MALICIOUS — pejepiru.pdf
MALICIOUS — pejepiru.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (72/100). 2 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
aca96e482dcc3a3216f7b669f663f7aecc59b1ce79d65c6517e6421ab11d6ec3 - SHA-1:
ccfbf2d6e080ca760b732efe0fee3f4f82aaa0c6 - MD5:
84c968b835f86a37911a9fc97b3f5767 - ssdeep:
768:CgGzpDXe8BB/AHVPOUcGKdOreqLJ2IEswqBaD6U3ul3hrUNw2:fGF7em/AHVPxc1MrjVEfqBaF+vrqw2 - TLSH:
T18633BFF3505BDD4C76CAAB47ADF61068254ACB8D71329AB404D8773DC4BC2BC6E04A21 - Submitted as: pejepiru.pdf
- File type: pdf · Size: 52218 bytes
- Verdict: malicious (72/100)
Detections (2 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
MITRE ATT&CK
Why this verdict
The malicious score of 72/100 is the fusion of 6 weighted signals:
- Contacted 17 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/7cee1981-ed3a-4323-bfa7-704791f05980/nurofugubupuzile.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://gettraff.ru/strik?keyword=monthly+or+quarterly+report+pdf, https://uploads.strikinglycdn.com/files/7cee1981-ed3a-4323-bfa7-704791f05980/nurofugubupuzile.pdf, https://uploads.strikinglycdn.com/files/d48870fe-9dab-465b-bc76-b30161db90bf/zusesinawixupewigag.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 (12 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9702 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
- c.pki.goog
- ntp.ubuntu.com
- 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
- 252.0.0.224.in-addr.arpa
- 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
- desktop-hsgcbep._dosvc._tcp.local
- desktop-hsgcbep
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\b4f6e31401d6f4dc37086d7a6c958fb3.png -
ac3649033fb5a591e3af97e0d1938932c53ae2f627e550c1b3f545105de95968 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
81e4cf8da2bf3d20fe55664994ae818690f9476b13caeeb71a00d113ab4aa2ab - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/strik?keyword=monthly+or+quarterly+report+pdf
- https://uploads.strikinglycdn.com/files/7cee1981-ed3a-4323-bfa7-704791f05980/nurofugubupuzile.pdf
- https://uploads.strikinglycdn.com/files/d48870fe-9dab-465b-bc76-b30161db90bf/zusesinawixupewigag.pdf
- https://uploads.strikinglycdn.com/files/c1f94722-6ad6-4371-9cf5-f17dd0c90a4e/37451567514.pdf
- https://uploads.strikinglycdn.com/files/04f64cba-2d0b-417c-bdbc-9b117ef6af49/43145139741.pdf
- https://site-1039861.mozfiles.com/files/1039861/86624506390.pdf
- https://site-1036696.mozfiles.com/files/1036696/vagudoximoja.pdf
- https://uploads.strikinglycdn.com/files/9b7b5b29-2f65-440a-ab08-56b53ed15cc6/756111241.pdf
- https://uploads.strikinglycdn.com/files/fa80f55b-3ae4-451e-801e-54851e8b2c97/64078166223.pdf
- https://site-1038815.mozfiles.com/files/1038815/dezifalazew.pdf
- https://site-1036781.mozfiles.com/files/1036781/nafikegosaverovowisazinug.pdf
- https://site-1042880.mozfiles.com/files/1042880/daseteru.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=1787737949&P2=404&P3=2&P4=gApO6Ovy5QgXtfnjpKFUkwtLk9BWJGNuBvvLriduVDEdPr1QMlPs8B3L%2bypZst%2boRH%2fpgaXCtu8KlXDRYdl4%2fA%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=1787737972&P2=404&P3=2&P4=FNjOsrVqyJ7XVAW%2bJWK1BxxA%2fVUSZwJ4TnKEndi%2bhywOyJM30PhTqTYpYJxYQ4SCjtU1%2foFLM4Uz1SVtlqaW6w%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- gettraff.ru
- uploads.strikinglycdn.com
- site-1039861.mozfiles.com
- site-1036696.mozfiles.com
- site-1038815.mozfiles.com
- site-1036781.mozfiles.com
- site-1042880.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 135.232.92.34
- 20.184.175.19
- 20.42.73.27
- 72.153.5.130
- 52.123.252.229
- 74.178.240.61
- 85.210.196.11
- 4.230.171.124
- 20.231.239.246
- 20.247.184.197
- 52.123.128.14
- 92.223.78.30
- 203.26.79.13
- 142.250.207.3
- 135.234.160.244
- 48.192.143.121
- 4.247.188.224
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report