MALICIOUS — 8146952.pdf
MALICIOUS — 8146952.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (75/100). 2 of 50 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
e3a60db8d22ecbc8a23bb126cd642d5845eb4753d0fe11f8fd005b85dddfe6ed - SHA-1:
966d1819caec6529cc86278fbd6b5c25b680ac21 - MD5:
912fe023abd17c8e41218cf19a42f6ce - ssdeep:
1536:cGFkMTi1LSxY396b75NPDFneqMH/s/Ej/xUPgpKaYo7Uu7Q47WmX2DoWDfAo:5Fkgi1LSWIb75eqy/s/E1fj7UoQ4R2Dl - TLSH:
T18936D0F31477CD48AA868B075AE9446E614ADB89603356706D8C737CC0A86FDBE04D72 - Submitted as: 8146952.pdf
- File type: pdf · Size: 69588 bytes
- Verdict: malicious (75/100)
Detections (2 of 50 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
MITRE ATT&CK
Why this verdict
The malicious score of 75/100 is the fusion of 7 weighted signals:
- Contacted 12 external host(s) at runtime (2 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/f59d95c2-9a62-476d-b20a-b4f05ae92a40/14646656647.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://ggtraff.ru/wb?keyword=thermoregulation%20in%20vertebrates%20pdf, https://uploads.strikinglycdn.com/files/f59d95c2-9a62-476d-b20a-b4f05ae92a40/14646656647.pdf, https://uploads.strikinglycdn.com/files/c1df65d5-7393-4108-924c-02a6eae89ef8/tewajotoradakujofe.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 - Extracted generic config (7 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9838 behavior events · 1 ATT&CK techniques · 3 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- searchapp.bundleassets.example
- to-do.office.com
- inference.location.live.net
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- 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
- 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
- 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
- 250.255.255.239.in-addr.arpa
- ntp.ubuntu.com
- _dosvc._tcp.local
- desktop-hsgcbep._dosvc._tcp.local
- desktop-hsgcbep
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
e5ca905e7ed2363c19f3042dc036c419e3d1a3114739f648c48a6b0ae660a0e0 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\a0e70dfbd2480b62760134a6ad6c270a.png -
48cfc5b58d2e2e69501963f100273b85424778b7c94449cfde85db842710995b - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ggtraff.ru/wb?keyword=thermoregulation%20in%20vertebrates%20pdf
- https://s3.amazonaws.com/neviwove/absceso_hepatico_en_pediatria_revision.pdf
- https://s3.amazonaws.com/pazovugal/fifakizum.pdf
- https://uploads.strikinglycdn.com/files/f59d95c2-9a62-476d-b20a-b4f05ae92a40/14646656647.pdf
- https://s3.amazonaws.com/leguvefu/10th_class_maths_solution_fbise.pdf
- https://s3.amazonaws.com/sugowubuf/utrgv_campus_map_brownsville.pdf
- https://uploads.strikinglycdn.com/files/c1df65d5-7393-4108-924c-02a6eae89ef8/tewajotoradakujofe.pdf
- https://uploads.strikinglycdn.com/files/6d8ae55f-9696-4cc5-9ed7-f5e6a955e5cd/calligraphy_practice_notebook.pdf
- https://uploads.strikinglycdn.com/files/79c082ec-bf3e-428b-b7ff-9004b85f0869/60685282403.pdf
- https://s3.amazonaws.com/rerinago/88374827748.pdf
- https://cdn.shopify.com/s/files/1/0505/8628/8296/files/tefuvufarodusa.pdf
- https://s3.amazonaws.com/xezujuxoz/17283484918.pdf
- https://uploads.strikinglycdn.com/files/41ec0e7b-89f0-4580-b553-0235e3ab93d8/cursive_workbook_for_adults.pdf
- https://s3.amazonaws.com/rekorewexidiwo/class_attendance_register.pdf
- https://s3.amazonaws.com/gupuso/zitawogiwe.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
- http://rb.symcb.com/rb.crl
- http://203.26.79.13/filestreamingservice//files/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Embedded domains
- ggtraff.ru
- s3.amazonaws.com
- uploads.strikinglycdn.com
- cdn.shopify.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 20.184.175.18
- 172.172.255.216
- 74.179.77.204
- 52.110.12.54
- 20.231.239.246
- 4.230.171.124
- 72.145.35.99
- 172.215.188.225
- 74.178.76.128
- 203.26.79.13
- 52.123.128.14
- 40.99.133.226
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report