MALICIOUS — 54048265867.pdf
MALICIOUS — 54048265867.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (82/100). 2 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
a40d2bc7a682fee238399ec7d8db4c3d7b30e6779de41ecf35654570390ffed3 - SHA-1:
2de8eb2b75dc2c38795fdbd4fb5f0c1e8f406b6e - MD5:
8a4c45fb5595d6c03ba1e2486ad5dd44 - ssdeep:
768:ngGzpDWoLXDxA2tzlexKI641DVwSMmGxFoBMMSMRudrn6pvsu:gGFyGXNlext6myKBMTwudrOvsu - TLSH:
T18033AEF35297EC4CBB8B6B176EE501596188C7486232D66044C93B7CD4B8BFD3E20962 - Submitted as: 54048265867.pdf
- File type: pdf · Size: 50260 bytes
- Verdict: malicious (82/100)
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 82/100 is the fusion of 6 weighted signals:
- Memory forensics: 3 finding(s), e.g. RWX/private injected region in SumatraPDF.exe (pid 8500) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - Contacted 14 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://gettraff.ru/strik?keyword=draw+and+label+the+cell+cycle, https://cdn.shopify.com/s/files/1/0484/7606/1850/files/ap_worksheet_01f_answers.pdf, https://cdn.shopify.com/s/files/1/0429/9869/4042/files/26824303753.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 (9 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9777 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
- 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
- desktop-hsgcbep._dosvc._tcp.local
- ntp.ubuntu.com
- _dosvc._tcp.local
- desktop-hsgcbep
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\2372f59b0a09679084012b1890c662d3.png -
1723bac836e1ebe856a62a16076ee784d2a69a04a812738bf55ff2757a3581d4 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
6c481d2af8b8b544636563c7c7c770b5752884655118065c78042c45ca4f0bd9 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/strik?keyword=draw+and+label+the+cell+cycle
- https://cdn.shopify.com/s/files/1/0484/7606/1850/files/ap_worksheet_01f_answers.pdf
- https://cdn.shopify.com/s/files/1/0429/9869/4042/files/26824303753.pdf
- https://cdn.shopify.com/s/files/1/0429/2077/1750/files/prebles_artforms_11th_edition_online.pdf
- https://cdn.shopify.com/s/files/1/0438/5882/1285/files/23115482966.pdf
- https://cdn.shopify.com/s/files/1/0481/3396/3943/files/prosecutor_misconduct_criminal_mn.pdf
- https://site-1042444.mozfiles.com/files/1042444/fimikezolokaloj.pdf
- https://site-1037920.mozfiles.com/files/1037920/56501382810.pdf
- https://site-1037142.mozfiles.com/files/1037142/8685743401.pdf
- https://site-1036973.mozfiles.com/files/1036973/vogewofilokovifugijokavi.pdf
- https://site-1037884.mozfiles.com/files/1037884/pikilodegikamikubusuzuw.pdf
- https://site-1036742.mozfiles.com/files/1036742/45577377911.pdf
- https://site-1036627.mozfiles.com/files/1036627/47857265550.pdf
- https://site-1043970.mozfiles.com/files/1043970/17598550076.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=1787748509&P2=404&P3=2&P4=lSEdDEwu5tMxAV4MsIbcGbmCqnkgpZoahLD4ffVliZE7h4Myh7lI83DsQveWiTmgpWTI02%2fEeG%2fmKSronLv8Hw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- gettraff.ru
- cdn.shopify.com
- site-1042444.mozfiles.com
- site-1037920.mozfiles.com
- site-1037142.mozfiles.com
- site-1036973.mozfiles.com
- site-1037884.mozfiles.com
- site-1036742.mozfiles.com
- site-1036627.mozfiles.com
- site-1043970.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.172.255.216
- 4.247.188.224
- 135.232.92.34
- 52.123.252.224
- 52.110.12.49
- 4.230.171.124
- 4.247.188.233
- 74.178.76.128
- 92.223.78.30
- 52.123.128.14
- 203.26.79.13
- 13.69.116.105
- 172.178.240.163
- 52.148.114.188
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report