MALICIOUS — f26f571af8e90.pdf
MALICIOUS — f26f571af8e90.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (86/100). 2 of 50 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
7ab9ed60af465aab1fd6b716f4cedf41a7a4351a8cc05501dd23d81304b678aa - SHA-1:
b2b28403bf2e249dc42d4929d79edd73f9fb0f9e - MD5:
3f9f1e6edf27a518af6d76a52108aa30 - ssdeep:
768:ygGzpDLjpnW3u3ZkVmX9y7rJA983eie5NQA3pWuvjTTf1Y+Bd31INV1F9:vGFvjpWytyWbP5NQA3oQf1flINV1F9 - TLSH:
T13D33AEF75547ED8C3E87AB835C6B5289208EC7897173D3A00888376CC5BC6AD6F10A60 - Submitted as: f26f571af8e90.pdf
- File type: pdf · Size: 48782 bytes
- Verdict: malicious (86/100)
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 86/100 is the fusion of 7 weighted signals:
- Embedded link rated malicious by URL analysis: https://welofubevi.weebly.com/uploads/1/3/1/8/131856084/xufes.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 16 external host(s) at runtime (2 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://ggtraff.ru/wb?keyword=porque%20surge%20la%20bioetica, https://uploads.strikinglycdn.com/files/4c530774-4c2f-45f8-b792-cf0a815a5acc/26284334805.pdf, https://uploads.strikinglycdn.com/files/02b8d1e7-fbc9-4a39-824b-4d654ce3ce3b/5887941032.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 (17 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9679 behavior events · 1 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
- searchapp.bundleassets.example
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- 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
- desktop-hsgcbep
- desktop-hsgcbep._dosvc._tcp.local
- 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(1)._dosvc._tcp.local
- desktop-hsgcbep(2)._dosvc._tcp.local
- ntp.ubuntu.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\091c1e3a2262d7c1d195ec6b4dd12449.png -
afc9f14c2d274d51957e9db4df013053d02b4ed1351d3843de0828ddfd4cac52 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
532f1c60759198782b0560010a6739c5ef04cf74d5af3573af6fd845e71851f4 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ggtraff.ru/wb?keyword=porque%20surge%20la%20bioetica
- https://uploads.strikinglycdn.com/files/4c530774-4c2f-45f8-b792-cf0a815a5acc/26284334805.pdf
- https://uploads.strikinglycdn.com/files/02b8d1e7-fbc9-4a39-824b-4d654ce3ce3b/5887941032.pdf
- https://uploads.strikinglycdn.com/files/09ee7335-190f-41ef-87d3-290d53aea0b6/ramubemado.pdf
- https://site-1043885.mozfiles.com/files/1043885/gowufewepufinu.pdf
- https://uploads.strikinglycdn.com/files/c9073739-f1ca-45ab-b62f-227a746ac666/fugoj.pdf
- https://uploads.strikinglycdn.com/files/993728b0-70a6-46f1-a340-7b22b2a314ca/mavub.pdf
- https://welofubevi.weebly.com/uploads/1/3/1/8/131856084/xufes.pdf
- https://vewutaniwem.weebly.com/uploads/1/3/0/8/130873717/mesurusokevan.pdf
- https://cdn.shopify.com/s/files/1/0438/4522/2557/files/mtg_ixalan_price_guide.pdf
- https://cdn.shopify.com/s/files/1/0494/7276/6119/files/tozazuvilazulobituwi.pdf
- https://cdn.shopify.com/s/files/1/0495/7320/0028/files/build_a_desert_biome.pdf
- https://uploads.strikinglycdn.com/files/30607107-965a-4d5d-9421-c9f47873f056/wofodagajekopudufelixovum.pdf
- https://uploads.strikinglycdn.com/files/0a447309-935b-4b2e-a422-6699eb243a5a/27197458509.pdf
- https://uploads.strikinglycdn.com/files/6432e822-4241-4ac1-b3d1-3f99a589079c/4464979075.pdf
- https://uploads.strikinglycdn.com/files/f13c2fc9-3786-4098-888d-6912c732e7e4/zuwanobupatudadewuzo.pdf
- https://uploads.strikinglycdn.com/files/2175ee1b-95ba-415b-9f92-caa468f3d5dd/relumefekinibivasun.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
- ggtraff.ru
- uploads.strikinglycdn.com
- site-1043885.mozfiles.com
- welofubevi.weebly.com
- vewutaniwem.weebly.com
- cdn.shopify.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.168.117.175
- 172.66.2.5
- 20.50.201.204
- 4.144.132.223
- 4.230.171.124
- 52.230.60.54
- 135.233.95.80
- 203.26.79.13
- 74.178.76.128
- 40.99.133.226
- 135.233.45.223
- 20.42.65.85
- 52.123.128.14
- 40.99.134.2
- 40.99.133.210
- 162.159.36.2
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report