MALICIOUS — 8a9bcc_43bf8fb42a244d94b3953cd7ef559416.pdf
MALICIOUS — 8a9bcc_43bf8fb42a244d94b3953cd7ef559416.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (89/100). 3 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
0a43ae4cfd815dea60f3a1289b58f3133d16564a00e88b18ed0d72c78f17968e - SHA-1:
384d5a812394eeee076246416f3c96cb98beac84 - MD5:
b5b7fc4e8625c9c7cff820268ba5272d - ssdeep:
768:5gGzpDRSehCazojIZxV3EoGEeWC6Ha36cCJ6IzPmIqg5:6GFJZU9kca6QPmIqg5 - TLSH:
T13A31AFF30067DCCC768ADB07ADAA105E6156D6887132D76419D8BB6CC1BC3FDAE40960 - Submitted as: 8a9bcc_43bf8fb42a244d94b3953cd7ef559416.pdf
- File type: pdf · Size: 42078 bytes
- Verdict: malicious (89/100)
Detections (3 of 54 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 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 HEUR:Trojan.Script.Generic (rule
HEUR:Trojan.Script.Generic) - 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.link/wix?keyword=my+grammar+handbook+pdf, http://dogovuv.thepuredreamfortwayne.com/uploads/1/3/1/8/131856723/kagujupuvuxo.pdf, http://files.sgst-atx.com/uploads/1/3/1/8/131871583/tigenir_todejugo.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 6 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
- Extracted generic config (8 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
1057 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
- ntp.ubuntu.com
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- 23.40.52.85
- 23.11.37.157
- 20.190.167.148
- 192.168.122.112
- 74.178.240.51 NL · Amsterdam · AS8075 Microsoft Corporation
- 20.165.94.63 US · San Antonio · AS8075 Microsoft Corporation
- 74.178.240.61 NL · Amsterdam · AS8075 Microsoft Corporation
- 52.123.129.14 US · Redmond · AS8075 Microsoft Corporation
- 131.253.33.203
- 135.233.95.80 US · Des Moines · AS8075 Microsoft Limited
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ttraff.link/wix?keyword=my+grammar+handbook+pdf
- http://dogovuv.thepuredreamfortwayne.com/uploads/1/3/1/8/131856723/kagujupuvuxo.pdf
- http://files.sgst-atx.com/uploads/1/3/1/8/131871583/tigenir_todejugo.pdf
- http://files.montevistalacrosse.com/uploads/1/3/2/6/132681315/jamedam_wafefe_mazep_navefuvub.pdf
- http://pijox.powellsnativewildflowers.com/uploads/1/3/1/4/131437774/vesotex.pdf
- https://cdn.shopify.com/s/files/1/0458/2709/6739/files/taniveloreni.pdf
- https://cdn.shopify.com/s/files/1/0447/1455/7596/files/color_calibration_tool_for_android.pdf
- https://cdn.shopify.com/s/files/1/0432/0939/2285/files/zidiloligovigoko.pdf
- https://cdn.shopify.com/s/files/1/0438/8916/4440/files/market_opportunity_definition.pdf
- https://cdn.shopify.com/s/files/1/0432/4222/5832/files/12605446581.pdf
- https://cdn.shopify.com/s/files/1/0465/8354/6023/files/73979302858.pdf
- https://9468fa12-d70c-4b2f-883e-8513051313c0.filesusr.com/ugd/61b8bf_c37d3e1f2034496a91bd39ca8c352953.pdf?index=true
- https://4b48d582-fe74-464f-b53b-aed3023fa06c.filesusr.com/ugd/8e6e76_9b176b9ce6e44bcb8925d9f1e5271944.pdf?index=true
- https://d398d866-970a-4d25-8bb0-3b9843d639c1.filesusr.com/ugd/f95141_25f794f80e304eb1876a9ee9706c7bb4.pdf?index=true
- 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.link
- dogovuv.thepuredreamfortwayne.com
- files.sgst-atx.com
- files.montevistalacrosse.com
- pijox.powellsnativewildflowers.com
- cdn.shopify.com
- 9468fa12-d70c-4b2f-883e-8513051313c0.filesusr.com
- 4b48d582-fe74-464f-b53b-aed3023fa06c.filesusr.com
- d398d866-970a-4d25-8bb0-3b9843d639c1.filesusr.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 74.178.240.51
- 20.165.94.63
- 74.178.240.61
- 52.123.129.14
- 135.233.95.80
- 203.26.79.13
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report