SUSPICIOUS — normal_5f874114b1507.pdf
SUSPICIOUS — normal_5f874114b1507.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (64/100). 3 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
39493b50b856a9db9b5c735802ecea2defd961183830500c3abe341f0077daee - SHA-1:
97ae1b239cd8d9088ff717164a0fbc67f13dfa58 - MD5:
24402579b1a645762b730c473cd80dbc - ssdeep:
768:l6gGzpDKpe4jTm9fqGqhJ3U6+2AVEUoQw8pqlmebWAkMqJeVE0ESJIIYM9lIA:BGF2peMT0X6J3UH2AcbWGq4VEpEIDM9p - TLSH:
T149329DF361A7ED4C7A879B172EAB256E8449D64D6233976050D8372CD0BC3BE3E50920 - Submitted as: normal_5f874114b1507.pdf
- File type: pdf · Size: 45892 bytes
- Verdict: suspicious (64/100)
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 suspicious score of 64/100 is the fusion of 5 weighted signals:
- Contacted 20 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/123?keyword=estimates+app+for+android, https://site-1036695.mozfiles.com/files/1036695/52967968956.pdf, https://site-1039393.mozfiles.com/files/1039393/wikujoji.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 (15 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9709 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
- 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
- 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\51edec3e2390fa98af6051a0a908dedc.png -
5d88979392dcd2546bd3a65c619c010fe019d5ada1ac127c86043accc31982b4 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
8e18b6735d61443be7f036110cebaac527903c2cfb9a9477ad9f01ff123203d2 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=estimates+app+for+android
- https://site-1036695.mozfiles.com/files/1036695/52967968956.pdf
- https://site-1039393.mozfiles.com/files/1039393/wikujoji.pdf
- https://site-1036722.mozfiles.com/files/1036722/vaxikonasatuweremaxebuku.pdf
- https://vibebivenef.weebly.com/uploads/1/3/1/4/131412032/vesedexomokapo.pdf
- https://babikovinemixe.weebly.com/uploads/1/3/1/8/131856339/manofuzawidevu.pdf
- https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/rotesojelunemiroto.pdf
- https://vuzevarezevarot.weebly.com/uploads/1/3/0/7/130740461/vedivomevoreto.pdf
- https://cdn-cms.f-static.net/uploads/4366020/normal_5f86f59b30c8d.pdf
- https://cdn-cms.f-static.net/uploads/4366047/normal_5f86fc1ead8cf.pdf
- https://cdn-cms.f-static.net/uploads/4365626/normal_5f86fedae5354.pdf
- https://cdn-cms.f-static.net/uploads/4365607/normal_5f86fa88cca11.pdf
- https://cdn-cms.f-static.net/uploads/4365547/normal_5f8707aaf187b.pdf
- https://site-1043890.mozfiles.com/files/1043890/78946447925.pdf
- https://site-1039289.mozfiles.com/files/1039289/65897422824.pdf
- https://site-1043329.mozfiles.com/files/1043329/35509013974.pdf
- https://site-1040143.mozfiles.com/files/1040143/98808684009.pdf
- https://site-1036659.mozfiles.com/files/1036659/fakixiburofewigejekiji.pdf
- https://site-1037149.mozfiles.com/files/1037149/bokikuvejuzazobozemawu.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/
Embedded domains
- cctraff.ru
- site-1036695.mozfiles.com
- site-1039393.mozfiles.com
- site-1036722.mozfiles.com
- vibebivenef.weebly.com
- babikovinemixe.weebly.com
- vuxozajuje.weebly.com
- vuzevarezevarot.weebly.com
- cdn-cms.f-static.net
- site-1043890.mozfiles.com
- site-1039289.mozfiles.com
- site-1043329.mozfiles.com
- site-1040143.mozfiles.com
- site-1036659.mozfiles.com
- site-1037149.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 72.153.5.136
- 135.233.95.144
- 40.84.85.40
- 74.178.76.44
- 172.172.255.217
- 52.110.12.16
- 4.230.171.124
- 135.232.92.97
- 162.159.142.9
- 4.144.132.114
- 20.231.239.246
- 52.123.129.14
- 40.99.134.18
- 40.103.64.226
- 52.123.252.198
- 72.154.7.108
- 203.26.79.13
- 92.223.78.30
- 20.52.64.201
- 4.247.188.224
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report