MALICIOUS — 3d441cdc8d642d93f776a31c2634b0d63eff7f7c1898ef6180d162bc0f1d4f8e

MALICIOUS — 3d441cdc8d642d93f776a31c2634b0d63eff7f7c1898ef6180d162bc0f1d4f8e is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100). 4 of 54 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

SHA-256: 3d441cdc8d642d93f776a31c2634b0d63eff7f7c1898ef6180d162bc0f1d4f8e
SHA-1: 4c6b0d1fb8b0e8d260ea505633356416438a5b1f
MD5: 2406254fd295030c67c67534bd525dcc
ssdeep: 1536:Y3deWHH9sTu307QHBGTK9eIneRle+W6pOu26WPXIeUKx:0d3eTU4TKMgeRE7u2xIe7
TLSH: T1B837BFF330A7DD9C779B5F4759E7215C60C7DB885262DB904084AABC88BC97DAF00A41
Submitted as: 3d441cdc8d642d93f776a31c2634b0d63eff7f7c1898ef6180d162bc0f1d4f8e
File type: pdf · Size: 70549 bytes
Verdict: malicious (99/100)

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

Why this verdict

The malicious score of 99/100 is the fusion of 11 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
Embedded link rated malicious by URL analysis: http://consorzio-csa.it/userfiles/files/65892979836.pdf - network signal, weight 0.70, confidence 0.80
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://zegaoyun.com/calisma2/files/uploads/24710036240.pdf, http://tomei4x4.jp/js/upload/files/96171603741.pdf, http://consorzio-csa.it/userfiles/files/65892979836.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 9 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
Extracted generic config (18 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Memory forensics: 4 finding(s) elsewhere in the guest, not attributed to this sample, e.g. RWX/private injected region in Acrobat.exe (pid 8468) (rule windows.malfind.Malfind) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

1028 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
23.40.52.85
23.11.37.157
20.190.142.164
23.198.40.44
52.110.12.47 AU · Sydney · AS8075 Microsoft Corporation
4.230.171.124 KR · Seoul · AS8075 Microsoft Corporation
23.33.238.171
52.230.59.222 SG · Singapore · AS8075 Microsoft Corporation
20.165.94.54 US · San Antonio · AS8075 Microsoft Corporation
4.150.223.114 US · Des Moines · AS8075 Microsoft Corporation
20.42.65.91 US · Flint Hill · AS8075 Microsoft Corporation
151.101.30.172

Dropped files

root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=collinear+in+maths
https://zegaoyun.com/calisma2/files/uploads/24710036240.pdf
http://tomei4x4.jp/js/upload/files/96171603741.pdf
http://consorzio-csa.it/userfiles/files/65892979836.pdf
https://khonggiansachhanoi.vn/uploads/files/12516275792.pdf
http://xn--ob0bjxt9h99icicrvkksa421cwwp7hiv4d6a.com/ckfinder/userfiles/files/86409051301.pdf
http://goozzl.com/userfiles/files/sirugekisenigiduje.pdf
https://mediaget.ru/userfiles/files/xazulejaxororumiruvufi.pdf
http://funagamex.vn/PhuongNamGroup/userfiles/files/70110863375.pdf
http://pomelieagency.com/userfiles/files/52861573934.pdf
https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/8hocus2iihvjj1c7925dqe6jkd/xirizeragu.pdf
http://theorientgarden.iorderfoods.com/uploads/files/toteriwadore.pdf
http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/4f137d599971145e01a20afc1ffb0bd7/3441126944.pdf
http://djpress.pl/Image/files/95283211118.pdf
https://derfo.info/resimler/files/tikopetuvukevo.pdf
http://adm.stikom-db.ac.id/js/uploads/files/rodajuvizoxokak.pdf
http://e5tbr2.alruaa.com/ckeditor-ckfinder-integration/uploads/files/tulovavaxojopaxozid.pdf
https://www.fibertech1.com/my_content/js/ckfinder/userfiles/files/nugagegenimuxa.pdf
https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/16149aad33f0a9---96115389191.pdf
http://planao.com/ckfinder/userfiles/files/wiwojizefenemetoza.pdf
https://prawobrzeze.info/userfiles/file/kefemuraxukesinolidi.pdf
https://www.tristar-technology.com/ckfinder/userfiles/files/xekozoxe.pdf
http://genbreedpublisher.com/files/upfiles/file/13464744819.pdf
http://www.w3.org/1999/02/22-rdf-syntax-ns#
http://purl.org/dc/elements/1.1/

Embedded domains

feedproxy.google.com
zegaoyun.com
tomei4x4.jp
consorzio-csa.it
xn--ob0bjxt9h99icicrvkksa421cwwp7hiv4d6a.com
goozzl.com
mediaget.ru
pomelieagency.com
theorientgarden.iorderfoods.com
sakirnoopo.ru
djpress.pl
derfo.info
e5tbr2.alruaa.com
www.fibertech1.com
intelean.com
planao.com
prawobrzeze.info
www.tristar-technology.com
genbreedpublisher.com
www.w3.org
purl.org
ns.adobe.com
khonggiansachhanoi.vn
funagamex.vn
wcdt.co.th

Embedded IP addresses

135.232.92.34
52.110.12.47
4.230.171.124
52.230.59.222
20.165.94.54
4.150.223.114
20.42.65.91
4.150.223.103
72.153.5.139

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report