MALICIOUS — c149cef575c29db3cff25e70e152df7d9574fbd885c92a1007d26d63058321f7
MALICIOUS — c149cef575c29db3cff25e70e152df7d9574fbd885c92a1007d26d63058321f7 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:
c149cef575c29db3cff25e70e152df7d9574fbd885c92a1007d26d63058321f7 - SHA-1:
d8e7d448aa4002ddfc53f6af8b88aba414c8a3cd - MD5:
1bd5bde78f09600f883bb32604bb48a4 - ssdeep:
1536:z4zPjOH2U5yVHmD+hwD/0QpFBRr/5L8Nc1cpXWaJ2WspORGWVVRfX9qBHY:OjOH1QVkKwFl/x+c21JpRb9l - TLSH:
T11837C0F321ABDE4D7797875374EB059CA046D7842262EA9044C8BA3CE97C9BDBF20501 - Submitted as: c149cef575c29db3cff25e70e152df7d9574fbd885c92a1007d26d63058321f7
- File type: pdf · Size: 76025 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:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 72/100 is the fusion of 6 weighted signals:
- Contacted 13 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: http://eldmsh1.ru/js/ckfinder/userfiles/files/18539811699.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://catamma.ru/uplcv?utm_term=linux+pdf+reader+with+annotations, https://cet.sk/res/file/53482591328.pdf, http://1qjd.com/upload/files/2021-09-23-00-43-34-919pGZ4V.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 (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9571 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
- 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\SumatraPDF-settings.txt -
1b4bf547fa4964b6ce736a79543d1620787e79064e79fe6e3ec0140d2d5fac52 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\b5599516cc7e549aa3e652fa2a1c1dd0.png -
7ec58496a1488ea7a9dcafa350bb4c2cb2c4b0efa4b94d590e9d1558fb7ddc70 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://catamma.ru/uplcv?utm_term=linux+pdf+reader+with+annotations
- https://cet.sk/res/file/53482591328.pdf
- http://1qjd.com/upload/files/2021-09-23-00-43-34-919pGZ4V.pdf
- https://dichocungtoi.com/userfiles/file/nogem.pdf
- http://artgrafika.cz/userfiles/file/sawisusa.pdf
- http://abarappresentanze.it/userfiles/files/39185046026.pdf
- https://ceccargiurgiu.ro/userfiles/file/zodiwezoworepisajurot.pdf
- http://backupcenters.com/userfiles/file/33702439168.pdf
- http://devveb.net/userfiles/file/62014810674.pdf
- http://eldmsh1.ru/js/ckfinder/userfiles/files/18539811699.pdf
- http://epicridesnepal.com/files/bavawaruvefo.pdf
- http://itnetworkconsultingsf.com/helpdesk/app/webroot/img/userfiles/files/gukusivifapifu.pdf
- http://wedooverseas.com/userfiles/file/fidarebikojez.pdf
- https://giverny-bkk.com/upload/files/lexaxibapagumurozizedazas.pdf
- http://yameitecl.com/ckfinder/userfiles/files/20210925_113215.pdf
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138221302084---46075631467.pdf
- https://marathonblainville.com/userfiles/files/51977019739.pdf
- http://clevio.biz/fckUpload/file/zonofomaborigu.pdf
- http://przybyszewski.org/image/file/jexidor.pdf
- http://folientastaturen.pl/_data/file/55654650084.pdf
- http://tostonet.cl/ckfinder/userfiles/files/pumelimisalikusebipap.pdf
- http://medicalproduct.hu/images/files/zifafiboge.pdf
- http://cerescommoditiesltd.com/Images_upload/files/4966419721.pdf
- https://eguiders.com/uploads/latisumavobutuzer.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
Embedded domains
- catamma.ru
- 1qjd.com
- dichocungtoi.com
- abarappresentanze.it
- backupcenters.com
- devveb.net
- eldmsh1.ru
- epicridesnepal.com
- itnetworkconsultingsf.com
- wedooverseas.com
- giverny-bkk.com
- yameitecl.com
- www.viksexteriors.com
- marathonblainville.com
- clevio.biz
- przybyszewski.org
- folientastaturen.pl
- cerescommoditiesltd.com
- eguiders.com
- www.w3.org
- purl.org
- ns.adobe.com
- cet.sk
- artgrafika.cz
- ceccargiurgiu.ro
Embedded IP addresses
- 52.123.252.216
- 52.110.12.42
- 52.110.12.5
- 4.230.171.124
- 4.247.188.233
- 125.56.205.114
- 135.233.95.144
- 52.178.17.234
- 20.112.250.133
- 52.123.128.14
- 72.153.5.96
- 203.26.79.13
- 4.150.223.111
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report