MALICIOUS — normal_5f96eb272bba1.pdf
MALICIOUS — normal_5f96eb272bba1.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (82/100). 3 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
e05ef05e222d986833ecd03dbd42c568ff075d826bc8371a0d83f34970e5663d - SHA-1:
b522c852d1320fd2e03b549ee669f8f4fadc5d95 - MD5:
da56b78ec212f0acfc0783a6556ad121 - ssdeep:
768:9gGzpDup0NWZQZ7BH4+wiAAika2LNPTKoqAoRnunaZ6qAVdaLdzTbtOPBG:+GFyp0NvFAZj2ZPWoqXunQ6xzidzTbtj - TLSH:
T185329CF3108BFC4C7AC7A7079CB614666189C689B23797604888772DD4BC2BEBE50971 - Submitted as: normal_5f96eb272bba1.pdf
- File type: pdf · Size: 46349 bytes
- Verdict: malicious (82/100)
Detections (3 of 53 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 82/100 is the fusion of 6 weighted signals:
- Memory forensics: 3 finding(s), e.g. RWX/private injected region in SumatraPDF.exe (pid 3436) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - Contacted 21 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/123?keyword=insert+header+and+footer+in+pdf, https://uploads.strikinglycdn.com/files/1aed0ccf-d9a7-443d-8c4c-a184d38423e0/luripusiz.pdf, https://uploads.strikinglycdn.com/files/3f5949b3-d19f-4262-a8a4-84abd4249e17/santa_marta_colombia.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 (8 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9725 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
- c.pki.goog
- 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
- 252.0.0.224.in-addr.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
- desktop-hsgcbep
- 255.255.254.169.in-addr.arpa
- 251.0.0.224.in-addr.arpa
- 250.255.255.239.in-addr.arpa
- http://www.msftconnecttest.com/connecttest.txt
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
a2598c8918fa2a1d08f07159d3e8f1f575ce04bda4813715273c41ed61c21303 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\2c1c5bd1f3e78d00bb0ba511c44acd35.png -
a079dd6549f0e4ad94a1fb3f7e208d5672b832f8e39e73a972d09021fc172d5f - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=insert+header+and+footer+in+pdf
- https://uploads.strikinglycdn.com/files/1aed0ccf-d9a7-443d-8c4c-a184d38423e0/luripusiz.pdf
- https://uploads.strikinglycdn.com/files/3f5949b3-d19f-4262-a8a4-84abd4249e17/santa_marta_colombia.pdf
- https://uploads.strikinglycdn.com/files/a042cf5e-dab5-44c2-a82a-5b9a7bf884d6/56693193058.pdf
- https://uploads.strikinglycdn.com/files/ec783a3d-8a53-4550-aa6c-4d6823b15f4c/jubotosevepo.pdf
- https://uploads.strikinglycdn.com/files/ec4cfb08-2e6b-4b30-8160-aeea96b78005/46301618517.pdf
- https://uploads.strikinglycdn.com/files/aee167f3-238b-489e-a68d-a4524e898b24/30308074546.pdf
- https://uploads.strikinglycdn.com/files/9eaf7deb-b854-4d7d-8131-aa12beec0812/kabixemadezata.pdf
- https://kugixixubeleji.weebly.com/uploads/1/3/4/3/134324677/703c23922b0a.pdf
- https://gumiworawogulaf.weebly.com/uploads/1/3/4/3/134356348/8e1f2aafc6.pdf
- https://jikubefu.weebly.com/uploads/1/3/4/3/134318914/1659222.pdf
- https://dunofedipusafo.weebly.com/uploads/1/3/4/4/134477286/sejerugefoluzoxoko.pdf
- https://s3.amazonaws.com/saxefi/cascading_style_sheets_in_hindi.pdf
- https://s3.amazonaws.com/juvuraguvutoxif/vugofigotosumikivixufifus.pdf
- https://s3.amazonaws.com/fekaduvopigab/pabunelusugasidume.pdf
- https://s3.amazonaws.com/rokuwapesu/define_socialization.pdf
- https://s3.amazonaws.com/rujimidujek/semoziluzomitakase.pdf
- https://cdn.shopify.com/s/files/1/0491/7900/0998/files/wisanilofogivanavutumizu.pdf
- https://cdn.shopify.com/s/files/1/0484/2445/2254/files/muvogumupepivexup.pdf
- https://cdn.shopify.com/s/files/1/0500/4623/8880/files/morasagenuso.pdf
- https://cdn.shopify.com/s/files/1/0484/7855/2218/files/25502690144.pdf
- https://cdn.shopify.com/s/files/1/0467/5656/1059/files/hemnes_sofa_table_used.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/
Embedded domains
- cctraff.ru
- uploads.strikinglycdn.com
- kugixixubeleji.weebly.com
- gumiworawogulaf.weebly.com
- jikubefu.weebly.com
- dunofedipusafo.weebly.com
- s3.amazonaws.com
- cdn.shopify.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.66.2.5
- 51.105.71.136
- 74.178.232.29
- 4.155.90.37
- 52.110.12.30
- 20.3.1.41
- 4.230.171.124
- 4.247.188.224
- 203.26.79.13
- 74.179.77.164
- 4.207.44.76
- 20.165.94.63
- 51.104.15.252
- 52.123.129.14
- 52.123.252.225
- 52.123.252.232
- 135.233.45.223
- 74.178.76.44
- 142.251.222.3
- 20.184.175.13
- 142.250.195.131
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report