MALICIOUS — 31092343561.pdf

MALICIOUS — 31092343561.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100). 4 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

SHA-256: c729942deeacad4e28211f0709c1032deed88ba0a2edd7219738086c6f8b3f8b
SHA-1: 77d42f8599822ce65d4e253b4fe42f81f3245b85
MD5: 8e3c40837e3ed179545254884398b91b
ssdeep: 1536:zGMuen2ZtasvcW1D0tmBw7NhQ90XSQzSKWydPErsEva7w0uWHpOv2ob:Zpn2Z/cAD0tl7Nh00CMdQPeb+vX
TLSH: T19C38D0F370D7DD4C3697DB0775BA00A8711AE68D5211E950818CBFBC88BC9BCAE50662
Submitted as: 31092343561.pdf
File type: pdf · Size: 77734 bytes
Verdict: malicious (96/100)

Detections (4 of 53 engines)

MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
ClamAV (daily): Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Emsisoft (Emergency Kit): PDF.Spam.Heur.1
Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

Why this verdict

The malicious score of 96/100 is the fusion of 7 weighted signals:

ClamAV (daily) flagged Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 (rule Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0) - engine signal, weight 0.90, confidence 0.95
Contacted 19 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
Embedded link rated suspicious by URL analysis: http://clairerolo.com/userfiles/file/mopuxasuzudilumoxefejo.pdf - network signal, weight 0.40, confidence 0.60
Embedded network infrastructure: http://canyonmeadows.org/userimages/50982782876.pdf, http://sp3siemianowice.pl/userFiles/files/60985030374.pdf, http://clairerolo.com/userfiles/file/mopuxasuzudilumoxefejo.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)

9601 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=1787776852&P2=404&P3=2&P4=grB4HVkApSo5oNYzt%2fl1qDtq%2fF3iv9ntQuazGV786Z%2b1s7htlSZip%2fy23dy0YAPN7jsiYPzbrFoEA0T%2fgtlF%2fQ%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=1787776887&P2=404&P3=2&P4=Hfge6LC%2bd6ZgMYkiG%2fOvGfPTQAy4pLeLBWNjoGqYimXRhsLPqSclW%2fmLPy5op%2fZTtGT%2fVbhb0MHM5s6i0pSdRg%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/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5?P1=1787173614&P2=404&P3=2&P4=beEhE%2fgF8Pg9UKCnyiu%2fZxcBTx0baWWib%2fVbOClcM%2bHmkGDgiFLsvoPTSS97MnuqFMbOVSRzXaHvyCcNc4MzKA%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com

Dropped files

C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\777e0bf1a2a808a3bfc7712a48620c42.png - ba2f25b255f420c8248e4572f267f3021fd03fabde8d0ca472f1e9e9f5d15ee6
C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - b3fdf76b3dac9acd2e08003c40276881a29b660c5c43eb2b480349bb3d6c45b5
root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=sync+icloud+photos+to+android
http://canyonmeadows.org/userimages/50982782876.pdf
http://sp3siemianowice.pl/userFiles/files/60985030374.pdf
http://clairerolo.com/userfiles/file/mopuxasuzudilumoxefejo.pdf
http://otestmanager.org/club/data/userfiles/file/20210910024537.pdf
https://dichvuketoanvn.org/uploads/files/24266351658.pdf
http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/161300e0798ea6---18558827156.pdf
https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/f949ppgotcbnqtmqbkcars7987/kokabekaxo.pdf
https://telliogluhukuk.com/userfiles/file/segojobefopig.pdf
https://amt-alarmy.pl/userfiles/file/denitagabuvibuk.pdf
http://taispacedesign.com/upload/files/vezoso.pdf
https://indobaliart.com/sitefiles/file/74393543405.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
http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787776852&P2=404&P3=2&P4=grB4HVkApSo5oNYzt%2fl1qDtq%2fF3iv9ntQuazGV786Z%2b1s7htlSZip%2fy23dy0YAPN7jsiYPzbrFoEA0T%2fgtlF%2fQ%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=1787776887&P2=404&P3=2&P4=Hfge6LC%2bd6ZgMYkiG%2fOvGfPTQAy4pLeLBWNjoGqYimXRhsLPqSclW%2fmLPy5op%2fZTtGT%2fVbhb0MHM5s6i0pSdRg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com

Embedded domains

feedproxy.google.com
canyonmeadows.org
sp3siemianowice.pl
clairerolo.com
otestmanager.org
dichvuketoanvn.org
www.infranetltd.com
notofthisgalaxy.com
telliogluhukuk.com
amt-alarmy.pl
taispacedesign.com
indobaliart.com
www.w3.org
purl.org
ns.adobe.com

Embedded IP addresses

20.42.179.192
20.184.175.18
52.123.252.225
52.230.59.222
20.165.94.46
52.110.12.16
57.155.101.212
4.230.171.124
203.26.79.13
135.233.95.144
20.50.201.205
40.99.133.226
4.207.44.76
52.123.129.14
172.178.240.163
20.184.175.12
135.234.160.246
48.200.63.27
51.132.193.105

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report