MALICIOUS — 2526226.pdf

MALICIOUS — 2526226.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100). 5 of 50 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: e984975b89649fcb83ea3ce8d7fe23b885af6c74e7d7a07c2cf25ace6466423a
• SHA-1: 37278ad67a784930b8dc73bd3deac61894b98335
• MD5: 42e1acfa81f07237c77f23270a2d94aa
• ssdeep: 1536:OxjF30JtRzs3dOLD4PERkJd+zuXc0P8VKabgxJceBI4QB0:1tRzs3dAD4Sk/eKabgIeBI49
• TLSH: T10638D0F31147ECCCB78F97536ABB281D654EE6C871368AA05488B62CD57C27D6E10E01
• Submitted as: 2526226.pdf
• File type: pdf · Size: 76726 bytes
• Verdict: malicious (96/100)

Detections (5 of 50 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• ClamAV (daily): Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Emsisoft (Emergency Kit): PDF.Spam.Heur.1
• Trellix Stinger (McAfee): PDF/Phish-FAB!42E1ACFA81F0
• 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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 (rule Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0) - engine signal, weight 0.90, confidence 0.95
• Embedded link rated malicious by URL analysis: https://static.s123-cdn-static.com/uploads/4463807/normal_5ff420cfa9806.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: https://trafffe.ru/wb?keyword=bluffton%20university%20admissions%20address, https://site-1177243.mozfiles.com/files/1177243/degoo_100gb_free_cloud_storage.pdf, https://site-1173660.mozfiles.com/files/1173660/lefetixemavas.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://trafffe.ru/wb?keyword=bluffton%20university%20admissions%20address
• https://site-1177243.mozfiles.com/files/1177243/degoo_100gb_free_cloud_storage.pdf
• https://site-1173660.mozfiles.com/files/1173660/lefetixemavas.pdf
• https://cdn.sqhk.co/poladejug/jhfxhiB/vosolatedavivelonaj.pdf
• https://site-1171990.mozfiles.com/files/1171990/android_auto_2__9_apps.pdf
• https://s3.amazonaws.com/webipejonavuv/2019_spring_snow_goose_migration_report.pdf
• https://cdn-cms.f-static.net/uploads/4406776/normal_5f99f3e098852.pdf
• https://s3.amazonaws.com/sinamozagemoger/zanaji.pdf
• https://site-1083679.mozfiles.com/files/1083679/zerolu.pdf
• https://s3.amazonaws.com/xukanomarexumu/zotepokusajesavipotebek.pdf
• https://site-1168250.mozfiles.com/files/1168250/42889154896.pdf
• https://static.s123-cdn-static.com/uploads/4463807/normal_5ff420cfa9806.pdf
• https://cdn-cms.f-static.net/uploads/4391008/normal_5fafbec2c931a.pdf
• https://s3.amazonaws.com/gazivemon/springboot_jasperreport_integration_github.pdf
• https://static.s123-cdn-static.com/uploads/4468531/normal_5fc66c3411a5c.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/

Embedded domains

• trafffe.ru
• site-1177243.mozfiles.com
• site-1173660.mozfiles.com
• cdn.sqhk.co
• site-1171990.mozfiles.com
• s3.amazonaws.com
• cdn-cms.f-static.net
• site-1083679.mozfiles.com
• site-1168250.mozfiles.com
• static.s123-cdn-static.com
• www.w3.org
• purl.org
• ns.adobe.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report