MALICIOUS — 43f264208298ff134ac8c85d78ece788960c10df2b2c88f7103de8645f725de5
MALICIOUS — 43f264208298ff134ac8c85d78ece788960c10df2b2c88f7103de8645f725de5 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:
43f264208298ff134ac8c85d78ece788960c10df2b2c88f7103de8645f725de5 - SHA-1:
d0b7f2d81e9da49545dcbf67f81942c9acba3679 - MD5:
9da3a7acc4d338bca1840156e4aa4a3d - ssdeep:
1536:5KdjaOgHgh1w8r+jE61wUbH3TDgUsFNWkKBQMAo6E+Jo7OGq9toHWo0w7b4:cddgHICYV/Fs/BQFfEko78noZdI - TLSH:
T1AF39C0F3A0D7CC0C7B875B47AAA91A99704EDA847123AB6144C4B5ACC97C2AF7F00D54 - Submitted as: 43f264208298ff134ac8c85d78ece788960c10df2b2c88f7103de8645f725de5
- File type: pdf · Size: 86544 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!9DA3A7ACC4D3
- 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!9DA3A7ACC4D3 (rule
PDF/Phish-FAB!9DA3A7ACC4D3) - 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 8 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://dafemum.ru/strik?utm_term=weather+and+seasons+worksheets+for+grade+1, https://uploads.strikinglycdn.com/files/ee900173-c506-438f-ae84-8705ba8f311b/dish_network_phone_number_bill_pay.pdf, https://cdn-cms.f-static.net/uploads/4381340/normal_600a74e7e2d3b.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
- Memory forensics: 3 finding(s) elsewhere in the guest, not attributed to this sample, e.g. RWX/private injected region in Acrobat.exe (pid 3652) (rule
windows.malfind.Malfind) - memory signal, weight 0.05, confidence 0.30
Dynamic analysis (windows)
1079 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
- _dosvc._tcp.local
- 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://dafemum.ru/strik?utm_term=weather+and+seasons+worksheets+for+grade+1
- https://uploads.strikinglycdn.com/files/ee900173-c506-438f-ae84-8705ba8f311b/dish_network_phone_number_bill_pay.pdf
- https://cdn-cms.f-static.net/uploads/4381340/normal_600a74e7e2d3b.pdf
- https://cdn-cms.f-static.net/uploads/4387925/normal_6043e7622998d.pdf
- https://uploads.strikinglycdn.com/files/f6dd74e1-2aa8-4c96-a6b5-57d1d3ac8bf8/87457176445.pdf
- https://cdn-cms.f-static.net/uploads/4388428/normal_606d00be4e65e.pdf
- https://cdn-cms.f-static.net/uploads/4419433/normal_60255be08b8a9.pdf
- https://uploads.strikinglycdn.com/files/fc68e323-511d-4dbc-a7ac-42adbfdfaf96/39431642790.pdf
- https://cdn-cms.f-static.net/uploads/4460060/normal_60306a39a40f8.pdf
- https://uploads.strikinglycdn.com/files/d9f6daf1-4829-48b6-a638-5f40d77e970c/vasabitipozen.pdf
- https://uploads.strikinglycdn.com/files/cc997d95-03dc-4572-9f18-584fa772cc3b/how_long_to_charge_my_fitbit_flex_2.pdf
- https://static.s123-cdn-static.com/uploads/4421778/normal_5fdf905868ada.pdf
- https://cdn-cms.f-static.net/uploads/4473919/normal_6057e0f841828.pdf
- https://uploads.strikinglycdn.com/files/90976942-6025-44ed-982a-7354a52c45cd/pixel_movie_songs_download.pdf
- https://cdn-cms.f-static.net/uploads/4451750/normal_603086a515ed0.pdf
- https://static.s123-cdn-static.com/uploads/4470028/normal_5feb781b3b3c9.pdf
- https://static.s123-cdn-static.com/uploads/4406454/normal_5ff1c1b5bfcfc.pdf
- https://uploads.strikinglycdn.com/files/6c5df84f-6039-4d83-93e6-afab47c772ce/buzuvifaxupenirerupided.pdf
- https://static.s123-cdn-static.com/uploads/4382209/normal_5ffdbe07cfe30.pdf
- https://static.s123-cdn-static.com/uploads/4366400/normal_6006eb65d24c8.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/
Embedded domains
- dafemum.ru
- uploads.strikinglycdn.com
- cdn-cms.f-static.net
- static.s123-cdn-static.com
- www.w3.org
- purl.org
- ns.adobe.com
- x2.c.lencr.org
- ye.c.lencr.org
- yr.c.lencr.org
Embedded IP addresses
- 104.208.16.94
- 20.42.179.204
- 57.155.101.212
- 4.144.132.114
- 52.110.12.25
- 4.230.171.124
- 72.145.35.96
- 92.223.78.30
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report