MALICIOUS — normal_5f875f23c3213.pdf
MALICIOUS — normal_5f875f23c3213.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:
2e5bd22267616f7b3e0d4d63d35cc37787eb1e938ab9580aca727929fe618c36 - SHA-1:
9e197f8c3c34d53f18ceb380b0cf9bc66944d8a0 - MD5:
cb8ebd398fe88ea1ac4b1b94894d91d3 - ssdeep:
768:8zgGzpD0pkkFsQ/ENp5u+rgpEdkyNvCaCCYng4wOM6zlS:8MGFYpqfgugpEdkyNvlYn9wOM6zlS - TLSH:
T11D2F6DF35067ED8C7A8A9F079DA6115E514AD38C6133D6B008C87B6CC4BCAFD6E01960 - Submitted as: normal_5f875f23c3213.pdf
- File type: pdf · Size: 33996 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): UDS:Trojan.PDF.SBadur.gen
MITRE ATT&CK
Why this verdict
The malicious score of 72/100 is the fusion of 6 weighted signals:
- Contacted 18 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/b23643ee-28e8-45ad-8a6f-fa9dbb1ffc2e/tivilozukarokiloru.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/123?keyword=glencoe+math+accelerated+interactive+study+guide+answers, https://site-1041934.mozfiles.com/files/1041934/73095618842.pdf, https://site-1038949.mozfiles.com/files/1038949/kubirumagusozakagafokizur.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)
9713 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
- desktop-hsgcbep._dosvc._tcp.local
- desktop-hsgcbep(1)._dosvc._tcp.local
- 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
- 252.0.0.224.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
- 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
- desktop-hsgcbep
- http://www.msftconnecttest.com/connecttest.txt
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\25cd9dbc87aa910b2031a44ec94c3c0a.png -
c2ba24b53e09c6091a35ac27faa5673e96061a20428f046f2089037b54e75826 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
b742b086307aabc8740d1ab3e7637adb9979b2b6d8d400d16fa13b22d2426774 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=glencoe+math+accelerated+interactive+study+guide+answers
- https://site-1041934.mozfiles.com/files/1041934/73095618842.pdf
- https://site-1038949.mozfiles.com/files/1038949/kubirumagusozakagafokizur.pdf
- https://site-1039735.mozfiles.com/files/1039735/53092929225.pdf
- https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/laresisif_kigadebokenub_bajutinerid.pdf
- https://wepugimi.weebly.com/uploads/1/3/1/0/131070973/wubogovexipipeweta.pdf
- https://cdn.shopify.com/s/files/1/0495/7755/8168/files/33559197995.pdf
- https://cdn.shopify.com/s/files/1/0481/6152/1815/files/30_day_squat_challenge_results.pdf
- https://cdn.shopify.com/s/files/1/0483/3325/8915/files/niwolawagafoben.pdf
- https://site-1041503.mozfiles.com/files/1041503/14873878169.pdf
- https://site-1037037.mozfiles.com/files/1037037/tumojisixosoxuzogiz.pdf
- https://uploads.strikinglycdn.com/files/b23643ee-28e8-45ad-8a6f-fa9dbb1ffc2e/tivilozukarokiloru.pdf
- https://uploads.strikinglycdn.com/files/a5a79e6d-0623-4b49-8c14-021e619611e6/dixewomivenegida.pdf
- https://cdn-cms.f-static.net/uploads/4366035/normal_5f86f96a9ba48.pdf
- https://cdn-cms.f-static.net/uploads/4366317/normal_5f8731792a532.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/
- http://ns.adobe.com/xap/1.0/rights/
- 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
Embedded domains
- cctraff.ru
- site-1041934.mozfiles.com
- site-1038949.mozfiles.com
- site-1039735.mozfiles.com
- genigudepa.weebly.com
- wepugimi.weebly.com
- cdn.shopify.com
- site-1041503.mozfiles.com
- site-1037037.mozfiles.com
- uploads.strikinglycdn.com
- cdn-cms.f-static.net
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.172.255.218
- 135.233.95.80
- 74.178.240.61
- 20.42.73.26
- 4.230.171.124
- 20.247.184.142
- 135.232.92.137
- 20.231.239.246
- 52.123.128.14
- 52.123.252.227
- 72.145.35.107
- 203.26.79.13
- 20.165.94.46
- 4.207.44.64
- 172.170.180.133
- 20.42.72.131
- 51.116.253.170
- 52.148.114.188
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report