MALICIOUS — normal_5fcf43f3204a6.pdf
MALICIOUS — normal_5fcf43f3204a6.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:
e35fd3299f0482cb063711cb397080ce9193f3134e1a5a4397047c01ffd6460d - SHA-1:
6261206416d0c0c914621aa5dc5bde1128fe5084 - MD5:
2fc288ab49c18e2e5ae3d9541006cb36 - ssdeep:
1536:uHBjJKnKbV9tdAwB8M3z6f+8xFBahmX5ISgX0U8qAyUeiJY/hpKe:IB8nMDdfpgBta0X5hqAyzikt - TLSH:
T17B37D0F3B187EC4D76C66B637DA115ADA88CDA4C7533DB604044B72CC8B8AAD2D50B41 - Submitted as: normal_5fcf43f3204a6.pdf
- File type: pdf · Size: 74396 bytes
- Verdict: malicious (98/100)
Detections (4 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- ClamAV (daily): Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
- 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-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/4489733/normal_5fcd8a5b23351.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 14 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://trafffe.ru/123?utm_term=ashley+furniture+warranty+reddit, https://cdn-cms.f-static.net/uploads/4421050/normal_5f96e7acd93a3.pdf, https://uploads.strikinglycdn.com/files/a1926bf2-eebd-4bb8-b362-26fcd8115d76/vavalujukezorebegijok.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 (13 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9898 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
- 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
- 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
- 252.0.0.224.in-addr.arpa
- ntp.ubuntu.com
- 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
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\c1f5643d41becf6715c2f60af796650c.png -
dbf55183d94e71522e8fcd7c9bff3997d89fc4d2d221ffbe8987cd8994767175 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
08f2ca48cd0eff82c8ca58eba0bc560ba8c4f0079f2782751f9f23427349aa87 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://trafffe.ru/123?utm_term=ashley+furniture+warranty+reddit
- https://cdn-cms.f-static.net/uploads/4421050/normal_5f96e7acd93a3.pdf
- https://uploads.strikinglycdn.com/files/a1926bf2-eebd-4bb8-b362-26fcd8115d76/vavalujukezorebegijok.pdf
- https://static1.squarespace.com/static/5fc36b9bcd1e280355e43c7b/t/5fc54c5be6d49a06bb41f6b2/1606765662216/geometry_booklet_project.pdf
- https://cdn-cms.f-static.net/uploads/4380691/normal_5f8eff675872f.pdf
- https://cdn-cms.f-static.net/uploads/4393762/normal_5f8ecec9924b5.pdf
- https://uploads.strikinglycdn.com/files/2d069be5-efc7-4828-8ce6-2b084874c28a/mepizuzo.pdf
- https://static1.squarespace.com/static/5fc6473b9955c744b55ff7ef/t/5fcee72c24ae147ef3cfb2f5/1607395117396/67882703556.pdf
- https://uploads.strikinglycdn.com/files/c85d804f-a4d7-44b3-9e27-842ccbd35a48/kegumewadugikora.pdf
- https://static.s123-cdn-static.com/uploads/4489733/normal_5fcd8a5b23351.pdf
- https://uploads.strikinglycdn.com/files/23cbc387-c020-4308-9efa-6f75a2f04213/jojikukitole.pdf
- https://cdn-cms.f-static.net/uploads/4423728/normal_5fa9cb8a5258c.pdf
- https://cdn-cms.f-static.net/uploads/4385207/normal_5f9c1891e469c.pdf
- https://cdn-cms.f-static.net/uploads/4383445/normal_5f8fe19b5c9c7.pdf
- https://cdn-cms.f-static.net/uploads/4422135/normal_5f9ac3bde5ac1.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
Embedded domains
- trafffe.ru
- cdn-cms.f-static.net
- uploads.strikinglycdn.com
- static1.squarespace.com
- static.s123-cdn-static.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 57.155.104.224
- 172.172.255.217
- 92.223.78.30
- 162.159.142.9
- 52.110.12.26
- 4.144.132.223
- 4.230.171.124
- 4.150.223.103
- 20.112.250.133
- 74.179.77.204
- 74.178.76.44
- 203.26.79.13
- 52.168.117.170
- 52.148.114.188
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report