MALICIOUS — 26983396720.pdf
MALICIOUS — 26983396720.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (86/100). 2 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
fa6404bc0283060df35202e2523e6c8eeacfada247105b90f20e10ffb52a1bfc - SHA-1:
76f3c9a288063d5419e715c1c8405e5c7ed4ab3e - MD5:
a7adf3eac7334ca682a34ac123ac5262 - ssdeep:
768:ebgGzpDc5Dm3wDJRVIadqZThhCvDAY83HJVRFDvomqNejF9P:XGF4ZmU/VZsZThhiDONuojF9P - TLSH:
T17D34BFF35197DD9C7A8A6B039D761499614AC28C613787B028C83B2CD4FCABC7E04A51 - Submitted as: 26983396720.pdf
- File type: pdf · Size: 55226 bytes
- Verdict: malicious (86/100)
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 86/100 is the fusion of 7 weighted signals:
- Memory forensics: 3 finding(s), e.g. RWX/private injected region in SumatraPDF.exe (pid 3120) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - 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://uploads.strikinglycdn.com/files/53af94df-92b1-4906-b6e9-87df86d5f4b0/xuvivuduzexivodove.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=del+taco+nutrition+facts+pdf, https://uploads.strikinglycdn.com/files/53af94df-92b1-4906-b6e9-87df86d5f4b0/xuvivuduzexivodove.pdf, https://uploads.strikinglycdn.com/files/ed31e4f8-33ee-4fa9-a64b-3b26450d7c1a/ramiza.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 (16 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9742 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._dosvc._tcp.local
- ntp.ubuntu.com
- _dosvc._tcp.local
- desktop-hsgcbep
- 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=1787779777&P2=404&P3=2&P4=DDcO1Nq2XvkLyavbaP%2fnM4Nw5W0syYjrrbsRXlyDrzr2cOseu0n3pgut2K9aUV8vdvmLq2xuwSTFFrIJo7RONA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
4072b1d694466aeff79414c07a0f2f950f51d6441f619a811a46e4b3c5ee1683 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\c1412d658e4cb9dcf059108ce67c93af.png -
35d74f699bff2d96c16abf785be63f5662ddd5a8392f018e000806a23f236157 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/strik?keyword=del+taco+nutrition+facts+pdf
- https://uploads.strikinglycdn.com/files/53af94df-92b1-4906-b6e9-87df86d5f4b0/xuvivuduzexivodove.pdf
- https://uploads.strikinglycdn.com/files/ed31e4f8-33ee-4fa9-a64b-3b26450d7c1a/ramiza.pdf
- https://uploads.strikinglycdn.com/files/d9744ab0-665f-4541-8bf1-48259a63aa1c/xamesibewovaxawav.pdf
- https://uploads.strikinglycdn.com/files/20e1a3a4-56bc-4111-a5d1-471928e3adfa/87229685709.pdf
- https://uploads.strikinglycdn.com/files/a778fc91-beba-4e42-b292-fc3476730805/64505462123.pdf
- https://uploads.strikinglycdn.com/files/79fa0914-c6b1-4d04-b271-6d4431ae477c/86733135821.pdf
- https://uploads.strikinglycdn.com/files/6ccfdafa-2b1f-4e3d-807c-2bf54f27fe5a/savinojeravubomamuzavap.pdf
- https://uploads.strikinglycdn.com/files/a4dc7b16-75af-443e-9c38-76fcf8a30575/85444353118.pdf
- https://uploads.strikinglycdn.com/files/c87d6961-2670-4231-bfcc-eb8da26c6549/99374976270.pdf
- https://uploads.strikinglycdn.com/files/46b9edc1-b320-4b6e-8f4f-82def8516086/23157196568.pdf
- https://site-1037157.mozfiles.com/files/1037157/kofiduxegobewefiz.pdf
- https://site-1039534.mozfiles.com/files/1039534/sipisumijomisadopexuma.pdf
- https://uploads.strikinglycdn.com/files/c0724625-e575-42d1-8ecd-0230c612fca2/17735262549.pdf
- https://uploads.strikinglycdn.com/files/103512fa-c0cd-4e44-bce4-aed0f829cf04/77942615089.pdf
- https://uploads.strikinglycdn.com/files/9884710f-2062-4e16-acb0-463e6e0f1180/64046374018.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
Embedded domains
- cctraff.ru
- uploads.strikinglycdn.com
- site-1037157.mozfiles.com
- site-1039534.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 20.42.179.192
- 4.247.188.233
- 4.230.171.124
- 20.247.184.197
- 20.165.94.63
- 74.178.240.51
- 20.231.239.246
- 52.123.128.14
- 40.99.133.210
- 40.99.134.18
- 135.233.45.222
- 135.232.92.34
- 203.26.79.13
- 135.233.45.221
- 4.209.250.170
- 52.168.117.169
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report