MALICIOUS — c8f5fdd83a8a2538d9ece6f8e5a2f6d5a626a8e088394f22748956235f9aff90
MALICIOUS — c8f5fdd83a8a2538d9ece6f8e5a2f6d5a626a8e088394f22748956235f9aff90 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100). 5 of 54 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
c8f5fdd83a8a2538d9ece6f8e5a2f6d5a626a8e088394f22748956235f9aff90 - SHA-1:
cfb5bc11cc0d8cf66df9bf9c04381590b43edee9 - MD5:
d84938a4d38e63537c687a1cf0981dab - ssdeep:
1536:BF85xBzqGGyGfMCZkPFmycXKNsPdIU0swwax52+oz5LY:m3zqPyGfMCZgFMK2dSswJx52ZzG - TLSH:
T19A37D1F3A197DD8D3AC62B5369E521BC3449D2CCEA32DA2094842B6CC87C37E7D45642 - Submitted as: c8f5fdd83a8a2538d9ece6f8e5a2f6d5a626a8e088394f22748956235f9aff90
- File type: pdf · Size: 72485 bytes
- Verdict: malicious (100/100)
Detections (5 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
- Trellix Stinger (McAfee): PDF/Phish-FAB!D84938A4D38E
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 100/100 is the fusion of 11 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 - Trellix Stinger (McAfee) flagged PDF/Phish-FAB!D84938A4D38E (rule
PDF/Phish-FAB!D84938A4D38E) - 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 link rated suspicious by URL analysis: https://cdn-cms.f-static.net/uploads/4426972/normal_6019736f319a6.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://laborke.ru/pbw?utm_term=21+month+baby+boy+weight+in+kg, https://cdn-cms.f-static.net/uploads/4426972/normal_6019736f319a6.pdf, https://cdn-cms.f-static.net/uploads/4503791/normal_6066ed76a4d0e.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 (17 C2) (generic/advisory) - engine signal, weight 0.15, 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
- c.pki.goog
- x2.c.lencr.org
- ye.c.lencr.org
- yr.c.lencr.org
- ntp.ubuntu.com
- 250.255.255.239.in-addr.arpa
- 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/
- 192.168.122.116
- 23.40.52.121
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://laborke.ru/pbw?utm_term=21+month+baby+boy+weight+in+kg
- https://cdn-cms.f-static.net/uploads/4426972/normal_6019736f319a6.pdf
- https://cdn-cms.f-static.net/uploads/4503791/normal_6066ed76a4d0e.pdf
- https://cdn-cms.f-static.net/uploads/4480748/normal_604d014ad5540.pdf
- https://cdn-cms.f-static.net/uploads/4447647/normal_6058fd8a7c7e6.pdf
- https://cdn-cms.f-static.net/uploads/4383137/normal_5fd84db616b05.pdf
- https://cdn-cms.f-static.net/uploads/4383577/normal_60281342341a8.pdf
- http://wiliser.pbworks.com/f/64973187145.pdf
- http://guwodav.pbworks.com/w/file/fetch/144779226/how_to_turn_off_secret_conversation_on_messenger_july_2020.pdf
- http://sonubugu.pbworks.com/w/file/fetch/144894297/78482380980.pdf
- http://tikomegeto.pbworks.com/f/solving_quadratic_equations_by_graphing_worksheet_answers_algebra_2.pdf
- http://juwelite.pbworks.com/f/89372728090.pdf
- http://rukutuxeriro.pbworks.com/f/8507584153.pdf
- http://lorugaz.pbworks.com/w/file/fetch/144880617/anderson_fundamentals_of_aerodynamics.pdf
- https://cdn-cms.f-static.net/uploads/4463272/normal_6060219a485d6.pdf
- https://cdn-cms.f-static.net/uploads/4488315/normal_606c8cebba902.pdf
- https://cdn-cms.f-static.net/uploads/4370088/normal_6057fccc3d0d5.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
Embedded domains
- laborke.ru
- cdn-cms.f-static.net
- wiliser.pbworks.com
- guwodav.pbworks.com
- sonubugu.pbworks.com
- tikomegeto.pbworks.com
- juwelite.pbworks.com
- rukutuxeriro.pbworks.com
- lorugaz.pbworks.com
- www.w3.org
- purl.org
- ns.adobe.com
- x2.c.lencr.org
- ye.c.lencr.org
- yr.c.lencr.org
Embedded IP addresses
- 4.207.44.66
- 57.155.101.212
- 40.84.97.4
- 52.110.12.47
- 48.211.4.16
- 4.230.171.124
- 52.253.84.76
- 74.178.76.128
- 20.184.175.13
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report