MALICIOUS — 26012310774.pdf

MALICIOUS — 26012310774.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (84/100). 2 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

SHA-256: 901fd6b56664b899aa72326e99cc5601e08665ace04488a303905f336814af95
SHA-1: deb25a29c3bc1b65a875242d2c9603939fead62b
MD5: a42f6bf1f9bf8db22ab905b827b3971e
ssdeep: 768:lgGzpD6MYTg9GRJ91R0ksmbobMKN8HUsB+O+y4xv3ky+e:2GFODOrmbz5Bn+vv3ky+e
TLSH: T12B319EF36157EC4E3686AB036DF62155648AC2887133B7A058C83B7D84BC6BDAE10D71
Submitted as: 26012310774.pdf
File type: pdf · Size: 40235 bytes
Verdict: malicious (84/100)

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 84/100 is the fusion of 6 weighted signals:

Embedded link rated malicious by URL analysis: https://uploads.strikinglycdn.com/files/1841d27b-3a9b-4bd1-8bac-0d338d13bac1/jufovumuwezojifujax.pdf - network signal, weight 0.70, confidence 0.80
Contacted 16 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
Embedded network infrastructure: https://gettraff.ru/strik?keyword=atal+bihari+vajpayee+poems+book+pdf, https://cdn.shopify.com/s/files/1/0436/6866/8569/files/62410044467.pdf, https://cdn.shopify.com/s/files/1/0440/5071/0693/files/54716758556.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 (10 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

9690 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
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
http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787780446&P2=404&P3=2&P4=n3%2fMU6TaY0k%2fY%2fixc56kx0s3NretEO7Auqqb%2bdwj92ITUkzctQD633dJw5t4kZ2q%2bKoYEzVZ8STmRrSfw%2fuqmA%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
http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787780513&P2=404&P3=2&P4=m7%2bEIlFazH%2bazlSHRNgh4Jmt1PKqInpPVTYjKy0VvdbVbv6WKH2vHTGDrMnGu7dsitx0tNIpHAJB%2fnYi966zEA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice//files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice//files/b56480f9-8215-4de7-ba7e-8e690088d21d/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com

Dropped files

C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - b153255457a77be30c2b39f528e11d3bc81f6a34a733c6494d515dd92e9c76e7
C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\946265748a53a268041e5bde8b644f6a.png - 83a62cfd257c88d5f9640c4fab7b613dc223792cb34f786e45a1a83804533ef0
root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

https://gettraff.ru/strik?keyword=atal+bihari+vajpayee+poems+book+pdf
https://cdn.shopify.com/s/files/1/0436/6866/8569/files/62410044467.pdf
https://cdn.shopify.com/s/files/1/0440/5071/0693/files/54716758556.pdf
https://cdn.shopify.com/s/files/1/0438/1347/0365/files/geometry_rotations_worksheet.pdf
https://cdn.shopify.com/s/files/1/0433/3764/6245/files/higher_and_higher_song_lyrics.pdf
https://cdn.shopify.com/s/files/1/0461/9501/5831/files/sivir_guide_s5e1.pdf
https://uploads.strikinglycdn.com/files/1841d27b-3a9b-4bd1-8bac-0d338d13bac1/jufovumuwezojifujax.pdf
https://uploads.strikinglycdn.com/files/a8ee8075-c87f-4c32-b18f-1a7e7d012c86/jifuditir.pdf
https://uploads.strikinglycdn.com/files/26d33819-b9e1-4e27-9422-4a15ed57e2eb/lifigipizujidadid.pdf
https://uploads.strikinglycdn.com/files/9e3842d6-5655-4c53-881d-4a161aafe485/kijifegizutelusigobenoka.pdf
https://site-1036646.mozfiles.com/files/1036646/xoralufawuxigisa.pdf
https://site-1036850.mozfiles.com/files/1036850/55492035520.pdf
https://site-1037164.mozfiles.com/files/1037164/tukupogi.pdf
https://site-1036965.mozfiles.com/files/1036965/98941312675.pdf
https://site-1037022.mozfiles.com/files/1037022/kedezegakuw.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
http://203.26.79.13/filestreamingservice//files/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com

Embedded domains

gettraff.ru
cdn.shopify.com
uploads.strikinglycdn.com
site-1036646.mozfiles.com
site-1036850.mozfiles.com
site-1037164.mozfiles.com
site-1036965.mozfiles.com
site-1037022.mozfiles.com
www.w3.org
purl.org
ns.adobe.com

Embedded IP addresses

52.168.112.66
74.178.232.29
52.110.12.19
172.215.188.225
4.230.171.124
203.26.79.13
20.165.94.63
51.11.192.51
52.123.129.14
52.123.252.248
40.79.150.120
20.184.175.8
20.42.179.204
48.192.143.121
4.150.223.115
4.150.223.114

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report