MALICIOUS — 3c3c466aa1f2fca03e2bd75ac6e5bb9b4becb10b7fa9f66dbd6b7484a6610b2c

MALICIOUS — 3c3c466aa1f2fca03e2bd75ac6e5bb9b4becb10b7fa9f66dbd6b7484a6610b2c is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 4 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

SHA-256: 3c3c466aa1f2fca03e2bd75ac6e5bb9b4becb10b7fa9f66dbd6b7484a6610b2c
SHA-1: f6123b4e2f819d533abe50c92ff5c41cd1e70ec0
MD5: 456ef30f4271aade9ce469723ad2e491
ssdeep: 1536:WNLJVSG4a3mqi+kembukH6kuNun3OcNLgWvlxcTQ2w0whBW8pO+w3J:aLJVS23m539dH6In+cNLFxc02w0qg+U
TLSH: T15F37C0E7109BCE5CB64BEF476AAB11595049C3847262EE500184BA7CE9BC67EBF10B01
Submitted as: 3c3c466aa1f2fca03e2bd75ac6e5bb9b4becb10b7fa9f66dbd6b7484a6610b2c
File type: pdf · Size: 74076 bytes
Verdict: malicious (98/100)

Detections (4 of 54 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

T1105

Why this verdict

The malicious score of 98/100 is the fusion of 9 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
Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule PDF.Spam.Heur.1) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged HEUR:Hoax.PDF.Phish.gen (rule HEUR:Hoax.PDF.Phish.gen) - engine signal, weight 0.55, confidence 0.85
MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-blob (rule high-entropy-blob) - engine signal, weight 0.35, confidence 0.70
Embedded network infrastructure: https://laborke.ru/uplcv?utm_term=text+editor+apk, http://rpsbchamber.org/editorData/file/9709771098.pdf, http://www.findvoters.com/userfiles/file/75038686764.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
Contacted 15 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
Extracted generic config (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

991 behavior events · 0 ATT&CK techniques · 1 dropped files.

Runtime network

www.msftconnecttest.com
rb.symcd.com
rb.symcb.com
inference.location.live.net
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/89c77c08-6078-44b6-8f27-85720154df65/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/89c77c08-6078-44b6-8f27-85720154df65?P1=1788069953&P2=404&P3=2&P4=F%2bm8C45krHzZc0aOYXWpFixyT7oJFIRIq4pvpVlZJYOGiTLjx5%2fRGgvea1GdJZw4P9bEj0pc6TTO5PYkneF9Nw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
23.40.52.85
23.11.37.157
20.190.167.19
4.150.223.96 US · Des Moines · AS8075 Microsoft Corporation
150.171.22.17
135.233.95.80 US · Des Moines · AS8075 Microsoft Limited
23.198.40.44
57.155.104.224 SG · Singapore · AS8075 Microsoft Limited UK
52.110.12.52 AU · Sydney · AS8075 Microsoft Corporation
72.153.5.133 US · Boydton · AS8075 Microsoft Corporation

Dropped files

root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

https://laborke.ru/uplcv?utm_term=text+editor+apk
http://rpsbchamber.org/editorData/file/9709771098.pdf
http://www.findvoters.com/userfiles/file/75038686764.pdf
http://vuoncotichdep.com/upload/files/67654741518.pdf
http://joinsocialbubble.com/cake/beta/userfiles/file/zefezamonolimelemibexe.pdf
https://sieuthimaytinhcu.vn/upload/files/12263101338.pdf
http://spprp.pl/userfiles/file/33255646551.pdf
http://temdientu.vn/images/ckeditor/files/ritoso.pdf
http://www.tecnologycenter.com/admin/uploaded/fck/file/ronow.pdf
https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614165c436c0a---jebenaxor.pdf
http://okmarin.ru/userfiles/file/57985519117.pdf
http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139eb41818d2---wufolo.pdf
http://polaryachtmanufactory.com/res/wysiwyg/file/13481869695.pdf
http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/16148ee2f8ff36---rudokoxezile.pdf
https://gedayapi.com/userfiles/file/90514425407.pdf
https://clubesolbra.com/uploads/files/togewasavurosebufadur.pdf
https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/16149f9b8965e5---88175158431.pdf
http://suvagcentr.ru/userfiles/files/9507797173.pdf
http://kimandyoo.com/userfiles/file/93167538591.pdf
http://www.cpnatacao.pt/backoffice/ckfinder/userfiles/files/68200030076.pdf
http://wish-pharma.com/upload/files/fifusorurife.pdf
https://gregoryshow.ru/files/file/44703715131.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/

Embedded domains

laborke.ru
rpsbchamber.org
www.findvoters.com
vuoncotichdep.com
joinsocialbubble.com
spprp.pl
www.tecnologycenter.com
www.abaco-engineering.it
okmarin.ru
www.phonefixcomo.com
polaryachtmanufactory.com
caribsplash.org
gedayapi.com
clubesolbra.com
www.penyembuhanholistikreiki.com
suvagcentr.ru
kimandyoo.com
wish-pharma.com
gregoryshow.ru
www.w3.org
purl.org
ns.adobe.com
sieuthimaytinhcu.vn
temdientu.vn
www.cpnatacao.pt

Embedded IP addresses

20.42.73.31
72.145.35.96
4.207.44.72
72.145.35.97
52.182.143.212
4.150.223.96
135.233.95.80
57.155.104.224
52.110.12.52
72.153.5.133
4.230.171.124
203.26.79.13
4.144.132.223
4.150.223.109
20.165.94.63

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report