SUSPICIOUS — normal_5f8744d4bd183.pdf
SUSPICIOUS — normal_5f8744d4bd183.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (64/100). 3 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
f4220215e67a182abffee86061022ccae695eb90e0c2912ea8d2bdb42d45b2fc - SHA-1:
60253b47e932f7722d683bba0cb5f3daff0fd8dc - MD5:
d1be128efd5fbc08398133c24c3a464b - ssdeep:
768:ngGzpDlp66thxqD3MZQhgojBxxz3uWtOpPvR9zK9N0xFZHT:gGFZpg1eWApPvrzK9evZHT - TLSH:
T152308DF360E3DE8C798BAB13AAA715691188C64C6227D7A058C87B2DD4BC5BD7F10910 - Submitted as: normal_5f8744d4bd183.pdf
- File type: pdf · Size: 36671 bytes
- Verdict: suspicious (64/100)
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 suspicious score of 64/100 is the fusion of 5 weighted signals:
- Contacted 18 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://ggtraff.ru/123?keyword=clinical+orthopaedic+diagnosis+pdf, https://cdn-cms.f-static.net/uploads/4365552/normal_5f8706e3e1bd8.pdf, https://cdn-cms.f-static.net/uploads/4365646/normal_5f870e22494f5.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 (14 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9766 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
- ntp.ubuntu.com
- 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
- desktop-hsgcbep
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
3d1343da42fd626c34b818d581a5e5466ce5c595af94e713eb3f6cf77e86c667 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\45b67987ee115669f3989c4462c29b1b.png -
6627d65a4c124ce5920966cae11a7614f6f54632c80a00bd47e32f49b92aad7c - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ggtraff.ru/123?keyword=clinical+orthopaedic+diagnosis+pdf
- https://cdn-cms.f-static.net/uploads/4365552/normal_5f8706e3e1bd8.pdf
- https://cdn-cms.f-static.net/uploads/4365646/normal_5f870e22494f5.pdf
- https://cdn-cms.f-static.net/uploads/4366408/normal_5f873f11137fd.pdf
- https://uploads.strikinglycdn.com/files/a41aadd0-1e9f-428a-830f-a5e224c956a6/53613410683.pdf
- https://uploads.strikinglycdn.com/files/4397888d-f9a5-46b1-89d0-713c47a9a3d2/74099005294.pdf
- https://cdn.shopify.com/s/files/1/0497/1524/9309/files/humayun_ahmed_download.pdf
- https://cdn.shopify.com/s/files/1/0483/0668/4068/files/exact_answer_in_math.pdf
- https://cdn.shopify.com/s/files/1/0483/6245/5191/files/plano_west_high_school_population.pdf
- https://site-1043541.mozfiles.com/files/1043541/31521706926.pdf
- https://site-1040341.mozfiles.com/files/1040341/93496475042.pdf
- https://site-1039375.mozfiles.com/files/1039375/limapimawopogevif.pdf
- https://cdn-cms.f-static.net/uploads/4366620/normal_5f872b053828f.pdf
- https://cdn-cms.f-static.net/uploads/4365552/normal_5f86f7012c100.pdf
- https://cdn-cms.f-static.net/uploads/4366034/normal_5f87003b1bb79.pdf
- https://cdn-cms.f-static.net/uploads/4366366/normal_5f870e323af51.pdf
- https://cdn-cms.f-static.net/uploads/4366043/normal_5f8734c216b71.pdf
- https://cdn.shopify.com/s/files/1/0432/1473/3480/files/having_the_mind_of_christ.pdf
- https://cdn.shopify.com/s/files/1/0434/5767/5421/files/bacteria_proteus_vulgaris.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/
Embedded domains
- ggtraff.ru
- cdn-cms.f-static.net
- uploads.strikinglycdn.com
- cdn.shopify.com
- site-1043541.mozfiles.com
- site-1040341.mozfiles.com
- site-1039375.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 92.223.78.30
- 172.172.255.216
- 162.159.142.9
- 52.168.117.168
- 135.233.95.135
- 85.210.193.152
- 52.110.12.42
- 52.110.12.26
- 135.233.95.144
- 4.230.171.124
- 203.26.79.13
- 4.155.93.171
- 4.150.223.102
- 52.123.129.14
- 52.123.128.14
- 74.178.232.29
- 142.250.207.3
- 142.251.42.99
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report