MALICIOUS — b661fa8649b2971a29ee85385d35bd9ba5f0ecc71794059a3061ce55e00c9fd7
MALICIOUS — b661fa8649b2971a29ee85385d35bd9ba5f0ecc71794059a3061ce55e00c9fd7 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100). 4 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
b661fa8649b2971a29ee85385d35bd9ba5f0ecc71794059a3061ce55e00c9fd7 - SHA-1:
8d65013155a611bb9b9418afc8d64f74ac50415a - MD5:
94b669366101f634710c5b786f5b2c31 - ssdeep:
3072:frrrhy+pdWjpk/C2ofl3xt0ela9GNyt7VmG:f/rhylt6kl/Bot - TLSH:
T1F83BE0F361DBED8C375F5B0378AA119CA089E78CA225E9504488B62CD5BC77D3F50990 - Submitted as: b661fa8649b2971a29ee85385d35bd9ba5f0ecc71794059a3061ce55e00c9fd7
- File type: pdf · Size: 109710 bytes
- Verdict: malicious (99/100)
Detections (4 of 54 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- ClamAV (daily): Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 9 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 - Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule
PDF.Spam.Heur.1) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged HEUR:Hoax.PDF.Phish.gen (rule
HEUR:Hoax.PDF.Phish.gen) - engine signal, weight 0.55, confidence 0.85 - Contacted 9 external host(s) and 3 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
- MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-blob (rule
high-entropy-blob) - engine signal, weight 0.35, confidence 0.70 - Embedded network infrastructure: https://infrive.ru/uplcv?utm_term=gaming+tools+game+mode+gfx+tool+fps+optimizer, https://cosonnguyenthanh.vn/webroot/userfiles/files/88395925840.pdf, http://kayapalinakliyat.net/file/44572258894.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)
1081 behavior events · 0 ATT&CK techniques · 1 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- c.pki.goog
- x2.c.lencr.org
- ye.c.lencr.org
- yr.c.lencr.org
- ntp.ubuntu.com
- desktop-hsgcbep
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://c.pki.goog/r/r1.crl
- http://x2.c.lencr.org/
- http://ye.c.lencr.org/
- http://c.pki.goog/wr2/9UVbN0w5E6Y.crl
- http://yr.c.lencr.org/
- 23.40.52.85
- 23.11.37.157
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://infrive.ru/uplcv?utm_term=gaming+tools+game+mode+gfx+tool+fps+optimizer
- https://cosonnguyenthanh.vn/webroot/userfiles/files/88395925840.pdf
- http://kayapalinakliyat.net/file/44572258894.pdf
- https://tworaise.com/userfiles/file/25024660096.pdf
- http://pasaru.com/upload/files/poragisidopofa.pdf
- http://an-professional.ru/img/files/file/mazujupositujabemuxikufu.pdf
- https://maria-galland.ru/files/file/ripozela.pdf
- https://munis-roquesalbes.cat/demo/vilalba/imatges/file/wunokusutaxomimibododovax.pdf
- https://webmedcentralplus.com/userfiles/file/xejigizudiritirog.pdf
- https://sikdercollegeofpharmacy.com/scp/ckfinder/uploads/userfiles/files/sipud.pdf
- http://vuonlan.vn/data/upload/files/pigibodu.pdf
- http://ladna.pl/user_images/file/musakoviwa.pdf
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/jt82vt9e9ioqgsebbcd20845v5/wumagubazeruwipalodudavum.pdf
- http://freeware-software-download.de/uploads/editor/file/93493477063.pdf
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cc58ac17bb---97386682153.pdf
- http://rfychina.com/upfiles/files/16306147241631.pdf
- http://aroma-es.red/yamituki-n/uploads/files/javaretofugidamuguku.pdf
- http://zhjpharm.com/upload/files/28416012391.pdf
- http://munnarteabungalows.com/userfiles/file/rojipagad.pdf
- https://textmakareknutsson.se/upload/image/lebifemanabod.pdf
- http://chicopharm.com/upload/files/tadegodekine.pdf
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613037066c152---bunigivitusev.pdf
- http://benthanhsgfarm.com/images/uploads/files/19638477933.pdf
- http://www.binghan.my/userfiles/file/wikudanugubisa.pdf
- http://anchor-m.com/js/upload/files/ruxunapidawe.pdf
Embedded domains
- infrive.ru
- kayapalinakliyat.net
- tworaise.com
- pasaru.com
- an-professional.ru
- maria-galland.ru
- webmedcentralplus.com
- sikdercollegeofpharmacy.com
- ladna.pl
- freeware-software-download.de
- halvani.com
- rfychina.com
- zhjpharm.com
- munnarteabungalows.com
- textmakareknutsson.se
- chicopharm.com
- www.fotografoeventimilano.com
- benthanhsgfarm.com
- anchor-m.com
- nolimitscenter.be
- www.w3.org
- purl.org
- ns.adobe.com
- cosonnguyenthanh.vn
- munis-roquesalbes.cat
Embedded IP addresses
- 52.123.252.248
- 52.110.12.1
- 4.230.171.124
- 74.179.77.164
- 74.179.77.204
- 20.50.80.215
- 74.178.240.61
- 92.223.78.30
- 72.145.35.102
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report