MALICIOUS — 4bb103_51c7b0181d5f4c9fa57557b6464cd809.pdf

MALICIOUS — 4bb103_51c7b0181d5f4c9fa57557b6464cd809.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100). 5 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 5945460eb2ad495d76c6d17f9936912ae6a7520bd2ab59c18d59e1277a159348
• SHA-1: 1f155f59979db5cf58cee7768bd0bc386946b976
• MD5: 42d2085fe2fe79a1ddb3be7924ef9572
• ssdeep: 3072:SyMlwN0ix1h8CX9+0mgjuednpLhIJmUpIoG7unbQZNZjw5yq:/MlA0y1fXLdt/0mUuoBbnz
• TLSH: T1033DF1F3219BDD5C36C6AB876A964178684567DD323A9B80A8C0357DD73C2EE6C006F0
• Submitted as: 4bb103_51c7b0181d5f4c9fa57557b6464cd809.pdf
• File type: pdf · Size: 131632 bytes
• Verdict: malicious (96/100)

Detections (5 of 53 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• ClamAV (daily): Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Microsoft Defender: flagged
• Emsisoft (Emergency Kit): PDF.Spam.Heur.1
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

• T1566.002

Why this verdict

The malicious score of 96/100 is the fusion of 5 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
• Embedded link rated malicious by URL analysis: https://uploads.strikinglycdn.com/files/de646736-177a-4d4a-bfac-eff5f5027311/bofigexitegafakoviw.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: https://mezovuduw.ru/wix?keyword=post+classical+era+changes+and+continuities, http://new-volosi.ru/wd_my_passport_wireless_ssd_vs_projebap.pdf, http://uscreditmonitoring.info/ite_checkpoint_exam_answers_20178ufg2.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

Dynamic analysis

No runtime behaviour was captured for this sample, so the analysis above is static only. That is a limit of this run rather than evidence the sample does nothing.

Embedded URLs

• https://mezovuduw.ru/wix?keyword=post+classical+era+changes+and+continuities
• http://new-volosi.ru/wd_my_passport_wireless_ssd_vs_projebap.pdf
• http://uscreditmonitoring.info/ite_checkpoint_exam_answers_20178ufg2.pdf
• https://uploads.strikinglycdn.com/files/de646736-177a-4d4a-bfac-eff5f5027311/bofigexitegafakoviw.pdf
• https://9534cc33-30dc-483d-bed2-8d5691710d48.filesusr.com/ugd/3835dd_5be47bde0b4a4c19a9a86b476b00135e.pdf?index=true
• http://businessoutsourcing.info/rosapivelext8x6a.pdf
• http://walapapu.iblogger.org/55201358569.pdf
• http://nemevefer.rf.gd/bottom_navigation_click_listener_android_kotlin.pdf
• https://s3.amazonaws.com/regovadeje/chelsea_vs_tottenham_carabao_cup_highlights.pdf
• https://4465b75e-e642-4f53-8c89-e22f0b9d4994.filesusr.com/ugd/ecd213_dbde07d9ee41458cb24f75cf0f2c534e.pdf?index=true
• http://submonster.xyz/gilipikazufidevujhrx3u.pdf
• https://uploads.strikinglycdn.com/files/f4cf8c33-be08-40d1-8e3f-f48837de11e8/91980288878.pdf
• https://0feddc0e-03bc-46a3-a741-45303deff239.filesusr.com/ugd/6ea6a2_2a3eb1d58b6a41a5bd8b79ff44add981.pdf?index=true
• https://s3.amazonaws.com/zurovajij/kazopukewuwuleparar.pdf
• http://meetchambre.xyz/frys_first_100_sight_words_powerpointjan0s.pdf
• https://s3.amazonaws.com/penale/second_world_war_timeline.pdf
• http://creditactive.info/tonupereuswdt.pdf
• http://gelchlen.fun/villagers_and_heroes_android_gameplay0t6yb.pdf
• http://navorusisuwo.rf.gd/sufeluveja.pdf
• http://bejuzoz.iblogger.org/tp-link_wpa4220_wifi_powerline_adapter_kit_-_av600_twin_pack_review.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/

Embedded domains

• mezovuduw.ru
• new-volosi.ru
• uscreditmonitoring.info
• uploads.strikinglycdn.com
• 9534cc33-30dc-483d-bed2-8d5691710d48.filesusr.com
• businessoutsourcing.info
• walapapu.iblogger.org
• s3.amazonaws.com
• 4465b75e-e642-4f53-8c89-e22f0b9d4994.filesusr.com
• submonster.xyz
• 0feddc0e-03bc-46a3-a741-45303deff239.filesusr.com
• meetchambre.xyz
• creditactive.info
• gelchlen.fun
• bejuzoz.iblogger.org
• www.w3.org
• purl.org
• ns.adobe.com
• nemevefer.rf.gd
• navorusisuwo.rf.gd

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report