MALICIOUS — 38bf1f_b745554a2f494696a1ab5774a1d7eb10.pdf
MALICIOUS — 38bf1f_b745554a2f494696a1ab5774a1d7eb10.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (95/100). 5 of 50 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
d484e51c545172e74fa7b90de81541648a425cf891cd3ac62c31eadbf6c6b6d8 - SHA-1:
f80b95b24ffc0e5ef2b823705cf46697d1dfffd6 - MD5:
41efd1a7df3171cd34fccaec14032f9c - ssdeep:
1536:ISyxZcWEcTM4KZMLJaeswYH/c42jK8MycMF5nxv3Ee3AOZT8ajdOWMkC5ESL:ScIOevPh3r5xvUenZTMkC5n - TLSH:
T18338D0F36097CD8CBC9FAF533D665AACA18DE78961329A504888B61DC8FC36D6D10D40 - Submitted as: 38bf1f_b745554a2f494696a1ab5774a1d7eb10.pdf
- File type: pdf · Size: 82986 bytes
- Verdict: malicious (95/100)
Detections (5 of 50 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!41EFD1A7DF31
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 95/100 is the fusion of 8 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 suspicious by URL analysis: https://vejejalerejoji.weebly.com/uploads/1/3/4/6/134600164/zesevololen.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://kuzutuzo.ru/wix?keyword=kenmore+washer+model+110+parts+list, https://vejejalerejoji.weebly.com/uploads/1/3/4/6/134600164/zesevololen.pdf, http://bupro.asia/ms_word_table_practical_exercisesfjvrq.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
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90 - Contacted 13 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
- Extracted generic config (17 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9697 behavior events · 1 ATT&CK techniques · 3 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- searchapp.bundleassets.example
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- inference.location.live.net
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- 252.0.0.224.in-addr.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
- desktop-hsgcbep
- ntp.ubuntu.com
- 250.255.255.239.in-addr.arpa
- 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
- desktop-hsgcbep._dosvc._tcp.local
- desktop-hsgcbep(1)._dosvc._tcp.local
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\91208e030b0d33b905b69b5d81c16bc8.png -
aafcee49e8616b9cf5653c9e1a4d62f410a7f3f7bb95b85a8a61c8fea9120eb2 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
5e14200f5ebdef51be39b773fe5288c67d2383480c3bfc131503dfa2c2d7c4bc - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://kuzutuzo.ru/wix?keyword=kenmore+washer+model+110+parts+list
- https://vejejalerejoji.weebly.com/uploads/1/3/4/6/134600164/zesevololen.pdf
- http://bupro.asia/ms_word_table_practical_exercisesfjvrq.pdf
- https://kosonijuzar.weebly.com/uploads/1/3/5/9/135974682/4530805.pdf
- https://uploads.strikinglycdn.com/files/577c8ebb-3e9a-4f1b-a7ec-3b3bc729ed01/jim_butcher_dresden_files_book_17.pdf
- https://vefamomapebimid.weebly.com/uploads/1/3/1/4/131406391/loden-logigelogelofa-wexopulojotek-teguwerunomo.pdf
- https://cdn-cms.f-static.net/uploads/4410020/normal_6013cc8ba164f.pdf
- https://uploads.strikinglycdn.com/files/86c4d9ad-0893-4242-ad20-c18aae4cfe99/82480595773.pdf
- http://form-copyrightservices.com/using_conjunctions_worksheet_year_2pp34p.pdf
- http://okclub.org/dr_zhivago_novelelf5t.pdf
- https://cdn-cms.f-static.net/uploads/4456687/normal_605b194bcef81.pdf
- https://cdn-cms.f-static.net/uploads/4416805/normal_6017bfe6a2165.pdf
- https://static.s123-cdn-static.com/uploads/4473023/normal_5ffd52201e2d0.pdf
- https://s3.amazonaws.com/girilifawuxi/baal_veer_video_hd_mp4.pdf
- http://byt-upak.ru/kofelodonizipuporugatogovk4arb.pdf
- https://cdn-cms.f-static.net/uploads/4496148/normal_6054b4fda801e.pdf
- https://s3.amazonaws.com/bezegoluzose/emergency_reporting_ultra_secure_login.pdf
- https://s3.amazonaws.com/sorogamat/omron_body_composition_monitor_bf511_review.pdf
- https://xasigali.weebly.com/uploads/1/3/4/3/134363336/0b682632ce.pdf
- https://cdn-cms.f-static.net/uploads/4388424/normal_602050836aad4.pdf
- https://cdn-cms.f-static.net/uploads/4463002/normal_6011e4afd0e35.pdf
- https://cdn-cms.f-static.net/uploads/4367617/normal_6038e9e93a383.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
- kuzutuzo.ru
- vejejalerejoji.weebly.com
- bupro.asia
- kosonijuzar.weebly.com
- uploads.strikinglycdn.com
- vefamomapebimid.weebly.com
- cdn-cms.f-static.net
- form-copyrightservices.com
- okclub.org
- static.s123-cdn-static.com
- s3.amazonaws.com
- byt-upak.ru
- xasigali.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 4.247.188.233
- 52.110.12.53
- 20.42.179.204
- 92.223.78.30
- 4.150.223.99
- 20.231.239.246
- 52.123.128.14
- 52.168.117.170
- 74.178.240.51
- 74.178.76.128
- 52.230.60.54
- 20.89.1.9
- 4.230.171.124
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report