MALICIOUS — 8590845.pdf

MALICIOUS — 8590845.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (94/100). 4 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 79434e9750e623b3585bf9f6a20ccd9e06b1ac4812c6fb33d95fe1be80dab6b6
• SHA-1: 53852cbd55a00ed3d4cce8add1ca1b9d70ca4d7e
• MD5: 6dee8a5d14cb1f269d78ca99a7f818a3
• ssdeep: 1536:QSeW6/gL6IeEqb1tO59aKFsZkIooQlwptJWVYYxHLgDh/5VlQ/:Q42IX8O59abooQlwp6VbxHLeh/W/
• TLSH: T1AA36D0F3729BEE4D2A86AB13BCF61568B149D7C421229BA080D57A6CC4383FD7D10E51
• Submitted as: 8590845.pdf
• File type: pdf · Size: 67629 bytes
• Verdict: malicious (94/100)

Detections (4 of 53 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• ClamAV (daily): Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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 94/100 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 suspicious by URL analysis: https://nukuzalidoredul.weebly.com/uploads/1/3/4/7/134768970/4349549.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: https://cctraff.ru/wb?keyword=hormones%20secreted%20by%20the%20hypothalamus%20answers.%20com, https://nukuzalidoredul.weebly.com/uploads/1/3/4/7/134768970/4349549.pdf, https://static1.squarespace.com/static/5fc1023fc14dfd36fef2122d/t/5fd0312d5ec17a4c6689095b/1607479597730/f1_2021_ps5.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://cctraff.ru/wb?keyword=hormones%20secreted%20by%20the%20hypothalamus%20answers.%20com
• https://nukuzalidoredul.weebly.com/uploads/1/3/4/7/134768970/4349549.pdf
• https://static1.squarespace.com/static/5fc1023fc14dfd36fef2122d/t/5fd0312d5ec17a4c6689095b/1607479597730/f1_2021_ps5.pdf
• https://cdn-cms.f-static.net/uploads/4367303/normal_5f8d0fe3e1125.pdf
• https://static1.squarespace.com/static/5fc13d8c1c8c741314341b72/t/5fcf3c27505b451de1889770/1607416876344/jak_grac_w_super_farmer_the_card_game.pdf
• https://cdn-cms.f-static.net/uploads/4464871/normal_5fb5d425ab3ed.pdf
• https://s3.amazonaws.com/wipotegadodorek/korean_hoobae_meaning.pdf
• https://s3.amazonaws.com/gozilum/46663160788.pdf
• https://uploads.strikinglycdn.com/files/b9e20f94-416b-4b8f-8cdb-7d1006cf56ab/xafujunij.pdf
• https://cdn-cms.f-static.net/uploads/4388162/normal_5fc303ab9cda4.pdf
• https://cdn-cms.f-static.net/uploads/4369327/normal_5f924c652d1cc.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

• cctraff.ru
• nukuzalidoredul.weebly.com
• static1.squarespace.com
• cdn-cms.f-static.net
• s3.amazonaws.com
• uploads.strikinglycdn.com
• www.w3.org
• purl.org
• ns.adobe.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report