MALICIOUS — c3ff8783b4b741ee5d39fe0118d3220d94d21db7b40d5a1fbc8d14332660aa72
MALICIOUS — c3ff8783b4b741ee5d39fe0118d3220d94d21db7b40d5a1fbc8d14332660aa72 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:
c3ff8783b4b741ee5d39fe0118d3220d94d21db7b40d5a1fbc8d14332660aa72 - SHA-1:
4d94b488509685c4f22578dd0dd634975a07ea3e - MD5:
88a689b57499db22f5fc119dbbb28f21 - ssdeep:
1536:qhRzfu/o/ZL9YPfYCfz9Bmd1a6rVmKSYSXaa:6ImZL97CP4Vmg3a - TLSH:
T10436C0F3619BED8CBB465B0329B6112D648AD6883573AAB40588B7BC807C7FF7E14410 - Submitted as: c3ff8783b4b741ee5d39fe0118d3220d94d21db7b40d5a1fbc8d14332660aa72
- File type: pdf · Size: 65681 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!88A689B57499
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 11 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!88A689B57499 (rule
PDF/Phish-FAB!88A689B57499) - 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: http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072b30a32e32---zuxipunutezofemiruv.pdf, http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a5c84a8eca4---putidotuxosafuganilo.pdf, http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160c339efe93e8---42919110849.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 13 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
- Extracted generic config (15 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 8884) (rule
windows.malfind.Malfind) - memory signal, weight 0.05, confidence 0.30
Dynamic analysis (windows)
1006 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
- _dosvc._tcp.local
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- 23.40.52.209
- 23.11.37.157
- 40.126.14.163
- 4.144.132.114 SG · Singapore · AS8075 Microsoft Corporation
- 52.123.252.224 AU · Sydney · AS8075 Microsoft Corporation
- 23.33.238.178
- 52.110.12.14 AU · Sydney · AS8075 Microsoft Corporation
- 4.230.171.124 KR · Seoul · AS8075 Microsoft Corporation
- 23.33.238.102
- 20.165.94.54 US · San Antonio · AS8075 Microsoft Corporation
- 52.168.112.66 US · Chantilly · AS8075 Microsoft Corporation
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=construct+a+food+web+worksheet
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072b30a32e32---zuxipunutezofemiruv.pdf
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a5c84a8eca4---putidotuxosafuganilo.pdf
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160c339efe93e8---42919110849.pdf
- https://amitadevnani.com/userfiles/file/tumozilenebasekedijusuk.pdf
- https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/4c0037363b18df8ed64ea786f6cd2576/10887471980.pdf
- http://ekonopuntos.com/campannas/file/nulinavedotaxawidatakak.pdf
- https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/f90a6365c752d7040e4e63d9f3f643e5/xavefedoseva.pdf
- http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/zesogatizozafapumudoxodi.pdf
- http://vitali-schulz-eiskunstlaufen.de/userfiles/files/88465364401.pdf
- http://au-coeur-du-temps.com/userfiles/file/bozaxeme.pdf
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/ea4168e6a6b05c52212f37980c052df6/44853708954.pdf
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bedfde29ec7---mukakuxewadarigak.pdf
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16073f42223bca---52195279180.pdf
- http://altinay-law.com/images/file/bowipibupuzaf.pdf
- https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/5f15e8ae735f0041e89d7b3bacf7d2a1/mitok.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Embedded domains
- feedproxy.google.com
- sarahscupcakery.com
- yuseigachi.nl
- maxitelt.no
- amitadevnani.com
- monacollection.ua
- ekonopuntos.com
- artistalexanderkanevskywinnerinternationalaward.com
- vitali-schulz-eiskunstlaufen.de
- au-coeur-du-temps.com
- sellos-mecanicos.com
- slowjamsundays.com
- dfa-finanz.de
- altinay-law.com
- www.lindopoint.it
- www.w3.org
- purl.org
- ns.adobe.com
- refour.dk
Embedded IP addresses
- 57.155.101.212
- 4.247.188.224
- 57.154.63.210
- 20.42.179.204
- 85.210.196.11
- 4.144.132.114
- 52.123.252.224
- 52.110.12.14
- 4.230.171.124
- 20.165.94.54
- 52.168.112.66
- 20.184.175.23
- 72.145.35.99
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report