MALICIOUS — 5b5da7_73e232382a734eb2a6e502ccfa664b43.pdf
MALICIOUS — 5b5da7_73e232382a734eb2a6e502ccfa664b43.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (89/100). 3 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
baabbec27d5c875dbbd9e67a15bfa01f0f17f3635fb136c3a11efd120d116e25 - SHA-1:
182a0aa1d8e74882745b936d6f392b33f1cf8df5 - MD5:
9cb4512a2c3469f3d7fbbeb2ef95b2d2 - ssdeep:
768:vgGzpDrBc/P30q5gCxv/NkMm0WYstA1iwozehkAS4LmDdYFqTqMjUOEZR7KdlzSL:YGFfBeqRnwoze3cpYFqT8NZZKdlzSVl - TLSH:
T14132BFF3A86BFC8C6E87A703ACA7004A2149C74D2123E721598D776CD87C6BC7E50920 - Submitted as: 5b5da7_73e232382a734eb2a6e502ccfa664b43.pdf
- File type: pdf · Size: 44991 bytes
- Verdict: malicious (89/100)
Detections (3 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Kaspersky (KVRT): UDS:Trojan.PDF.SBadur.gen
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 UDS:Trojan.PDF.SBadur.gen (rule
UDS:Trojan.PDF.SBadur.gen) - 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=the+scarlet+letter+chapter+4+questions+and+answers, https://cdn.shopify.com/s/files/1/0433/6756/3420/files/zeguzutotigozajo.pdf, https://cdn.shopify.com/s/files/1/0430/8333/3785/files/93643097188.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 7 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
- Extracted generic config (1 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
1007 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
- to-do.office.com
- staging.to-do.officeppe.com
- m365.cloud.microsoft
- ntp.ubuntu.com
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- 23.40.52.209
- 23.11.37.157
- 150.171.22.17
- 74.178.76.44
- 192.168.122.109
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ttraff.ru/wix?keyword=the+scarlet+letter+chapter+4+questions+and+answers
- https://cdn.shopify.com/s/files/1/0433/6756/3420/files/zeguzutotigozajo.pdf
- https://cdn.shopify.com/s/files/1/0430/8333/3785/files/93643097188.pdf
- https://cdn.shopify.com/s/files/1/0434/1415/9521/files/fraction_worksheets_3rd_grade_common_core.pdf
- https://cdn.shopify.com/s/files/1/0434/0157/6615/files/transformateur_pour_cellule_bobine_mobile.pdf
- https://cdn.shopify.com/s/files/1/0429/3342/0199/files/16111897963.pdf
- https://cdn.shopify.com/s/files/1/0435/8114/5243/files/multivariate_gamma_distribution.pdf
- https://cdn.shopify.com/s/files/1/0452/6276/6242/files/windows_media_creation_tool_1903.pdf
- https://cdn.shopify.com/s/files/1/0433/4852/5206/files/bartolinite_tratamento.pdf
- https://cdn.shopify.com/s/files/1/0440/7679/4021/files/approach_to_anemia.pdf
- https://cdn.shopify.com/s/files/1/0469/0460/6882/files/subject_verb_agreement_intermediate_exercises.pdf
- https://cdn.shopify.com/s/files/1/0433/4072/6431/files/1549400245.pdf
- https://cdn.shopify.com/s/files/1/0429/9092/8026/files/34360724320.pdf
- https://cdn.shopify.com/s/files/1/0438/7163/3563/files/vidapufavekavunaderi.pdf
- https://cdn.shopify.com/s/files/1/0437/2260/4693/files/castor_oil_plant.pdf
- https://cdn.shopify.com/s/files/1/0430/7766/4929/files/chennai_express_movie_hd_1080p_filmywap.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
Embedded domains
- ttraff.ru
- cdn.shopify.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 74.178.76.44
- 172.66.2.5
- 52.110.12.3
- 135.232.92.137
- 52.123.128.14
- 92.223.78.30
- 162.159.36.2
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report