MALICIOUS — aef5b7_57859f4f9c774b62babd97fe9b39382b.pdf
MALICIOUS — aef5b7_57859f4f9c774b62babd97fe9b39382b.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (92/100). 3 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
b76aed9b3911a894b21220722c0ec0f86a08bf894ab2c9f06a908c278f921c17 - SHA-1:
0b269ba01583648ce7df4868e64952193a37cb12 - MD5:
0ae5d050f44113117e7ec92a6e1e57c8 - ssdeep:
768:IgGzpD1cna3Fj5iFG0M2cm/rPrJYn7Ze6kJlEKNvxYjrYID6WXHQvI8Z6c:FGFJDQenFedJlEupYvYY6WXH58Z6c - TLSH:
T17932BFF350DBED8C3E8A9B0369B704165048DA8DB073A760999C3B6CD0BC6BCBD11921 - Submitted as: aef5b7_57859f4f9c774b62babd97fe9b39382b.pdf
- File type: pdf · Size: 44171 bytes
- Verdict: malicious (92/100)
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 92/100 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 - Contacted 10 external host(s) and 2 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
- 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=other+evidence+for+evolution+worksheet+answers, https://f7929993-41b0-42b0-8815-d173f37be073.filesusr.com/ugd/5bb01c_1be27fe50d6b4c11be90583d6c27061b.pdf?index=true, https://a95259a5-6271-4b1b-abb2-a2a40ff40146.filesusr.com/ugd/3bf302_a6800e83148e4b8ca867d0807f88e560.pdf?index=true - 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 (5 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
1004 behavior events · 0 ATT&CK techniques · 1 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- teams.cloud.microsoft
- inference.location.live.net
- c.pki.goog
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- x2.c.lencr.org
- ye.c.lencr.org
- ntp.ubuntu.com
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://c.pki.goog/r/r1.crl
- http://x2.c.lencr.org/
- http://ye.c.lencr.org/
- 23.40.52.209
- 23.11.37.157
- 192.168.122.107
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ttraff.ru/wix?keyword=other+evidence+for+evolution+worksheet+answers
- https://f7929993-41b0-42b0-8815-d173f37be073.filesusr.com/ugd/5bb01c_1be27fe50d6b4c11be90583d6c27061b.pdf?index=true
- https://a95259a5-6271-4b1b-abb2-a2a40ff40146.filesusr.com/ugd/3bf302_a6800e83148e4b8ca867d0807f88e560.pdf?index=true
- https://8862c8fd-ba80-4b52-afe5-af47ed5c5083.filesusr.com/ugd/3f2390_47c1bdb404034be5a7f4afdee7008b65.pdf?index=true
- https://b1b59996-6109-44fe-8a83-3961ecbe3ed4.filesusr.com/ugd/7f614e_302201e673d14d72922344efb6da6eb4.pdf?index=true
- https://cdn.shopify.com/s/files/1/0462/7087/3757/files/kvs_biodata_form_for_interview_2019.pdf
- https://cdn.shopify.com/s/files/1/0434/6091/9462/files/fomiwinafomep.pdf
- https://cdn.shopify.com/s/files/1/0469/9625/8968/files/sovulelevawizetaxe.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wakorijupomimenupe.pdf
- https://cdn.shopify.com/s/files/1/0428/2161/5775/files/55373624972.pdf
- https://cdn.shopify.com/s/files/1/0430/6078/9409/files/77225418342.pdf
- https://cdn.shopify.com/s/files/1/0431/2409/7191/files/sakof.pdf
- https://cdn.shopify.com/s/files/1/0433/4570/7166/files/63466543295.pdf
- https://cdn.shopify.com/s/files/1/0436/8846/0441/files/fullmetal_alchemist_conqueror_of_shamballa.pdf
- https://cdn.shopify.com/s/files/1/0453/8610/5000/files/autocad_2010_free_trial.pdf
- https://cdn.shopify.com/s/files/1/0431/0210/9856/files/xasoxujivuwoxatelupijovu.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://c.pki.goog/r/r1.crl
Embedded domains
- ttraff.ru
- f7929993-41b0-42b0-8815-d173f37be073.filesusr.com
- a95259a5-6271-4b1b-abb2-a2a40ff40146.filesusr.com
- 8862c8fd-ba80-4b52-afe5-af47ed5c5083.filesusr.com
- b1b59996-6109-44fe-8a83-3961ecbe3ed4.filesusr.com
- cdn.shopify.com
- www.w3.org
- purl.org
- ns.adobe.com
- x2.c.lencr.org
- ye.c.lencr.org
Embedded IP addresses
- 52.123.129.14
- 135.233.95.144
- 72.145.35.107
- 20.50.201.204
- 40.99.133.226
- 40.103.64.226
- 20.165.94.63
- 162.159.36.2
- 203.26.79.13
- 4.230.171.124
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report