MALICIOUS — af50cd70d27b6c3e9909f8c7dca55afa5261b7f664af63fecb8932bdff18df39
MALICIOUS — af50cd70d27b6c3e9909f8c7dca55afa5261b7f664af63fecb8932bdff18df39 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 4 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
af50cd70d27b6c3e9909f8c7dca55afa5261b7f664af63fecb8932bdff18df39 - SHA-1:
e27bee0e4a72554735481a4d0ae98e1af8ad5264 - MD5:
3d6703763ca3d8e6c05ae34bff923486 - ssdeep:
1536:9SsJ4mqLtIxDYLV1JGyaDzj5IleRqWZvAZWN9tjKwRAF8kQXUZUEnGlHFWiF44n3:D4mXCjGyaTlwO1ARQX8zGlHVm4n3 - TLSH:
T1E339CFF321DBDE4C7B87A75378AB26A8B088C3953222EB505448B65CC47877E7F20650 - Submitted as: af50cd70d27b6c3e9909f8c7dca55afa5261b7f664af63fecb8932bdff18df39
- File type: pdf · Size: 90366 bytes
- Verdict: malicious (98/100)
Detections (4 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- ClamAV (daily): Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 98/100 is the fusion of 7 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 - Embedded link rated malicious by URL analysis: https://uploads.strikinglycdn.com/files/f2b37ba5-886b-4145-9198-46bf6ea7428e/44505412334.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 18 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://jumiwimov.ru/award?keyword=ielts+recent+actual+test+vol+6+pdf, https://cdn.sqhk.co/mitukutowum/gcNTJCf/vuzexetewezebudemejo.pdf, https://uploads.strikinglycdn.com/files/f2b37ba5-886b-4145-9198-46bf6ea7428e/44505412334.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
Dynamic analysis (windows)
9728 behavior events · 0 ATT&CK techniques · 3 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- ntp.ubuntu.com
- desktop-hsgcbep
- 250.255.255.239.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
- 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
- 252.0.0.224.in-addr.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
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\9509b59a4c8046f4070d1e84c3a2b217.png -
f215e333fb041cd81e7c84e57c8942a256195976069fccbe3a623a9bc8974586 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
d56ebe848380e75ca2feba348544c22c43c49046b389fff5ae223d75efb21dca - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://jumiwimov.ru/award?keyword=ielts+recent+actual+test+vol+6+pdf
- https://cdn.sqhk.co/mitukutowum/gcNTJCf/vuzexetewezebudemejo.pdf
- https://uploads.strikinglycdn.com/files/f2b37ba5-886b-4145-9198-46bf6ea7428e/44505412334.pdf
- https://static.s123-cdn-static.com/uploads/4406456/normal_6000ec7e5c836.pdf
- https://static.s123-cdn-static.com/uploads/4380705/normal_5ffda322cf4cf.pdf
- https://static.s123-cdn-static.com/uploads/4496585/normal_5ffb2856150be.pdf
- https://d89a15f7-21b5-45f0-b9b4-bc5b7be68842.filesusr.com/ugd/18e821_23a7fc93c6cf4206b0703748cac662a6.pdf?index=true
- https://uploads.strikinglycdn.com/files/3fbff2f1-663d-4bff-9fe9-f27c49fb7b63/maserati_granturismo_mc_stradale_convertible.pdf
- https://cdn.sqhk.co/xipapotug/ij6yqjc/thrifty_shopper_oswego_ny.pdf
- https://static.s123-cdn-static.com/uploads/4377410/normal_5fe140ffef509.pdf
- https://cdn.sqhk.co/ravawiku/gegig68/jotidejiwirewidige.pdf
- https://cdn.sqhk.co/sovajepuxe/e5wvhht/knife_clash_apk.pdf
- https://cdn.sqhk.co/wupetutigo/hivaij8/bijisanusi.pdf
- https://874c0fd6-92eb-497b-905f-dc7ca4d2e287.filesusr.com/ugd/5ca7d4_756f4393dcef46fe8016be141f623e60.pdf?index=true
- https://uploads.strikinglycdn.com/files/87cc1d30-48ab-4fed-925c-92f098b1e1de/jubamupuwiwarekap.pdf
- https://cdn.sqhk.co/nujoxodove/hgfhhM6/rupozeme.pdf
- https://6200e599-3f2f-4e3e-ab45-e6977ed7e777.filesusr.com/ugd/f8de3e_c7893ed727a346608cd0b18a72ec2208.pdf?index=true
- https://cdn.sqhk.co/sifujubagis/ghgfeEN/sabodelitutibej.pdf
- https://cdn.sqhk.co/dejijadu/N9jbPha/peach_raspberry_jam_recipe_no_pectin.pdf
- https://cdn.sqhk.co/bulunazi/hgfCheS/dr_davenport_franklin_tn_reviews.pdf
- https://cdn.sqhk.co/xidafigutoxa/HjejsSF/tatisudez.pdf
- https://dfabac9c-3a78-4d86-b112-ccf1750024e9.filesusr.com/ugd/b46e2f_57ac7e30ebbe45ffb44f5d00a7361a85.pdf?index=true
- https://cdn.sqhk.co/lokijuzim/sicrtjb/81770268757.pdf
- https://uploads.strikinglycdn.com/files/535a0cc5-2f82-4055-a010-eb2ec3558cf3/33155880695.pdf
- https://uploads.strikinglycdn.com/files/436a1a7e-6c86-4820-a5bb-c5503bd00b3d/echo_does_not_work_in_shell_script.pdf
Embedded domains
- jumiwimov.ru
- cdn.sqhk.co
- uploads.strikinglycdn.com
- static.s123-cdn-static.com
- d89a15f7-21b5-45f0-b9b4-bc5b7be68842.filesusr.com
- 874c0fd6-92eb-497b-905f-dc7ca4d2e287.filesusr.com
- 6200e599-3f2f-4e3e-ab45-e6977ed7e777.filesusr.com
- dfabac9c-3a78-4d86-b112-ccf1750024e9.filesusr.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 4.247.188.224
- 52.123.252.213
- 52.110.12.49
- 4.230.171.124
- 20.247.185.124
- 20.165.94.63
- 74.178.76.54
- 20.231.239.246
- 74.178.76.128
- 135.233.45.223
- 172.215.188.225
- 74.179.71.159
- 203.26.79.13
- 52.123.252.204
- 4.150.223.115
- 48.199.12.1
- 4.207.44.65
- 20.184.175.16
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report