MALICIOUS — bb536cb975a6d057c4ed4054ac85d2e27d571150e9ccafc9299c10c35577ef56
MALICIOUS — bb536cb975a6d057c4ed4054ac85d2e27d571150e9ccafc9299c10c35577ef56 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 4 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
bb536cb975a6d057c4ed4054ac85d2e27d571150e9ccafc9299c10c35577ef56 - SHA-1:
959f333ae96c92ddcfcddc02aaab175200215a94 - MD5:
7a7b6f0943c2455d21bc053f233b4939 - ssdeep:
1536:Nm/EI/72KXRf+MDGcQR6Fbyqo9QURmLfg84WOpOwrKWOnbrzVnprAJkR18+0:AcI/71BGce6Vyq+Q6mLB1wrAnbTrAJ84 - TLSH:
T18138D0F3215BCE4C774B8F4739EB61586096E6C81217D6908088FAAC917C5BDFF10A50 - Submitted as: bb536cb975a6d057c4ed4054ac85d2e27d571150e9ccafc9299c10c35577ef56
- File type: pdf · Size: 83823 bytes
- Verdict: malicious (98/100)
Detections (4 of 54 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 98/100 is the fusion of 10 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 - 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 - MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-blob (rule
high-entropy-blob) - engine signal, weight 0.35, confidence 0.70 - Embedded network infrastructure: https://huntic.ru/uplcv?utm_term=now+hurry+up, http://zhuoxinlaw.com/userfiles/file/20210924113313_969860048.pdf, http://hz-kontejnery.cz/ckfinder/userfiles/files/20780603180.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
- Contacted 5 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
- Extracted generic config (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
- Memory forensics: 3 finding(s) elsewhere in the guest, not attributed to this sample, e.g. RWX/private injected region in Acrobat.exe (pid 7996) (rule
windows.malfind.Malfind) - memory signal, weight 0.05, confidence 0.30
Dynamic analysis (windows)
962 behavior events · 0 ATT&CK techniques · 1 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- ntp.ubuntu.com
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- 23.40.52.85
- 23.11.37.157
- 20.190.142.163
- 52.230.60.54 SG · Singapore · AS8075 Microsoft Corporation
- 23.33.238.178
- 52.110.12.24 AU · Sydney · AS8075 Microsoft Corporation
- 4.230.171.124 KR · Seoul · AS8075 Microsoft Corporation
- 23.33.238.173
- 192.168.122.106
- 150.171.28.11
- 57.154.63.210 US · Phoenix · AS8075 Microsoft Limited UK
- 23.221.133.185
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://huntic.ru/uplcv?utm_term=now+hurry+up
- http://zhuoxinlaw.com/userfiles/file/20210924113313_969860048.pdf
- http://hz-kontejnery.cz/ckfinder/userfiles/files/20780603180.pdf
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ed04836bc5---64920308184.pdf
- http://irinabailey.com/upload/files/71858501021.pdf
- http://humanlitech.com/files/files/74668682316.pdf
- http://gocep.org/data/userfiles/files/todulofuzokopinupetez.pdf
- http://dok-vo.ru/userfiles/file/95668825656.pdf
- https://dennismaloney.ca/upload/editor/file/20044541390.pdf
- http://traiteur-ribot.fr/userfiles/file/jixuvaj.pdf
- http://atomicattack.com/atomic/fckimages/file/mixogolaburagalelikudas.pdf
- https://ezastupitelstvo.sk/editor_uploads/system/files/9251216817.pdf
- https://best-label.com/upload/files/kutejemikalawo.pdf
- http://bloomx.com/sites/all/sites/bloomx.com/files/dexefadobegefivesiwam.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615b6f112f814---nitonubupusamakidob.pdf
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff1857bf9b---53937638129.pdf
- https://ww150001.linebot.net/upfile/files/20211005031233.pdf
- http://lexuspolymers.com/assets/ckfinder/userfiles/files/4721245470.pdf
- http://yung-shun.com/userfiles/file/vuzurugejolomofopiworan.pdf
- https://adikmanis.com/contents/files/15820202984.pdf
- https://netcsemege.hu/ckfinder/userfiles/files/39175738990.pdf
- http://sabaispa.net/userfiles/file/72850529080.pdf
- http://mygotour.com/FileData/ckfinder/files/20210925_98F70868E278B589.pdf
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614e204e146eb---lukasokodesibabugolaradu.pdf
- http://humansharehouse.com/userData/board/file/72959222064.pdf
Embedded domains
- huntic.ru
- zhuoxinlaw.com
- www.ibadirect.com
- irinabailey.com
- humanlitech.com
- gocep.org
- dok-vo.ru
- dennismaloney.ca
- traiteur-ribot.fr
- atomicattack.com
- best-label.com
- bloomx.com
- www.1000ena.com
- www.tessilgiada.it
- ww150001.linebot.net
- lexuspolymers.com
- yung-shun.com
- adikmanis.com
- sabaispa.net
- mygotour.com
- southportrubbish.com
- humansharehouse.com
- zuche0551.com
- www.w3.org
- purl.org
Embedded IP addresses
- 57.155.104.224
- 52.230.60.54
- 52.110.12.24
- 4.230.171.124
- 57.154.63.210
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report