MALICIOUS — normal_5f882fc5d9952.pdf
MALICIOUS — normal_5f882fc5d9952.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (72/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
ff641b63defc9742cccc1596c3aaddbef302067e4b0352e032212a1a1ea2b50a - SHA-1:
b4b92e40d44d5c0d3ec9cca20c321a7e54bc944e - MD5:
23c205325babdf0d98be60a8aa1c2f50 - ssdeep:
768:FgGzpDgpugg2edMXWBuKhNA+Lm2FkV9ch4CERbaVsx5smXkW/iViNIVRH4CgCple:WGF0p0Nd8KEHsokW/yiNIVPX/8247 - TLSH:
T172339EF35067ED8D7A879F03ADEA1929A08DD7885032D7644988372CC4BC7BE3E10A55 - Submitted as: normal_5f882fc5d9952.pdf
- File type: pdf · Size: 48138 bytes
- Verdict: malicious (72/100)
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 72/100 is the fusion of 6 weighted signals:
- Contacted 16 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://cdn-cms.f-static.net/uploads/4365549/normal_5f871cf1be6ac.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/123?keyword=procedure+for+registration+of+gst+pdf, https://cdn-cms.f-static.net/uploads/4368228/normal_5f8764622f97f.pdf, https://cdn-cms.f-static.net/uploads/4366659/normal_5f87f8bf95626.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 (11 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9884 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
- 250.255.255.239.in-addr.arpa
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\0a6c5f43c894e11a959d0bbe0c6fa02e.png -
abe99b5acb9db6520154b27896178c3715c3d864ef9f801bd4d2be96e4cbdcf9 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
9bb0ef34a6d7813c9276ed353881437e3549df3b3606bbb59014b021498a5d9e - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=procedure+for+registration+of+gst+pdf
- https://cdn-cms.f-static.net/uploads/4368228/normal_5f8764622f97f.pdf
- https://cdn-cms.f-static.net/uploads/4366659/normal_5f87f8bf95626.pdf
- https://cdn-cms.f-static.net/uploads/4365580/normal_5f87557ee3235.pdf
- https://cdn-cms.f-static.net/uploads/4365549/normal_5f871cf1be6ac.pdf
- https://cdn-cms.f-static.net/uploads/4369506/normal_5f87e796aac1d.pdf
- https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/8279107.pdf
- https://cdn.shopify.com/s/files/1/0465/2302/3518/files/watoganaxedokipirolibot.pdf
- https://cdn.shopify.com/s/files/1/0501/7426/3456/files/the_story_of_us_episode_4_division_answers.pdf
- https://cdn.shopify.com/s/files/1/0440/0388/5214/files/68368878710.pdf
- https://cdn.shopify.com/s/files/1/0484/4306/4474/files/69916865826.pdf
- https://cdn-cms.f-static.net/uploads/4366395/normal_5f876db8333d4.pdf
- https://cdn-cms.f-static.net/uploads/4366055/normal_5f882ebbe551d.pdf
- https://cdn-cms.f-static.net/uploads/4368777/normal_5f87c3499e9c2.pdf
- https://cdn-cms.f-static.net/uploads/4368982/normal_5f8808524447c.pdf
- https://cdn-cms.f-static.net/uploads/4366306/normal_5f871ddfb09b2.pdf
- https://cdn.shopify.com/s/files/1/0431/2930/7293/files/babomibus.pdf
- https://cdn.shopify.com/s/files/1/0476/9172/7014/files/laid_in_america_movie_free.pdf
- https://cdn.shopify.com/s/files/1/0496/7894/2360/files/89389471797.pdf
- https://cdn.shopify.com/s/files/1/0434/1750/1853/files/65185977017.pdf
- https://rezizeme.weebly.com/uploads/1/3/0/7/130775554/sodim-dajozigesozix-sojesumupusimow.pdf
- https://jabiratunibi.weebly.com/uploads/1/3/2/6/132683422/garibaxuwekos-lofegos-damaki-numuvelo.pdf
- https://vezorobabuwej.weebly.com/uploads/1/3/0/9/130969079/tevob.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
Embedded domains
- cctraff.ru
- cdn-cms.f-static.net
- fijojonibiw.weebly.com
- cdn.shopify.com
- rezizeme.weebly.com
- jabiratunibi.weebly.com
- vezorobabuwej.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.172.255.217
- 52.168.117.174
- 40.84.85.40
- 4.230.171.124
- 20.247.185.124
- 4.207.44.64
- 20.231.239.246
- 74.179.77.204
- 52.123.128.14
- 52.123.129.14
- 135.233.45.223
- 52.123.252.232
- 72.145.35.101
- 203.26.79.13
- 52.123.252.218
- 172.175.111.170
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report