MALICIOUS — 1496faeaea6d4907deb675ecd7cac0acf124dbe9117939c0435c614950b28629

MALICIOUS — 1496faeaea6d4907deb675ecd7cac0acf124dbe9117939c0435c614950b28629 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100). 5 of 54 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: 1496faeaea6d4907deb675ecd7cac0acf124dbe9117939c0435c614950b28629
• SHA-1: e5f19d48b9378bf962137c71de95ef35f844a34a
• MD5: e974db70e5829c7e7673d3ce11eb2672
• ssdeep: 1536:vHsx9ZnF93LPBYvXry9nm7J9VVpzMSoj0NOhewDEFIOYo4pIBe:O9F7Pyvu9n4reSoj04CYppH
• TLSH: T15938D1F3604BCC5C7E8BAB83A6A3529C5045E6C42577A3A061C4F6AC84BC6FC7F54512
• Submitted as: 1496faeaea6d4907deb675ecd7cac0acf124dbe9117939c0435c614950b28629
• File type: pdf · Size: 81027 bytes
• Verdict: malicious (100/100)

Detections (5 of 54 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!E974DB70E582
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

• T1105
• T1566.002

Why this verdict

The malicious score of 100/100 is the fusion of 12 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: http://aircond.md/upload_fck/file/sonimomujafumet.pdf - network signal, weight 0.70, confidence 0.80
• 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!E974DB70E582 (rule PDF/Phish-FAB!E974DB70E582) - engine signal, weight 0.55, confidence 0.85
• Kaspersky (KVRT) flagged HEUR:Hoax.PDF.Phish.gen (rule HEUR:Hoax.PDF.Phish.gen) - engine signal, weight 0.55, confidence 0.85
• MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-blob (rule high-entropy-blob) - engine signal, weight 0.35, confidence 0.70
• Embedded network infrastructure: https://laborke.ru/uplcv?utm_term=20th+century+questions+and+answers, https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/f2b4a1d2a02d38d09e96854b55e629cd/jugagifejo.pdf, http://internationalnetworksolutions.net/files/ - 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
• Contacted 14 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
• Extracted generic config (15 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
• Memory forensics: 3 finding(s) elsewhere in the guest, not attributed to this sample, e.g. RWX/private injected region in Acrobat.exe (pid 8708) (rule windows.malfind.Malfind) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

967 behavior events · 0 ATT&CK techniques · 1 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• ntp.ubuntu.com
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl
• 23.40.52.209
• 20.190.142.165
• 23.11.37.157
• 172.66.2.5 US · San Francisco · AS13335 Cloudflare, Inc.
• 52.123.252.231 AU · Sydney · AS8075 Microsoft Corporation
• 4.144.132.114 SG · Singapore · AS8075 Microsoft Corporation
• 52.110.12.37 AU · Sydney · AS8075 Microsoft Corporation
• 52.110.12.2 AU · Sydney · AS8075 Microsoft Corporation
• 4.230.171.124 KR · Seoul · AS8075 Microsoft Corporation
• 23.33.238.173
• 135.233.95.135 US · Des Moines · AS8075 Microsoft Limited
• 74.178.76.128 IE · Dublin · AS8075 Microsoft Corporation

Dropped files

• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• https://laborke.ru/uplcv?utm_term=20th+century+questions+and+answers
• https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/f2b4a1d2a02d38d09e96854b55e629cd/jugagifejo.pdf
• http://internationalnetworksolutions.net/files/
• http://aircond.md/upload_fck/file/sonimomujafumet.pdf
• https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c1147df972---26187695147.pdf
• http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab5c6984871---fadutajupopexuzazegu.pdf
• http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d51589e777---nejuvetamediwiraroreg.pdf
• https://actor-conseil.com/files/file/5033633098.pdf
• https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/qp58s52178bka6mm206l9vrdlf/7544517901.pdf
• https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/733093a7dff39a13266de047048c4fc5/70361822710.pdf
• http://mobydick-band.de/fckdata/file/69840728387.pdf
• http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e44e25151d---21968608786.pdf
• https://deniz-sogutma.org/img/userfiles/file/dofupivovijosokulino.pdf
• http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084a0a1c4d8b---zewarolatagabagovaza.pdf
• http://naturallabs.de/userfiles/file/punakile.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://rb.symcb.com/rb.crl

Embedded domains

• laborke.ru
• adm.allianceflooring.net
• internationalnetworksolutions.net
• www.temsilcisitesi.com
• www.investing-in-women.com
• www.stratcareerservices.com
• actor-conseil.com
• www.sadcmedia.com
• infravoip.com
• mobydick-band.de
• gingerwooddesign.com
• deniz-sogutma.org
• inlikeflintlogistics.com
• naturallabs.de
• www.w3.org
• purl.org
• ns.adobe.com
• aircond.md

Embedded IP addresses

• 20.42.73.25
• 4.150.223.105
• 40.84.97.4
• 172.66.2.5
• 52.123.252.231
• 4.144.132.114
• 52.110.12.37
• 52.110.12.2
• 4.230.171.124
• 135.233.95.135
• 74.178.76.128
• 57.155.101.212
• 13.89.179.12
• 72.145.35.109

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report