MALICIOUS — 3fbaa9735a7f03e621f1891fcd86302bfb8509f21c1a454bcc8f62fba9c5de5b
MALICIOUS — 3fbaa9735a7f03e621f1891fcd86302bfb8509f21c1a454bcc8f62fba9c5de5b is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100). 5 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
3fbaa9735a7f03e621f1891fcd86302bfb8509f21c1a454bcc8f62fba9c5de5b - SHA-1:
393d09982453984bb259ffd3621e0fa4bf7357f5 - MD5:
994faa746de29b9f80269ed4edd3291b - ssdeep:
1536:HCX+wFGIWgFF9Wb2i/N2rGWzeCXFt/IB+sSU3DB1D1K:iOwwIWo8b2qlxC1tQ86F1DY - TLSH:
T1AB38E1F310A7CD4C7987AB8367E721EDA08A86887532D7A044D8B7ACD4B867D7F20511 - Submitted as: 3fbaa9735a7f03e621f1891fcd86302bfb8509f21c1a454bcc8f62fba9c5de5b
- File type: pdf · Size: 76984 bytes
- Verdict: malicious (99/100)
Detections (5 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
- Trellix Stinger (McAfee): PDF/Phish-FAB!994FAA746DE2
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 10 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 - Trellix Stinger (McAfee) flagged PDF/Phish-FAB!994FAA746DE2 (rule
PDF/Phish-FAB!994FAA746DE2) - 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://archism.ru/uplcv?utm_term=matem%25C3%25A1tica+financiera+inter%25C3%25A9s+simple+ejercicios+resueltos, http://93564497.com/userfiles/poviwexinadenasa.pdf, https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/d4dcb49e25c72b1d97d564d1fee354ac/87802083987.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 9 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
Dynamic analysis (windows)
1011 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
- 40.126.14.161
- 52.110.12.21 AU · Sydney · AS8075 Microsoft Corporation
- 20.42.179.204 US · Moses Lake · AS8075 Microsoft Corporation
- 4.230.171.124 KR · Seoul · AS8075 Microsoft Corporation
- 23.33.238.207
- 4.144.132.223 SG · Singapore · AS8075 Microsoft Corporation
- 74.178.240.51 NL · Amsterdam · AS8075 Microsoft Corporation
- 104.46.162.230 AU · Melbourne · AS8075 Microsoft Corporation
- 74.179.77.204 US · Moses Lake · AS8075 Microsoft Corporation
- 199.232.138.172
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://archism.ru/uplcv?utm_term=matem%25C3%25A1tica+financiera+inter%25C3%25A9s+simple+ejercicios+resueltos
- http://93564497.com/userfiles/poviwexinadenasa.pdf
- https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/d4dcb49e25c72b1d97d564d1fee354ac/87802083987.pdf
- https://www.movingwithmagna.com/wp-content/plugins/super-forms/uploads/php/files/1bd08922b82edffd853efeb250fa1bc0/wutajenejatipi.pdf
- https://bonpetsupply.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aa1cddad78---zenipafosuzo.pdf
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/3470920d1b1b144f693c70339e6d7ac4/31685452531.pdf
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607a018d33bfa---rubugalutenelekudoki.pdf
- https://b2cexpressdemo.com/userfiles/file/zadefekozeleralonap.pdf
- http://btc-ltd.com/upload/file/bivasigelinizivav.pdf
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afb768146ef---25965863072.pdf
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb2466559e---zemitu.pdf
- https://anmoul.com/userfiles/file/77226152695.pdf
- http://axwelindia.com/uploads/19152932278.pdf
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6ba11543eb---66131872936.pdf
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073d5bfc5efd---nuvokugakelanep.pdf
- http://tamker.hu/userfiles/file/46695778276.pdf
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/k0pbhr3og8h16vq8ir8d99ht6p/91736288134.pdf
- https://abe-rdc.com/userfiles/file/sabanijanabamag.pdf
- https://amitadevnani.com/userfiles/file/gudixukexuvimiv.pdf
- http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c92e6582f6---24336662465.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://www.dspace.uce.edu.ec/ha
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
Embedded domains
- archism.ru
- 93564497.com
- diversifiedhumansolutions.com
- www.movingwithmagna.com
- bonpetsupply.com
- afanasyev-design.ru
- cffcommunications.nl
- b2cexpressdemo.com
- btc-ltd.com
- mesotects.com
- www.gcsystem.pl
- anmoul.com
- axwelindia.com
- mission4recruitment.com
- for-rent-leuven.com
- maydongy.com
- abe-rdc.com
- amitadevnani.com
- www.chicagoalphas.com
- www.w3.org
- purl.org
- ns.adobe.com
- tamker.hu
- www.dspace.uce.edu.ec
Embedded IP addresses
- 52.168.112.67
- 52.110.12.21
- 20.42.179.204
- 4.230.171.124
- 4.144.132.223
- 74.178.240.51
- 104.46.162.230
- 74.179.77.204
- 72.145.35.110
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report