MALICIOUS — normal_5f88b8464e577.pdf
MALICIOUS — normal_5f88b8464e577.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:
3aeb2200fbc898d87a1fc7c66763309fd95872cdc9b5f0ae02ca60eb4384fbfd - SHA-1:
cd9065fd58280631e5c8e65d28271515f81f6662 - MD5:
fd1d9659c3efb16c423ea30776d9e8b0 - ssdeep:
768:FgGzpDWpN3L6R7RO7w4qXbXDJ5MCKhYfba1T55bzpfcqmH18Iy6r1fLXT:WGFqpWHPLPkmfW19TfcqmHzDrVT - TLSH:
T12D328DF310A7EE8C3A875B57ADA716A5A489C38C6236D7A0048C7B2C817C57D7F11C61 - Submitted as: normal_5f88b8464e577.pdf
- File type: pdf · Size: 43507 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 19 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/6ebee9c6-f422-483a-a731-3b26df3c58fa/xopikuzimi.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://gettraff.ru/123?keyword=negative+exponents+worksheet+hard, https://cdn-cms.f-static.net/uploads/4371809/normal_5f88b04438618.pdf, https://cdn-cms.f-static.net/uploads/4366324/normal_5f87188721abe.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 (10 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9681 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
- c.pki.goog
- 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
- 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
- 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
- http://203.26.79.13/filestreamingservice//files/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\9c82371811b37118af3ad0821158a068.png -
1b1dd8ad76cdbb915172b4c170e9fd46d3ae8bb0f209d72d19dcbc90b6382f24 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
d69fc9bd3376ac18b9f11a9ac8f4f740e083cd3366e07aa62c477e455ef0efa1 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/123?keyword=negative+exponents+worksheet+hard
- https://cdn-cms.f-static.net/uploads/4371809/normal_5f88b04438618.pdf
- https://cdn-cms.f-static.net/uploads/4366324/normal_5f87188721abe.pdf
- https://cdn-cms.f-static.net/uploads/4366665/normal_5f875d3019228.pdf
- https://cdn-cms.f-static.net/uploads/4371514/normal_5f885ce07edb1.pdf
- https://nikokabiliru.weebly.com/uploads/1/3/1/4/131409463/bilejuralipesim.pdf
- https://fimozafovobas.weebly.com/uploads/1/3/2/7/132741130/577239.pdf
- https://xedaliwim.weebly.com/uploads/1/3/1/4/131454603/gurepakuwur_lawoga_zubifisovazo_lagotenosodaf.pdf
- https://polabufasol.weebly.com/uploads/1/3/2/8/132814050/bomode_junovebiri_mexanuk_zejosotakar.pdf
- https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/bewoti.pdf
- https://kabudededawizo.weebly.com/uploads/1/3/1/3/131383409/vizuriziwanuw-musovufakepaba-kazujoxux-labulele.pdf
- https://koxoganonigowup.weebly.com/uploads/1/3/1/4/131408343/5128497.pdf
- https://nogafuku.weebly.com/uploads/1/3/2/8/132815296/7596933.pdf
- https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/dolopitubolagu.pdf
- https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/d96ddb407408.pdf
- https://uploads.strikinglycdn.com/files/6ebee9c6-f422-483a-a731-3b26df3c58fa/xopikuzimi.pdf
- https://uploads.strikinglycdn.com/files/ea672f6b-88b8-4ac6-80e7-e7ee43b58934/34243599541.pdf
- https://uploads.strikinglycdn.com/files/a961a872-c2ac-4d11-a00b-6529c7f893e9/sekanomazotud.pdf
- https://uploads.strikinglycdn.com/files/dcd76bf5-999a-42df-88cb-7e017f218c84/50288445012.pdf
- https://uploads.strikinglycdn.com/files/be3a3622-e6bf-4df2-85b6-b58e81deafd3/jimabuwejelasikusafid.pdf
- https://site-1043891.mozfiles.com/files/1043891/58319018789.pdf
- https://site-1043134.mozfiles.com/files/1043134/93759693325.pdf
- https://site-1043485.mozfiles.com/files/1043485/mobile_to_pc_screen_mirroring_apk_download.pdf
- https://site-1037245.mozfiles.com/files/1037245/rejavaxipes.pdf
- https://uploads.strikinglycdn.com/files/d031443b-5983-496f-871d-93b652c17b40/dudevifa.pdf
Embedded domains
- gettraff.ru
- cdn-cms.f-static.net
- nikokabiliru.weebly.com
- fimozafovobas.weebly.com
- xedaliwim.weebly.com
- polabufasol.weebly.com
- vuxozajuje.weebly.com
- kabudededawizo.weebly.com
- koxoganonigowup.weebly.com
- nogafuku.weebly.com
- dutitujazekap.weebly.com
- gimejexoxixaza.weebly.com
- uploads.strikinglycdn.com
- site-1043891.mozfiles.com
- site-1043134.mozfiles.com
- site-1043485.mozfiles.com
- site-1037245.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.172.255.217
- 52.110.12.52
- 52.110.12.24
- 104.46.162.230
- 4.230.171.124
- 4.247.188.224
- 52.230.59.222
- 72.145.35.107
- 203.26.79.13
- 74.178.76.128
- 20.76.201.171
- 52.123.128.14
- 40.99.133.210
- 52.123.252.245
- 142.250.195.227
- 92.223.78.30
- 20.42.73.25
- 20.184.175.3
- 142.250.195.163
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report