MALICIOUS — normal_5fb016cf9c5fc.pdf
MALICIOUS — normal_5fb016cf9c5fc.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (97/100). 4 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
45044134baee93539de4030b0ad9e419178ff34d617107d4c9d282703963c377 - SHA-1:
235aa00ce08f1f695ca9a5d21f4f60593bb410d4 - MD5:
d868a4007ad54878c0d0dcd7d605f481 - ssdeep:
1536:QjkmtHU/0vvuGbiYrsbadDbSN8MJEbn+he53bY8uv:6kmtHY0DbuqbQ6n+he53bY/ - TLSH:
T1ED36D0F3515BDD8C778AEB43ADF21059A08FE58869319B20440C3E2CD97C79EAE90951 - Submitted as: normal_5fb016cf9c5fc.pdf
- File type: pdf · Size: 69086 bytes
- Verdict: malicious (97/100)
Detections (4 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- ClamAV (daily): Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 97/100 is the fusion of 7 weighted signals:
- ClamAV (daily) flagged Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 (rule
Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0) - engine signal, weight 0.90, confidence 0.95 - Memory forensics: 4 finding(s), e.g. RWX/private injected region in SumatraPDF.exe (pid 6452) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - Contacted 18 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://trafffe.ru/123?utm_term=eureka+math+module+4+lesson+2+grade+7, https://cdn-cms.f-static.net/uploads/4372076/normal_5fad3cac7b278.pdf, https://mojivimimujovo.weebly.com/uploads/1/3/0/8/130874437/3250b5961ed1.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 (11 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9817 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
- c.pki.goog
- desktop-hsgcbep
- 250.255.255.239.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
- 252.0.0.224.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
- ntp.ubuntu.com
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
01ddc451cb6ca53bfb8d70d4c53bebcf957b86ee7fd45d400235b279f85b1a2a - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\f627cc3763330dc207b56afcc622e459.png -
e0beb91e43c638b1436fcc9fdaa42197bcd78f4210fd9cd5e0f08c5761f6fd2c - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://trafffe.ru/123?utm_term=eureka+math+module+4+lesson+2+grade+7
- https://s3.amazonaws.com/jezaxojipevu/hindi_song_lyrics_download.pdf
- https://cdn-cms.f-static.net/uploads/4372076/normal_5fad3cac7b278.pdf
- https://mojivimimujovo.weebly.com/uploads/1/3/0/8/130874437/3250b5961ed1.pdf
- https://dizugupixaxagoj.weebly.com/uploads/1/3/4/4/134440249/7706840.pdf
- https://cdn-cms.f-static.net/uploads/4390383/normal_5fa0823d4ecb4.pdf
- https://uploads.strikinglycdn.com/files/6f7ed849-332d-4a9f-9942-db2255518e3e/redowigefadox.pdf
- https://uploads.strikinglycdn.com/files/87205efe-57d8-401a-9369-9e2592c13ebc/295492788.pdf
- https://s3.amazonaws.com/saziwijaxodav/google_ab_testing_platform.pdf
- https://uploads.strikinglycdn.com/files/b529b8a6-b6b4-46a7-a875-b52b84cb5a42/getegilufifasixiwiripoza.pdf
- https://s3.amazonaws.com/sivanira/spherical_astronomy_book.pdf
- https://cdn-cms.f-static.net/uploads/4367312/normal_5f8819c249e56.pdf
- https://cdn-cms.f-static.net/uploads/4371553/normal_5faa5b2bbee6e.pdf
- https://cdn-cms.f-static.net/uploads/4372373/normal_5f9c97c103628.pdf
- https://uploads.strikinglycdn.com/files/8e1930a2-faa7-4488-b84b-d19211126c67/wizuvazamisutedajosa.pdf
- https://uploads.strikinglycdn.com/files/8ed70a5a-1855-4f1e-8fbb-00ca60b9250f/jufidadorunijizulesola.pdf
- https://s3.amazonaws.com/jiwisigetizoxif/frog_life_cycle_printable.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
Embedded domains
- trafffe.ru
- s3.amazonaws.com
- cdn-cms.f-static.net
- mojivimimujovo.weebly.com
- dizugupixaxagoj.weebly.com
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 85.210.196.11
- 51.116.246.105
- 52.123.252.193
- 4.247.188.224
- 4.230.171.124
- 52.168.117.171
- 52.123.252.247
- 20.165.94.46
- 72.153.5.141
- 52.123.128.14
- 203.26.79.13
- 20.184.175.2
- 135.234.160.246
- 74.179.77.204
- 162.159.142.9
- 135.232.92.34
- 172.217.25.163
- 57.155.101.212
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report