MALICIOUS — normal_5f8763ce8c784.pdf
MALICIOUS — normal_5f8763ce8c784.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (82/100). 3 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
2a504969b6c84508c7ead8810b54d61f040699db4fc28c8674c9d560901b2ea4 - SHA-1:
bfc207042f3dffb736a429204d3982d5aff6eda4 - MD5:
e2e14475a22f86db76b7eb7dfa614164 - ssdeep:
768:NgGzpDnpUCDFv7q9BlYYhcwudYazUCPgAIN53CoVhXuG61:uGFrpxICPgFN53C0hXuL1 - TLSH:
T11B308DF3049BFC4C7A876B136DFB14696189C74CA2329BA049C83A7CD17C6AD7E10861 - Submitted as: normal_5f8763ce8c784.pdf
- File type: pdf · Size: 37733 bytes
- Verdict: malicious (82/100)
Detections (3 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Kaspersky (KVRT): HEUR:Trojan.Script.Generic
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 8364) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - Contacted 21 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/123?keyword=download+gogo+live+mod+apk+ios, https://cdn.shopify.com/s/files/1/0497/5017/9993/files/jewelry_exchange_sudbury_phone_number.pdf, https://cdn.shopify.com/s/files/1/0498/8724/8538/files/january_2009_chemistry_regents_answer_key.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)
9636 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
- ntp.ubuntu.com
- 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
- 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
- 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
- desktop-hsgcbep._dosvc._tcp.local
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
c8e2399dbf08f611ba473641ea465b62c85f1d9358d97c0a4ed754be650c6e28 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\e9eea4cd9881b0292db18fee7c39c166.png -
07f1f095226673b66538cfc9d361355d54ffb80c1acf2c0509e9992aa378bb91 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=download+gogo+live+mod+apk+ios
- https://cdn.shopify.com/s/files/1/0497/5017/9993/files/jewelry_exchange_sudbury_phone_number.pdf
- https://cdn.shopify.com/s/files/1/0498/8724/8538/files/january_2009_chemistry_regents_answer_key.pdf
- https://cdn.shopify.com/s/files/1/0469/3196/8155/files/russian_alphabet_printable.pdf
- https://cdn.shopify.com/s/files/1/0484/2763/0744/files/zazazupusenapuz.pdf
- https://cdn-cms.f-static.net/uploads/4366965/normal_5f87528cb0819.pdf
- https://cdn-cms.f-static.net/uploads/4365575/normal_5f86f465ad09a.pdf
- https://cdn-cms.f-static.net/uploads/4366367/normal_5f87182dd68a9.pdf
- https://cdn-cms.f-static.net/uploads/4367297/normal_5f87487c73219.pdf
- https://cdn-cms.f-static.net/uploads/4365599/normal_5f872923d7ada.pdf
- https://cdn.shopify.com/s/files/1/0480/3421/8133/files/sikutodewewepanivevi.pdf
- https://cdn.shopify.com/s/files/1/0433/8427/5109/files/zuvifukubemobedodulevu.pdf
- https://cdn.shopify.com/s/files/1/0434/5800/3096/files/62433195874.pdf
- https://cdn.shopify.com/s/files/1/0494/1689/6679/files/56076227337.pdf
- https://cdn.shopify.com/s/files/1/0482/3508/5978/files/20001435738.pdf
- https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/xekena.pdf
- https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/mezevoxinokimuwamibu.pdf
- https://site-1043053.mozfiles.com/files/1043053/62965203461.pdf
- https://site-1037858.mozfiles.com/files/1037858/71279677354.pdf
- https://site-1037069.mozfiles.com/files/1037069/nirapuwuwusupego.pdf
- https://site-1037003.mozfiles.com/files/1037003/33966969122.pdf
- https://site-1044297.mozfiles.com/files/1044297/27310653006.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/
Embedded domains
- cctraff.ru
- cdn.shopify.com
- cdn-cms.f-static.net
- xojerajap.weebly.com
- site-1043053.mozfiles.com
- site-1037858.mozfiles.com
- site-1037069.mozfiles.com
- site-1037003.mozfiles.com
- site-1044297.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 135.232.92.137
- 20.42.179.204
- 74.178.76.44
- 172.215.188.225
- 172.172.255.216
- 51.105.71.136
- 172.66.2.5
- 4.230.171.124
- 74.179.77.204
- 4.150.223.106
- 52.123.129.14
- 52.123.128.14
- 40.79.163.155
- 135.233.45.221
- 135.232.92.34
- 203.26.79.13
- 52.123.252.212
- 20.165.94.46
- 48.200.63.27
- 51.104.15.253
- 52.148.114.188
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report