MALICIOUS — normal_5f88204193881.pdf
MALICIOUS — normal_5f88204193881.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (80/100). 3 of 50 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
761c73cd9ec69f0212af59e1772f94779875512aa5e0c3c5a30e413b287c85bb - SHA-1:
ca050c34838cfb7728c0df42077aa7162a954182 - MD5:
84fa25991a00fb4ac8d359c89377539e - ssdeep:
768:wgGzpD7plpvb6qma0SWoNpw9+kczt6gBMazjrAfByLoKYrMorBbbcit:dGFPplVb6qmTUMazQpqQrM8bXt - TLSH:
T190326CF340A3DD4C778F9B17ADA711A9A58EDB4C6136A760458CB32CD0BC5BE2E00951 - Submitted as: normal_5f88204193881.pdf
- File type: pdf · Size: 45868 bytes
- Verdict: malicious (80/100)
Detections (3 of 50 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Kaspersky (KVRT): HEUR:Trojan.Script.Generic
MITRE ATT&CK
Why this verdict
The malicious score of 80/100 is the fusion of 7 weighted signals:
- Embedded link rated malicious by URL analysis: https://juragubiv.weebly.com/uploads/1/3/0/8/130874328/rimotipa.pdf - network signal, weight 0.70, confidence 0.80
- Embedded network infrastructure: https://ggtraff.ru/123?keyword=a+course+in+statistics+with+r+pdf, https://juragubiv.weebly.com/uploads/1/3/0/8/130874328/rimotipa.pdf, https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/36ce75ac.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
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90 - 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)
9712 behavior events · 1 ATT&CK techniques · 3 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- searchapp.bundleassets.example
- inference.location.live.net
- staging.to-do.officeppe.com
- ntp.ubuntu.com
- b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- 3.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- 252.0.0.224.in-addr.arpa
- 2.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- desktop-hsgcbep
- 250.255.255.239.in-addr.arpa
- desktop-hsgcbep._dosvc._tcp.local
- desktop-hsgcbep(1)._dosvc._tcp.local
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- 23.40.52.85
- 199.232.138.172
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
92934636efc0f5a99375e884fd82060bc2042f051a9ac8a7c5b35cefce07b505 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\fe6003aa185b3f0685429e67a76f01c8.png -
16642f7957987f075061ad7f1b747ca24937ba329ecca5d21fc1af0e78871a6f - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ggtraff.ru/123?keyword=a+course+in+statistics+with+r+pdf
- https://juragubiv.weebly.com/uploads/1/3/0/8/130874328/rimotipa.pdf
- https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/36ce75ac.pdf
- https://wegupufula.weebly.com/uploads/1/3/0/8/130813429/07758b41.pdf
- https://pejopazuzaguwoz.weebly.com/uploads/1/3/2/8/132815183/vukajuxeravetiwaze.pdf
- https://rewemekekebaz.weebly.com/uploads/1/3/1/4/131406535/6168241.pdf
- https://cdn.shopify.com/s/files/1/0484/3012/1112/files/dositaxanijogil.pdf
- https://cdn.shopify.com/s/files/1/0432/1086/6851/files/warox.pdf
- https://cdn.shopify.com/s/files/1/0482/1742/4024/files/green_dolphin_st_lead_sheet.pdf
- https://cdn.shopify.com/s/files/1/0497/3153/5002/files/wovifawij.pdf
- https://cdn.shopify.com/s/files/1/0477/5631/2732/files/93205907522.pdf
- https://gurigibafex.weebly.com/uploads/1/3/0/7/130739571/xovefirebe-dikuxepixazo-lovojulobena-perugusopi.pdf
- https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/domovodibaposix.pdf
- https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/4867245.pdf
- https://sibakixode.weebly.com/uploads/1/3/2/8/132814768/671e2e5e0646791.pdf
- https://cdn-cms.f-static.net/uploads/4369486/normal_5f8818e5777ba.pdf
- https://cdn-cms.f-static.net/uploads/4366660/normal_5f87cf1981486.pdf
- https://cdn-cms.f-static.net/uploads/4366357/normal_5f873ad62dbe9.pdf
- https://cdn-cms.f-static.net/uploads/4366029/normal_5f872b64cc246.pdf
- https://site-1037899.mozfiles.com/files/1037899/wawaxofevulu.pdf
- https://site-1039270.mozfiles.com/files/1039270/43232682526.pdf
- https://site-1039171.mozfiles.com/files/1039171/jaxolupeko.pdf
- https://site-1044105.mozfiles.com/files/1044105/puvexifopapuviruxada.pdf
- https://cdn-cms.f-static.net/uploads/4366633/normal_5f877bad9c3e4.pdf
- https://cdn-cms.f-static.net/uploads/4365584/normal_5f86f51ea12e6.pdf
Embedded domains
- ggtraff.ru
- juragubiv.weebly.com
- dutitujazekap.weebly.com
- wegupufula.weebly.com
- pejopazuzaguwoz.weebly.com
- rewemekekebaz.weebly.com
- cdn.shopify.com
- gurigibafex.weebly.com
- guwomenod.weebly.com
- gimejexoxixaza.weebly.com
- sibakixode.weebly.com
- cdn-cms.f-static.net
- site-1037899.mozfiles.com
- site-1039270.mozfiles.com
- site-1039171.mozfiles.com
- site-1044105.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.123.252.236
- 52.110.12.47
- 172.215.188.225
- 4.230.171.124
- 52.123.252.226
- 20.76.201.171
- 20.165.94.63
- 52.123.128.14
- 162.159.36.2
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report