MALICIOUS — f35da0_be2b66c44be34bb0843205608c9c0f2d.pdf
MALICIOUS — f35da0_be2b66c44be34bb0843205608c9c0f2d.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (89/100). 3 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
56e20becf1725df82ad5a5e19326f22e0158328dcd506f9077abe41788f99eb7 - SHA-1:
45c00ad9a9e4994c95c9bb45ce73bd4da8bea111 - MD5:
3fbd81cde18d9bd4404cb5d51d32c170 - ssdeep:
768:LgGzpD45aJHNV+eqszEs4uH/ihx7hWIowAhi9N6KDGI6XW6r6064EYR9K4i:0GFEGMe2s40IxdxOH64EYHK4i - TLSH:
T1F532AFF31067DC8C7A86EB037DFA2459944AD78861329AB00588776CC9BC3FCBE10A50 - Submitted as: f35da0_be2b66c44be34bb0843205608c9c0f2d.pdf
- File type: pdf · Size: 45405 bytes
- Verdict: malicious (89/100)
Detections (3 of 54 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 89/100 is the fusion of 8 weighted signals:
- Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule
PDF.Spam.Heur.1) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged HEUR:Trojan.Script.Generic (rule
HEUR:Trojan.Script.Generic) - 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: https://ttraff.ru/wix?keyword=perry+township+schools+enrollment, https://cdn.shopify.com/s/files/1/0430/7160/2855/files/what_to_write_for_esl_student_evaluation_template.pdf, https://cdn.shopify.com/s/files/1/0433/6336/9125/files/72737731771.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 (6 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
1047 behavior events · 0 ATT&CK techniques · 1 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- searchapp.bundleassets.example
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- inference.location.live.net
- to-do.office.com
- staging.to-do.officeppe.com
- m365.cloud.microsoft
- res.public.onecdn.static.microsoft
- ntp.ubuntu.com
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- 23.40.52.209
- 23.11.37.157
- 199.232.138.172
- 192.168.122.108
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ttraff.ru/wix?keyword=perry+township+schools+enrollment
- https://cdn.shopify.com/s/files/1/0430/7160/2855/files/what_to_write_for_esl_student_evaluation_template.pdf
- https://cdn.shopify.com/s/files/1/0433/6336/9125/files/72737731771.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/domamusuvusuzexi.pdf
- http://files.annblackburnpoetry.com/uploads/1/3/1/3/131380107/2a949.pdf
- http://bipux.fabiansmagic.com/uploads/1/3/1/4/131438477/fenikudeki.pdf
- http://files.allisonmsullivan.com/uploads/1/3/1/6/131606687/zowigofunute.pdf
- http://files.campmangan.com/uploads/1/3/1/0/131071166/8434701.pdf
- http://bonomat.jurongdistrict22.com/uploads/1/3/0/7/130776089/lupasotixawulem-filadalewo-tipod-gifizuzevesat.pdf
- https://cdn.shopify.com/s/files/1/0435/0384/5541/files/41671507487.pdf
- https://cdn.shopify.com/s/files/1/0432/7650/1158/files/ariana_grande_an_angel_cried.pdf
- https://cdn.shopify.com/s/files/1/0464/2753/7560/files/xopefuxujowurutelofi.pdf
- https://cdn.shopify.com/s/files/1/0429/9682/6273/files/vebitabul.pdf
- https://cdn.shopify.com/s/files/1/0436/3508/1374/files/53956033549.pdf
- https://cdn.shopify.com/s/files/1/0433/6330/3575/files/amiga_date_cuenta_libro_capitulo_1.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
- ttraff.ru
- cdn.shopify.com
- files.annblackburnpoetry.com
- bipux.fabiansmagic.com
- files.allisonmsullivan.com
- files.campmangan.com
- bonomat.jurongdistrict22.com
- www.w3.org
- purl.org
- ns.adobe.com
- res.public.onecdn.static.microsoft
Embedded IP addresses
- 135.232.92.34
- 52.110.12.21
- 57.154.63.210
- 52.123.128.14
- 40.99.133.226
- 40.99.134.18
- 92.223.78.30
- 52.123.252.235
- 4.230.171.124
- 20.42.179.204
- 162.159.36.2
- 172.66.2.5
- 162.159.142.9
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report