MALICIOUS — 71a7c6e837dc3bbcb8ba813a32da7c631e5957830f13335f68adf0ba29ff76d4

MALICIOUS — 71a7c6e837dc3bbcb8ba813a32da7c631e5957830f13335f68adf0ba29ff76d4 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100). 4 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

SHA-256: 71a7c6e837dc3bbcb8ba813a32da7c631e5957830f13335f68adf0ba29ff76d4
SHA-1: 1bf531ce1f03e6b287afb67cf31540dd28df951b
MD5: 45de631ebc31cbe946c8cec443cd63fa
ssdeep: 1536:GQVY/7B49M3tmmcc/Lhq06k2f4fDnWxAw9tmq/PgomGbdWapOnvbK:fVYDB49M3tmm/1q06iDIp9tZgo/bOnu
TLSH: T1E538BFF361A7ED5CB6CA9B0379F5117CE08AC6C42222DEA00088B67CD5BC57DBE10A50
Submitted as: 71a7c6e837dc3bbcb8ba813a32da7c631e5957830f13335f68adf0ba29ff76d4
File type: pdf · Size: 79517 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

T1105

Why this verdict

The malicious score of 99/100 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
Contacted 9 external host(s) and 3 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-blob (rule high-entropy-blob) - engine signal, weight 0.35, confidence 0.70
Embedded network infrastructure: http://svsteinfurth.de/radsportfiles/file/retizo.pdf, http://indianspringhomes.net/userfiles/files/fuwenamorizufi.pdf, http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c8ca7bee06---gesebitomutilora.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 (18 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

1175 behavior events · 0 ATT&CK techniques · 1 dropped files.

Runtime network

www.msftconnecttest.com
rb.symcd.com
rb.symcb.com
inference.location.live.net
c.pki.goog
x2.c.lencr.org
ye.c.lencr.org
yr.c.lencr.org
_dosvc._tcp.local
desktop-hsgcbep._dosvc._tcp.local
desktop-hsgcbep(1)._dosvc._tcp.local
desktop-hsgcbep(2)._dosvc._tcp.local
desktop-hsgcbep(3)._dosvc._tcp.local
ntp.ubuntu.com
250.255.255.239.in-addr.arpa
desktop-hsgcbep
http://www.msftconnecttest.com/connecttest.txt
http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
http://rb.symcb.com/rb.crl
http://c.pki.goog/r/r1.crl

Dropped files

root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=alfa+network+awus036nh+driver+windows+7
http://svsteinfurth.de/radsportfiles/file/retizo.pdf
http://indianspringhomes.net/userfiles/files/fuwenamorizufi.pdf
http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c8ca7bee06---gesebitomutilora.pdf
http://maxidmum.com/images/upload/fck/file/maxewus.pdf
http://toyotaprius-custom.com/js/upload/files/sesirazoduwenoxuwonil.pdf
https://fourseasons.events/wp-content/plugins/super-forms/uploads/php/files/7bd4ea576e53a9142de7cfd572634443/43789203890.pdf
https://egyiksem.hu/uploads/file/sexudikisusezovugux.pdf
https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fcaad713bf---30104433957.pdf
https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/160c0e2ca094c1---7238151848.pdf
https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160d628551e1f8---pijopufipukuwegoguga.pdf
http://xn--eyt274i.com/upload/files/turigubezemomixejut.pdf
http://dabaizhongxue.com/upload_fck/file/2021-7-30/20210730203327899585.pdf
https://www.vpn-solutions.com.pe/ckfinder/userfiles/files/11776397350.pdf
http://ekachaiguitarist.com/ckfinder/userfiles/files/nerevomiwijaxato.pdf
http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160bfd190b1fdf---zikebenubifinumetobadovas.pdf
https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/dd25e33d091e3bd4d1ca2e56365a56e0/kimuve.pdf
http://mid-europe-ex.com/44629776226.pdf
http://arohitourandtravels.com/userfiles/file/73925057071.pdf
http://ayurveda-shiatsu-qigong-nice.com/upload/files/sagojixidetevipubujubuzev.pdf
https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097caf5a1c0f---nezodobisirumuwive.pdf
http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f07124a0be---daraxevirasofew.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

feedproxy.google.com
svsteinfurth.de
indianspringhomes.net
www.holderit.com
maxidmum.com
toyotaprius-custom.com
totalyoumovement.com
husvagnsexpo.se
xn--eyt274i.com
dabaizhongxue.com
ekachaiguitarist.com
www.vivelamusica.es
fmpride.com
mid-europe-ex.com
arohitourandtravels.com
ayurveda-shiatsu-qigong-nice.com
www.denisonlandscaping.com
atlantichomeportugal.com
www.w3.org
purl.org
ns.adobe.com
fourseasons.events
egyiksem.hu
rescue.bg
www.vpn-solutions.com.pe

Embedded IP addresses

72.145.35.103
20.42.73.28
4.144.132.114
52.123.252.236
52.110.12.50
4.230.171.124
57.155.101.212
51.132.193.104
72.153.5.141

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report