MALICIOUS — 5de1df_73ea8e6e1e6b4ef2b364a09b81330e99.pdf

MALICIOUS — 5de1df_73ea8e6e1e6b4ef2b364a09b81330e99.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100). 5 of 50 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: 9fe575069e4d2c3c6179a2196c62f6528cc1b6f26d6d693d341dc035670757bf
• SHA-1: 4889e14fea80d397b1811d3250ca3fa69bbdb791
• MD5: c1301c384f9868805f9bf11a801f3619
• ssdeep: 1536:Ub6gyrHHeiCDzmlItIAudxmKWHYU21Hbgxpkhhaw0DO5oYh:06gyr+fDypASxCHYR9cxuhhgq59
• TLSH: T1DE37D0F36167DECCBB8ABB53ADA6616C8055D789307297B04488376CC8786EE7D20811
• Submitted as: 5de1df_73ea8e6e1e6b4ef2b364a09b81330e99.pdf
• File type: pdf · Size: 71899 bytes
• Verdict: malicious (100/100)

Detections (5 of 50 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• ClamAV (daily): Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Emsisoft (Emergency Kit): PDF.Spam.Heur.1
• Trellix Stinger (McAfee): PDF/Phish-FAB!C1301C384F98
• Kaspersky (KVRT): HEUR:Trojan.Script.Generic

MITRE ATT&CK

• T1112
• T1105

Why this verdict

The malicious score of 100/100 is the fusion of 10 weighted signals:

• ClamAV (daily) flagged Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 (rule Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0) - engine signal, weight 0.90, confidence 0.95
• Dropped a malicious payload (Lazarus): root_.cache_dconf_user - dynamic signal, weight 0.80, confidence 0.90
• Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule PDF.Spam.Heur.1) - engine signal, weight 0.55, confidence 0.85
• Trellix Stinger (McAfee) flagged PDF/Phish-FAB!C1301C384F98 (rule PDF/Phish-FAB!C1301C384F98) - engine signal, weight 0.55, confidence 0.85
• Contacted 30 external host(s) at runtime (9 HTTP) - network signal, weight 0.40, confidence 0.80
• Embedded network infrastructure: https://baarspo.ru/wix?keyword=richland+county+probate+court+phone+number, http://gizugutopaf.epizy.com/20961531962.pdf, http://sixipuliximedi.epizy.com/rejodowagupe.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
• Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
• Extracted generic config (14 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

9797 behavior events · 1 ATT&CK techniques · 4 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
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl
• http://203.26.79.13/filestreamingservice//files/2cbcf400-ac8d-4d86-9d69-c7f0dff56d2e/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
• http://203.26.79.13/filestreamingservice/files/2cbcf400-ac8d-4d86-9d69-c7f0dff56d2e?P1=1787094552&P2=404&P3=2&P4=BJXRsdHPLgIe5ewEacWWBjGgYJZnhIXp7dfjII89y0tDBh4G96LtwtEzbyMrwTFjcbA6mLqlLANRHAUfCzdpvA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
• http://203.26.79.13/filestreamingservice//files/58b2a9b1-8570-476c-a7c2-f7ab0a20fbf9/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
• http://203.26.79.13/filestreamingservice/files/58b2a9b1-8570-476c-a7c2-f7ab0a20fbf9?P1=1787094567&P2=404&P3=2&P4=khnWqZhEb7MLCVQ0Zy2Cx5J7cAW1lIbN%2bLbU7S6YsLNeIwYyLRpzg1RVajGJ%2bpJ%2fM41xwYRLzJyNwfzXqftWPA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
• http://c.pki.goog/r/gsr1.crl
• http://c.pki.goog/r/r4.crl

Dropped files

• /opt/CAPEv2/storage/analyses/30797/files/d2e1677392fb739e6e1bd294ffaac02db69803772f5fc6bae39e7e821abc1dd3 - d2e1677392fb739e6e1bd294ffaac02db69803772f5fc6bae39e7e821abc1dd3
• /opt/CAPEv2/storage/analyses/30797/files/2a9987da22d865ff107e238fa8e5e5f324c35963cee5ef7ef51ee3f77718c787 - 2a9987da22d865ff107e238fa8e5e5f324c35963cee5ef7ef51ee3f77718c787
• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
• tmp_tmp.eZUV50Zje8 - b53c65b125b514252fa843aa88b81c40badc31de0ce33812b4e432783098c4df

Embedded URLs

• https://baarspo.ru/wix?keyword=richland+county+probate+court+phone+number
• https://s3.amazonaws.com/tikofaketonub/wavidurutot.pdf
• https://s3.amazonaws.com/lekezaru/android_vs_ios_privacy_and_security.pdf
• http://gizugutopaf.epizy.com/20961531962.pdf
• http://sixipuliximedi.epizy.com/rejodowagupe.pdf
• http://misugivunuzu.epizy.com/formic_aldehyde_formation.pdf
• http://tawatibajat.rf.gd/avenue_supermarts_ltd_annual_report_2015-_16.pdf
• http://pribor-poverka.site/bollywood_actress_photos1p1k.pdf
• http://keep-travel.com/what_devices_operate_at_osi_model_layer_2gcvsv.pdf
• http://avlto.best/the_sins_of_dorian_grayiysfg.pdf
• http://memubalejegezur.66ghz.com/preposition_worksheet_grade_1.pdf
• https://giwuvapelefawi.weebly.com/uploads/1/3/4/8/134869604/silusamusejav.pdf
• http://zerowedepuwetif.epizy.com/kogemituvevumituranumov.pdf
• http://renubinivudeti.epizy.com/lewukibi.pdf
• http://goxezidoge.22web.org/62621457428.pdf
• https://s3.amazonaws.com/bubisifapagefe/mokuvogojusinar.pdf
• http://penaleduduzib.iblogger.org/triple_bottom_line_reporting_framework.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

Embedded domains

• baarspo.ru
• s3.amazonaws.com
• gizugutopaf.epizy.com
• sixipuliximedi.epizy.com
• misugivunuzu.epizy.com
• pribor-poverka.site
• keep-travel.com
• memubalejegezur.66ghz.com
• giwuvapelefawi.weebly.com
• zerowedepuwetif.epizy.com
• renubinivudeti.epizy.com
• goxezidoge.22web.org
• penaleduduzib.iblogger.org
• www.w3.org
• purl.org
• ns.adobe.com
• tawatibajat.rf.gd
• avlto.best

Embedded IP addresses

• 52.230.60.54
• 52.123.252.241
• 57.155.101.212
• 4.230.171.124
• 74.178.76.128
• 74.179.77.164
• 74.178.240.61
• 52.123.129.14
• 72.153.5.130
• 203.26.79.13
• 52.123.252.193
• 74.178.232.29
• 142.250.207.3
• 13.89.179.15
• 20.184.175.14

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report