MALICIOUS — normal_5fc1a04335056.pdf

MALICIOUS — normal_5fc1a04335056.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 4 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

SHA-256: 6e386c3840f903f5b77372a2ebd2ae9fbdeb25c63c8d50e4c185c783dbb127ad
SHA-1: 800e4bdd370bbe5aa4e4f85854204ac610ad93a3
MD5: a67c4d8c86d9d88d6062076369f62a4a
ssdeep: 1536:WpGDd1bIj6UZbOMa8Ub72L9UfRtCV6ol62WJw+j/:3MWUoL+xDV6olHWJd/
TLSH: T12537CFF3A08FEE8E7447AB53A97A645C2045D3C830519B641085BA7CC9B86BD6F71F02
Submitted as: normal_5fc1a04335056.pdf
File type: pdf · Size: 73043 bytes
Verdict: malicious (98/100)

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 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/a971d84a-2026-44cb-921b-00a882a351cf/101_dog_tricks_free_download.pdf - network signal, weight 0.70, confidence 0.80
Contacted 15 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
Embedded network infrastructure: https://gettraff.ru/123?utm_term=activity+1.2+4+circuit+calculations+answer+key, https://uploads.strikinglycdn.com/files/a971d84a-2026-44cb-921b-00a882a351cf/101_dog_tricks_free_download.pdf, https://uploads.strikinglycdn.com/files/b7cb8fc3-7ef8-4347-8653-86122896700c/39187333527.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 (10 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

9946 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
desktop-hsgcbep
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
250.255.255.239.in-addr.arpa
desktop-hsgcbep._dosvc._tcp.local
ntp.ubuntu.com
desktop-hsgcbep(1)._dosvc._tcp.local
http://www.msftconnecttest.com/connecttest.txt

Dropped files

C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\6bf9c122973c46f499fb1236689eb2ff.png - 4b4a213d6a00a561ca06c71bef2524ff3ddb8e0966c0fc736b59ba94910a8725
C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - e3bf36658f9f7dd725ab1ab08e20a56f6e5f88aaf5ff07baefac69fd68573beb
root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

https://gettraff.ru/123?utm_term=activity+1.2+4+circuit+calculations+answer+key
https://uploads.strikinglycdn.com/files/a971d84a-2026-44cb-921b-00a882a351cf/101_dog_tricks_free_download.pdf
https://uploads.strikinglycdn.com/files/b7cb8fc3-7ef8-4347-8653-86122896700c/39187333527.pdf
https://uploads.strikinglycdn.com/files/a37672e2-bf25-4695-ad88-c31eab973642/85758072882.pdf
https://uploads.strikinglycdn.com/files/56e9de4b-b949-4818-ba67-05faa97e357c/pajaxo.pdf
https://uploads.strikinglycdn.com/files/b2bd872d-f63f-4ba5-8224-4d60aac6cc42/14434415583.pdf
https://uploads.strikinglycdn.com/files/81dde6bd-b18e-4a87-ac29-19ae69026458/tagipegasakiloriw.pdf
https://xalipifizipig.weebly.com/uploads/1/3/1/3/131379045/13242.pdf
https://uploads.strikinglycdn.com/files/1e88f5f8-6683-4a5e-82be-71fa87d20ff5/jane_adams_naked.pdf
https://cdn-cms.f-static.net/uploads/4454047/normal_5fbbb76dc2d2a.pdf
https://uploads.strikinglycdn.com/files/d62ca5ee-6291-4ec9-8fde-7b125bbcf05b/fazokelomofur.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/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787733803&P2=404&P3=2&P4=j4%2fgcHVGKhZz80RTUfb6Pb5GaWIl0Cn4jiZHPak6w7KeEy5gBIc3B88hnwM6g8skbuia%2f7j0%2bGhEYMeOW0mi8Q%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787733881&P2=404&P3=2&P4=ILm14SvAwJocEWePGx17jQlK96IkCVTZiWCHzCWPBWXDgmc7CIM3TaDU0h70x85MmxLAsifpusE5YLwehmIiEg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com

Embedded domains

gettraff.ru
uploads.strikinglycdn.com
xalipifizipig.weebly.com
cdn-cms.f-static.net
www.w3.org
purl.org
ns.adobe.com

Embedded IP addresses

20.247.184.142
52.110.12.51
52.110.12.32
4.230.171.124
135.232.92.137
52.168.112.67
20.231.239.246
40.99.133.226
4.207.44.77
135.233.95.80
203.26.79.13
85.210.196.11
92.223.78.30
52.148.114.188
135.232.92.34

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report