MALICIOUS — normal_5fc4cc9cd6297.pdf
MALICIOUS — normal_5fc4cc9cd6297.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 4 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
179bf98b022d007c3dbcf745136fbafbcf17b9751d2d2bc057a2d66bf3ef4287 - SHA-1:
2e1d72bb9f790bef55dd6af7d4adc67077e0f273 - MD5:
a89914d71de9361a416a8a73d9fae3a9 - ssdeep:
1536:Ql9JPzLC/afUvnGWkRPDl/Z+h4Wwwh8rWYU19jD3TWlqSrxQM8:2he/vGWkrtWwW8Sx9X3TGrr6 - TLSH:
T1A637D0F37087ED8CAA9B37436DB905A96005D34861329BA145C4BA6DC8B81BDBF25E10 - Submitted as: normal_5fc4cc9cd6297.pdf
- File type: pdf · Size: 74673 bytes
- Verdict: malicious (98/100)
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
Why this verdict
The malicious score of 98/100 is the fusion of 7 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/1d599f1d-339e-4abc-987f-fd3b76b28089/firefox_for_pc.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 12 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://traffine.ru/123?utm_term=executor+letter+to+beneficiaries+sample, https://uploads.strikinglycdn.com/files/1d599f1d-339e-4abc-987f-fd3b76b28089/firefox_for_pc.pdf, https://uploads.strikinglycdn.com/files/53d0ec4d-97eb-4ee6-b943-d67225bb4351/69718487666.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
- Extracted generic config (6 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9767 behavior events · 0 ATT&CK techniques · 3 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
- 250.255.255.239.in-addr.arpa
- desktop-hsgcbep
- 2.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- ntp.ubuntu.com
- 252.0.0.224.in-addr.arpa
- 3.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- 255.255.254.169.in-addr.arpa
- 79.243.254.169.in-addr.arpa
- http://www.msftconnecttest.com/connecttest.txt
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\21e601cba244427ebb7ee1170701e5d6.png -
64971cdcaf3b1717d59d2951b6ea979b23dfbc07524914a987fe44336eb840be - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
a043b3df495e943a8037a1b5c136840c93ba0d48f7efa31131187bdc39fb1cc7 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://traffine.ru/123?utm_term=executor+letter+to+beneficiaries+sample
- https://s3.amazonaws.com/taturi/ankheg_5e_size.pdf
- https://uploads.strikinglycdn.com/files/1d599f1d-339e-4abc-987f-fd3b76b28089/firefox_for_pc.pdf
- https://s3.amazonaws.com/baposivarabuj/xurunoluniwuxepukobividuj.pdf
- https://s3.amazonaws.com/wizuluworafid/brother_of_the_year_indoxxi.pdf
- https://uploads.strikinglycdn.com/files/53d0ec4d-97eb-4ee6-b943-d67225bb4351/69718487666.pdf
- https://uploads.strikinglycdn.com/files/025a3d8a-54b1-4d99-a40a-45d43f90e822/36740606653.pdf
- https://s3.amazonaws.com/baxadelefofibuz/ccna_security_chapter_4_answers.pdf
- https://cdn-cms.f-static.net/uploads/4418981/normal_5f967a43a5dfd.pdf
- https://s3.amazonaws.com/roxawo/nejat.pdf
- https://dupizonax.weebly.com/uploads/1/3/1/3/131380343/7467709.pdf
- https://uploads.strikinglycdn.com/files/bb088648-e331-4545-a17e-610c5b820fca/likewelujibosok.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
- http://203.26.79.13/filestreamingservice//files/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787736365&P2=404&P3=2&P4=SGfJ6UW6Beg01pvwrRk9ibDQqDcqrnA2bQEU1tl6cBZzkwNPPOLMwGsNAg%2bCd3wdaQcboqMxCZu64KERYoyg8g%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787736445&P2=404&P3=2&P4=XEtvJPA1LcHENa04mX3YmdN5a3lej7ok82x0Rcs98tFynJorDIpPqksV6wwNV4QFkXqe3MyB1V7GmFHR9bujMA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- traffine.ru
- s3.amazonaws.com
- uploads.strikinglycdn.com
- cdn-cms.f-static.net
- dupizonax.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 20.42.65.84
- 20.247.184.197
- 52.110.12.42
- 4.230.171.124
- 74.179.77.204
- 104.46.162.231
- 20.76.201.171
- 52.123.128.14
- 72.145.35.109
- 203.26.79.13
- 52.123.252.215
- 4.150.223.111
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report