MALICIOUS — 9fc31ecc9b881b4dcf147cb09000bfebeca826b83c50b065860204ec0042e571

MALICIOUS — 9fc31ecc9b881b4dcf147cb09000bfebeca826b83c50b065860204ec0042e571 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: 9fc31ecc9b881b4dcf147cb09000bfebeca826b83c50b065860204ec0042e571
SHA-1: 3d6d89cce85c661238d72f6ce44916f0cde53b84
MD5: 247c127ca01976b9ae8eb10bd199d8e6
ssdeep: 1536:+31aP3tiiFkBzbsrzGQbudJ5o7wPagWcpOydWDLi4D+VVDG3pl+lWjY9:612dbFkBzba7buD5ywParyxVVDG3Glmm
TLSH: T1E538C0F711A7DD9CB7869B073AF7016D708DE2886161DA444088B76C98BC9BDAF10E90
Submitted as: 9fc31ecc9b881b4dcf147cb09000bfebeca826b83c50b065860204ec0042e571
File type: pdf · Size: 77527 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 18 external host(s) and 8 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
Embedded link rated suspicious by URL analysis: https://astoraccessories.com/uploads/ckfinder/files/10226188726.pdf - network signal, weight 0.40, confidence 0.60
Embedded network infrastructure: https://chcial.ru/uplcv?utm_term=transformers+forged+to+fight+game+download, http://hotelbasantresidency.com/uploads/jikufumod.pdf, https://astoraccessories.com/uploads/ckfinder/files/10226188726.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 (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

9644 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
2.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
252.0.0.224.in-addr.arpa
b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
3.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
250.255.255.239.in-addr.arpa
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/9a8a705c-852d-4d18-b32a-ee1d872f4bd9/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com

Dropped files

C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - 6688ed9540106798bce94cc68f3b7271c2eb61a2bd72614cf8a4836aab55e020
C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\7457f359b50f686177408966afd77e5a.png - 6b48cc3d518c80f51506badf663fcd62228c8f284f9b3118ad6750d8b66d547b
root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

https://chcial.ru/uplcv?utm_term=transformers+forged+to+fight+game+download
http://hotelbasantresidency.com/uploads/jikufumod.pdf
https://astoraccessories.com/uploads/ckfinder/files/10226188726.pdf
https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/e9fvdot22uqce9j5l5pg4vblus/58705744781.pdf
https://haruhonpo.com/upload/haruhonpo/files/93359912303.pdf
http://jshanwoo.com/ckfinder/userfiles/files/66746844198.pdf
https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/c570a3542c257c4a0765d3ccdcf45491/nizuxutiguwul.pdf
http://snft.ro/media/file/12572975855.pdf
https://systematix.pl/userfiles/file/mazexufojapixajiwa.pdf
https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613da302dbc8a---92504743990.pdf
http://archissimo.eu/userfiles/files/25148341457.pdf
http://misosmile.com/upload/editor/files/66815381397.pdf
http://agataklimowska.pl/userfiles/file/36664929165.pdf
http://zatuchlina.cz/upload/file/naxuse.pdf
https://mimpishio2bet.com/contents/files/woxizonezogavi.pdf
https://earthchallenge.be/sites/default/imageuser/file/wasorufivigu.pdf
http://poltinka.ru/userfiles/file/mevisiwire.pdf
https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613460b031b06---tibewa.pdf
http://cyklo-sport-servis.cz/UserFiles/File/bikekukagisitubaliz.pdf
https://thibiditrading.com/public/userupload/files/bepifobikuzapisep.pdf
https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/epc93a91a5aatg393vnu99heac/wuvupewalu.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/

Embedded domains

chcial.ru
hotelbasantresidency.com
astoraccessories.com
www.businesswatchguardingservices.co.uk
haruhonpo.com
jshanwoo.com
stewsites.com
systematix.pl
christianboudreau.com
archissimo.eu
misosmile.com
agataklimowska.pl
mimpishio2bet.com
earthchallenge.be
poltinka.ru
creativesilhouettes.ca
thibiditrading.com
thewentworthco.com
www.w3.org
purl.org
ns.adobe.com
snft.ro
zatuchlina.cz
cyklo-sport-servis.cz

Embedded IP addresses

48.211.4.16
20.42.179.204
172.172.255.216
74.178.76.128
52.110.12.18
52.110.12.24
57.155.104.224
4.230.171.124
20.165.94.46
203.26.79.13
135.233.95.144
20.42.73.25
74.178.240.61
52.123.129.14
40.99.134.18
104.208.16.94
48.192.143.121
52.168.117.168

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report