MALICIOUS — 18b6e89af980cc211b5bf4ae550241abc465a19e054ddcd8f5feb0a37551061f
MALICIOUS — 18b6e89af980cc211b5bf4ae550241abc465a19e054ddcd8f5feb0a37551061f is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100). 4 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
18b6e89af980cc211b5bf4ae550241abc465a19e054ddcd8f5feb0a37551061f - SHA-1:
0318a064143b313f26f09b13ce3800f2e135d5a4 - MD5:
56145c49a5e44c59ed0fb94f093c3c81 - ssdeep:
1536:2ZzLd8PLm+bVUfyZcIT6EN3mtNvRdFFJ8tGkGyWZ3+hkQQjs0IyWQpOCh79wuP:Ez+PlCyZeyWtNvnHGoXw0IVCh797 - TLSH:
T1073AD0E3219BDD8C77A5DB43997A0169704ADBC86072EA9010C8BF6CD47C4FEAE10E51 - Submitted as: 18b6e89af980cc211b5bf4ae550241abc465a19e054ddcd8f5feb0a37551061f
- File type: pdf · Size: 92946 bytes
- Verdict: malicious (96/100)
Detections (4 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- ClamAV (daily): Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 96/100 is the fusion of 7 weighted signals:
- ClamAV (daily) flagged Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 (rule
Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0) - engine signal, weight 0.90, confidence 0.95 - Contacted 16 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://locoffice.ru/userfiles/file/somazimogezu.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://huntic.ru/uplcv?utm_term=semi+detailed+lesson+plan+for+high+school, https://locoffice.ru/userfiles/file/somazimogezu.pdf, http://dgjst.com/upfile/file/famidusaba.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 (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9657 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
- 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\SumatraPDF-settings.txt -
b6129c5e7a5354496a5f14030e5e7ce98026f54146628d85b297a4074e72ed7c - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\df7c86871b8e70853eefae6c1fd36df1.png -
197addb885ab40541582d34ef4830defd660406b4fd59fbe2e4eeaf0e6a978ff - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://huntic.ru/uplcv?utm_term=semi+detailed+lesson+plan+for+high+school
- https://locoffice.ru/userfiles/file/somazimogezu.pdf
- http://dgjst.com/upfile/file/famidusaba.pdf
- https://beldaoyun.com/calisma2/files/uploads/28931482877.pdf
- https://toscanafantastica.com/userfiles/file/vujozejodakagekipax.pdf
- https://global-product.org/CKEdit/upload/files/20046726624.pdf
- http://kiiga.ru/userfiles/file/jivurikapetebivi.pdf
- https://stijsr.com/userfiles/file/kivefugedezoli.pdf
- http://sudeoksa.net/userfiles/file/20210920225012.pdf
- http://szentdorottyapatika.hu/files/26773034332.pdf
- http://www.perchegouet.com/ckfinder/userfiles/files/10185456734.pdf
- http://flapboxes.com/userfiles/files/42691266511.pdf
- http://sissonne.hu/editor_up/kilidup.pdf
- https://groupburuemas1.com/contents/files/jitadasijiw.pdf
- http://xn--aknmedical-yub.com/uploads/file/22958182952.pdf
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614e23b137b66---35275412860.pdf
- http://konferencii.org/web/uploads/assets/file/dugirowu.pdf
- http://panda-es.tokyo/yamituki-n/uploads/files/20517988216.pdf
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ccb4a427ad---tafatakoretedovok.pdf
- https://bonekarusa.com/contents/files/19991006488.pdf
- http://vntattoosupply.net/uploads/image/files/4789346396.pdf
- https://unitytradefze.com/ckfinder/userfiles/files/kifaturawe.pdf
- https://starfoil-mail.nl/uploads/wysiwyg/sofivev.pdf
- http://szakkepzosiklos.hu/upload/file/lunujixu.pdf
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/29aeca059bb4b1a382f14b4c44882f26/varefijigini.pdf
Embedded domains
- huntic.ru
- locoffice.ru
- dgjst.com
- beldaoyun.com
- toscanafantastica.com
- global-product.org
- kiiga.ru
- stijsr.com
- sudeoksa.net
- www.perchegouet.com
- flapboxes.com
- groupburuemas1.com
- xn--aknmedical-yub.com
- creationstationdance.com
- konferencii.org
- www.hungarianassociation.com
- bonekarusa.com
- vntattoosupply.net
- unitytradefze.com
- starfoil-mail.nl
- www.reliancecareuk.com
- www.w3.org
- purl.org
- ns.adobe.com
- szentdorottyapatika.hu
Embedded IP addresses
- 4.207.44.67
- 20.165.94.63
- 192.124.249.41
- 20.184.175.19
- 52.123.252.238
- 172.215.188.232
- 4.230.171.124
- 135.232.92.97
- 74.179.77.204
- 40.99.133.242
- 52.123.128.14
- 135.234.160.244
- 72.153.5.135
- 203.26.79.13
- 4.207.44.70
- 52.148.114.188
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report