2c2/pixopebamoxibufuv.pdf
- https://uploads.strikinglycdn.com/files/fd80811c-efee-46fc-a299-47ebae7a55aa/58257979228.pdf
- https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/3731638.pdf
- https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/velowo_dakemolaku.pdf
- https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/novovuxosijuzuz_wofabunutigepuw_dugulelura.pdf
- https://dojulukasinu.weebly.com/uploads/1/3/0/7/130776790/4499251.pdf
- https://fuparududewon.weebly.com/uploads/1/3/1/8/131856041/pufaw.pdf
- https://jeponiruwapin.weebly.com/uploads/1/3/0/7/130776483/ce895.pdf
- https://cdn.shopify.com/s/files/1/0495/5160/5927/files/3324354176.pdf
- https://cdn.shopify.com/s/files/1/0458/9620/4442/files/montana_1948_free.pdf
- https://cdn.shopify.com/s/files/1/0266/9704/0067/files/56694944735.pdf
- https://cdn.shopify.com/s/files/1/0430/5515/3303/files/form_ss5_and_5fs.pdf
- https://cdn.shopify.com/s/files/1/0437/5992/7448/files/shows_like_parenthood_on_hulu.pdf
- https://cdn.shopify.com/s/files/1/0483/4328/5923/files/55524733688.pdf
- https://cdn.shopify.com/s/files/1/0502/2302/2274/files/87042110335.pdf
- https://ruwopevod.weebly.com/uploads/1/3/1/3/131397973/7833278.pdf
- https://wuvirinofibugiz.weebly.com/uploads/1/3/1/0/131070402/vufer-xiwuvomabuta-guzaw-nafilin.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/
Embedded domains
- gettraff.ru
- uploads.strikinglycdn.com
- gimejexoxixaza.weebly.com
- genigudepa.weebly.com
- dojulukasinu.weebly.com
- fuparududewon.weebly.com
- jeponiruwapin.weebly.com
- cdn.shopify.com
- ruwopevod.weebly.com
- wuvirinofibugiz.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 4.150.223.109
- 135.232.92.137
- 172.66.2.5
- 40.79.150.121
- 4.247.188.224
- 52.110.12.50
- 52.110.12.42
- 4.230.171.124
- 20.247.184.142
- 74.178.76.128
- 135.232.92.97
- 40.99.134.2
- 52.123.128.14
- 52.168.117.171
- 72.154.7.101
- 203.26.79.13
- 20.42.65.93
- 20.184.175.2
- 52.148.114.188
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report