MALICIOUS — e959b1e9ff1a0f621451ef815ced45cc35324ff2219f4080e219d8b05b4fbeff

MALICIOUS — e959b1e9ff1a0f621451ef815ced45cc35324ff2219f4080e219d8b05b4fbeff is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 5 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

SHA-256: e959b1e9ff1a0f621451ef815ced45cc35324ff2219f4080e219d8b05b4fbeff
SHA-1: 3c18518643940b6603acaa5362d3376c7ea28753
MD5: 16a6a4e44b9b269a53ceca05ab741e40
ssdeep: 1536:SmseLk3g+JzNjT+1SBAv452F05cy6fUS/NwCzUTs70Tp2Xttnkpdc9l:5jY3gelT+1WpcbUSFF70l2X7Id+
TLSH: T1A038D0F37297DE8C7A832B4364B7645C680AD34CB5736AA0508C766CC4B83ADAF50953
Submitted as: e959b1e9ff1a0f621451ef815ced45cc35324ff2219f4080e219d8b05b4fbeff
File type: pdf · Size: 79847 bytes
Verdict: malicious (98/100)

Detections (5 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
Trellix Stinger (McAfee): PDF/Phish-FAB!16A6A4E44B9B
Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

Why this verdict

The malicious score of 98/100 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
Embedded link rated malicious by URL analysis: https://uploads.strikinglycdn.com/files/b7c21c09-2bac-4ccb-80c4-6249efe4dee6/afterburn_aftershock_sylvia_day_goodreads.pdf - network signal, weight 0.70, confidence 0.80
Contacted 19 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
Embedded network infrastructure: https://yafferge.ru/123?utm_term=anabolisme+fotosintesis+pdf, http://wuwolufit.pbworks.com/w/file/fetch/145103076/67278008374.pdf, https://cdn-cms.f-static.net/uploads/4470681/normal_6052b23a52e24.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 (13 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

9833 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
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
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
252.0.0.224.in-addr.arpa
ntp.ubuntu.com
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/fa5c4269-9d03-4a47-8d97-be6931f0b22c/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com

Dropped files

C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - d0868f34b7a9e7e25d57d66ed0509bbfce29f521011520ecbf960e79b159bc2f
C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\91e9b32d2e243d5d41bfecc837294ae6.png - 2a6ae4b6484f988857250afa49c913f219432964cd48b82f1e7bc043791a4b6f
root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

https://yafferge.ru/123?utm_term=anabolisme+fotosintesis+pdf
http://wuwolufit.pbworks.com/w/file/fetch/145103076/67278008374.pdf
https://cdn-cms.f-static.net/uploads/4470681/normal_6052b23a52e24.pdf
https://uploads.strikinglycdn.com/files/b7c21c09-2bac-4ccb-80c4-6249efe4dee6/afterburn_aftershock_sylvia_day_goodreads.pdf
http://kefatezalix.pbworks.com/f/46771355535.pdf
http://zeranagaro.pbworks.com/w/file/fetch/144677589/green_card_interview_questions_2019.pdf
http://febigadeviti.pbworks.com/w/file/fetch/145115091/best_screen_and_internal_audio_recorder_for_android.pdf
https://uploads.strikinglycdn.com/files/ca046b11-447e-4f2f-8a0b-208b675bb878/78907077646.pdf
https://fekanefitogi.weebly.com/uploads/1/3/4/3/134340372/4b929.pdf
https://cdn-cms.f-static.net/uploads/4502436/normal_5fe7be5b68a1d.pdf
https://cdn-cms.f-static.net/uploads/4423780/normal_6020aace0b121.pdf
https://nudetotiba.weebly.com/uploads/1/3/4/8/134872476/mutujolas.pdf
https://uploads.strikinglycdn.com/files/5d0d66cf-827c-4c1c-aba9-bdbb5461be2f/how_to_light_quadra_fire_pellet_stove.pdf
https://static.s123-cdn-static.com/uploads/4466996/normal_5ff8659144ff2.pdf
https://uploads.strikinglycdn.com/files/c81b5130-64a4-4f52-82ce-f22595807214/25654243221.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/fa5c4269-9d03-4a47-8d97-be6931f0b22c/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com

Embedded domains

yafferge.ru
wuwolufit.pbworks.com
cdn-cms.f-static.net
uploads.strikinglycdn.com
kefatezalix.pbworks.com
zeranagaro.pbworks.com
febigadeviti.pbworks.com
fekanefitogi.weebly.com
nudetotiba.weebly.com
static.s123-cdn-static.com
www.w3.org
purl.org
ns.adobe.com

Embedded IP addresses

13.69.109.131
57.155.104.224
92.223.78.30
20.42.73.27
52.110.12.11
40.84.97.4
4.230.171.124
74.178.76.128
20.42.65.94
20.236.44.162
52.123.129.14
40.99.134.18
72.154.7.114
203.26.79.13
20.42.179.204
74.179.77.204
172.175.111.170
20.89.1.9
52.148.114.188

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report