MALICIOUS — 6fc61c666962e2be7269a30d194425c2e91fe25cee4578bd6efd6ee7a0c7e60b
MALICIOUS — 6fc61c666962e2be7269a30d194425c2e91fe25cee4578bd6efd6ee7a0c7e60b is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 5 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
6fc61c666962e2be7269a30d194425c2e91fe25cee4578bd6efd6ee7a0c7e60b - SHA-1:
3c8c1adb800bf1bf9fd6c9af560fc19d28dad6fd - MD5:
4cf4c297519513b4d3c620bf9eff427a - ssdeep:
1536:LuI7o9zwQtx0QKWBI5nUIH44E4MK2oAwEJciY:17YzwQtxExE7KRAwYY - TLSH:
T1FC38C0B3A19BDD8CB74B57179DAA299D14CEC2C8503397A1058CE77D80BCBAE3D10A50 - Submitted as: 6fc61c666962e2be7269a30d194425c2e91fe25cee4578bd6efd6ee7a0c7e60b
- File type: pdf · Size: 78722 bytes
- Verdict: malicious (98/100)
Detections (5 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- ClamAV (daily): Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Trellix Stinger (McAfee): PDF/Phish-FAB!4CF4C2975195
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 98/100 is the fusion of 7 weighted signals:
- ClamAV (daily) flagged Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 (rule
Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0) - engine signal, weight 0.90, confidence 0.95 - Embedded link rated malicious by URL analysis: https://uploads.strikinglycdn.com/files/df26844a-ec08-400f-be93-a8947ebe08ee/sororirowidetavaxikevu.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 18 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://krisoc.ru/pbw?utm_term=plus+two+textbooks+kerala+scert+pdf, https://wuxinafub.weebly.com/uploads/1/3/6/0/136084542/lejizugorolofiki.pdf, https://fumuzajel.weebly.com/uploads/1/3/4/5/134588097/jubijuru.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 (15 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9647 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
- 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
- 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 -
6679d1a149089eed2af7063eb407d721d9a64bf89bd6e72824598af5174d4b39 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\88cb2053dfea5d020b8e38ba84079a63.png -
b006273c1de00e85411073d792685fd23348d4a34d02c8534ce214c83cd49bd1 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://krisoc.ru/pbw?utm_term=plus+two+textbooks+kerala+scert+pdf
- https://wuxinafub.weebly.com/uploads/1/3/6/0/136084542/lejizugorolofiki.pdf
- https://fumuzajel.weebly.com/uploads/1/3/4/5/134588097/jubijuru.pdf
- https://uploads.strikinglycdn.com/files/df26844a-ec08-400f-be93-a8947ebe08ee/sororirowidetavaxikevu.pdf
- https://lidoporovumo.weebly.com/uploads/1/3/4/5/134506542/9c358dddcba3e99.pdf
- https://cdn-cms.f-static.net/uploads/4370068/normal_603a78cb4f38c.pdf
- https://uploads.strikinglycdn.com/files/45cca4c7-c7c8-4dc3-b508-3eb638dba540/samsung_blu_ray_player_keeps_turning_on_and_off_bd-jm57.pdf
- http://fozujedax.pbworks.com/w/file/fetch/144685131/22755494478.pdf
- http://rukuvekuke.pbworks.com/f/skyvpn_unlimited_premium_traffic_mod_apk.pdf
- https://livupojinobiz.weebly.com/uploads/1/3/1/8/131856358/5154776.pdf
- https://pefasuvut.weebly.com/uploads/1/3/4/7/134716349/fukubasamupit.pdf
- http://fobimexus.pbworks.com/w/file/fetch/144887355/tamil_surah_yaseen.pdf
- https://cdn-cms.f-static.net/uploads/4387701/normal_6040f5690d9ac.pdf
- https://uploads.strikinglycdn.com/files/e7ce6c09-3eca-42b9-81aa-49a71fa61f24/81477230263.pdf
- http://jifosez.pbworks.com/f/27971245693.pdf
- https://uploads.strikinglycdn.com/files/2bfc7821-1ab8-4508-891d-ec879f996730/how_to_fix_dymo_labelwriter_450_turbo.pdf
- https://cdn-cms.f-static.net/uploads/4426822/normal_60174fcb3f742.pdf
- https://static.s123-cdn-static.com/uploads/4404122/normal_5ffcb2aa03b62.pdf
- http://sijomirurefi.pbworks.com/f/nenjodu_kalanthavale_full_song_download_masstamilan.pdf
- http://sizolasipape.pbworks.com/f/qual_a_raiz_quadrada_de_169.pdf
- https://rijokurep.weebly.com/uploads/1/3/4/3/134377239/5969084.pdf
- http://pikalunik.pbworks.com/f/scjp_kathy_sierra_java_8_book_free_download.pdf
- https://uploads.strikinglycdn.com/files/fb4e9a27-a151-4fa0-8741-f5c6017fb9b0/green_tech_angel_investors.pdf
- https://cdn-cms.f-static.net/uploads/4383295/normal_60378165eaea7.pdf
- http://wotasaful.pbworks.com/w/file/fetch/144881484/reviving_ophelia_movie_summary.pdf
Embedded domains
- krisoc.ru
- wuxinafub.weebly.com
- fumuzajel.weebly.com
- uploads.strikinglycdn.com
- lidoporovumo.weebly.com
- cdn-cms.f-static.net
- fozujedax.pbworks.com
- rukuvekuke.pbworks.com
- livupojinobiz.weebly.com
- pefasuvut.weebly.com
- fobimexus.pbworks.com
- jifosez.pbworks.com
- static.s123-cdn-static.com
- sijomirurefi.pbworks.com
- sizolasipape.pbworks.com
- rijokurep.weebly.com
- pikalunik.pbworks.com
- wotasaful.pbworks.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 135.232.92.137
- 20.42.65.89
- 172.215.188.232
- 4.150.223.102
- 20.42.179.192
- 52.110.12.11
- 4.230.171.124
- 20.42.73.26
- 20.76.201.171
- 135.233.95.144
- 52.123.128.14
- 40.103.64.226
- 172.178.240.162
- 74.178.76.44
- 203.26.79.13
- 92.223.78.30
- 51.132.193.104
- 52.148.114.188
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report