MALICIOUS — 4b68be_f9728bb5180f44f1b348a90976adda29.pdf
MALICIOUS — 4b68be_f9728bb5180f44f1b348a90976adda29.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100). 5 of 50 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
09b615964b46d86decf50a26a3f9f9f249553fc6c8e277b2be40ec8cdbf8048d - SHA-1:
bc710fbb31ab639e433486d70c533aa57afd9422 - MD5:
aade5b1691e9be08534ccc5c1673214b - ssdeep:
1536:KlkUd/pEq59lFoFPJg8WMd4ZYRStQ+JEKpHimNZtAbW6ELAqy5QYKZSmL3gjjn/Z:OD9lFot61iRSqKpCmNZibW6ELQ6VSegB - TLSH:
T13D39C0F3109BDD8C6B8E6B47EEB71548A4C6D7897137EBA440C9720CC46C27D6E20A41 - Submitted as: 4b68be_f9728bb5180f44f1b348a90976adda29.pdf
- File type: pdf · Size: 86437 bytes
- Verdict: malicious (99/100)
Detections (5 of 50 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- ClamAV (daily): Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Trellix Stinger (McAfee): PDF/Phish-FAB!AADE5B1691E9
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 9 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 - Dropped a malicious payload (Lazarus): root_.cache_dconf_user - dynamic signal, weight 0.80, confidence 0.90
- Embedded link rated malicious by URL analysis: https://static.s123-cdn-static.com/uploads/4406809/normal_6001f4378372d.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 32 external host(s) at runtime (7 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://seumenha.ru/wix?keyword=reminder+email+sample+to+boss, https://static.s123-cdn-static.com/uploads/4406809/normal_6001f4378372d.pdf, http://coolmag.biz/the_education_of_little_tree_audiobook_reddit9rulf.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 - Extracted generic config (15 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9902 behavior events · 1 ATT&CK techniques · 4 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
- 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
- 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
- 79.243.254.169.in-addr.arpa
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
Dropped files
- /opt/CAPEv2/storage/analyses/31317/files/7dbab834b96c2189271e6df14475d9b50f4d15e961f21e2144df99c6b682ab90 -
7dbab834b96c2189271e6df14475d9b50f4d15e961f21e2144df99c6b682ab90 - /opt/CAPEv2/storage/analyses/31317/files/9e84ede001ad77a570eefdfcf48167bf91b3a2cc66ec3248ef070e887ad6e0db -
9e84ede001ad77a570eefdfcf48167bf91b3a2cc66ec3248ef070e887ad6e0db - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7 - tmp_tmp.wCHoFQxSI5 -
5e0567795c19c76ddf6db9dc8200e9ea6983f615bd838c4738a6265ddaa50c9e
Embedded URLs
- https://seumenha.ru/wix?keyword=reminder+email+sample+to+boss
- https://static.s123-cdn-static.com/uploads/4406809/normal_6001f4378372d.pdf
- http://coolmag.biz/the_education_of_little_tree_audiobook_reddit9rulf.pdf
- http://lesantyqas.online/rockstar_event_managementa23ji.pdf
- https://s3.amazonaws.com/gomakobez/communication_and_interpersonal_skills_interview_answers.pdf
- https://zorivaleguzovul.weebly.com/uploads/1/3/4/5/134596353/3514869.pdf
- https://c788b29d-df2d-4d46-9946-349e8cce89b7.filesusr.com/ugd/a9e086_c09704b838c54f7594bf86943f88be17.pdf?index=true
- https://0306adf0-382e-42f1-903d-71c3961c97f1.filesusr.com/ugd/7ff653_11ab34acb0f740d0a7abd75064d5e003.pdf?index=true
- http://grizhoff.ru/benakazakewjnd0p.pdf
- https://static.s123-cdn-static.com/uploads/4466679/normal_5fdda1f45d8f4.pdf
- https://ramilelajebow.weebly.com/uploads/1/3/4/6/134647205/edcd756dbc09a.pdf
- https://s3.amazonaws.com/kefodek/spongebob_wallpaper_free.pdf
- https://s3.amazonaws.com/lijopavexanuse/87037506038.pdf
- https://s3.amazonaws.com/wezukep/sotoguroda.pdf
- https://kuludiliwalu.weebly.com/uploads/1/3/4/4/134484861/cf70e05f.pdf
- https://s3.amazonaws.com/paxunu/sozuzemu.pdf
- https://static.s123-cdn-static.com/uploads/4454550/normal_5fee394e8f0dd.pdf
- https://a68e2ff5-bf17-48e3-82d4-ceb975b85758.filesusr.com/ugd/760101_575a2241d624449889afa088b86881e2.pdf?index=true
- http://theplafond.xyz/meguverimorugoputofatujo9alxx.pdf
- http://liolika-rsya.ru/bitepomily2ksv.pdf
- https://cdn-cms.f-static.net/uploads/4464065/normal_601c605859699.pdf
- https://s3.amazonaws.com/fojaxexino/java_decimalformat_example_exponent.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
- seumenha.ru
- static.s123-cdn-static.com
- coolmag.biz
- lesantyqas.online
- s3.amazonaws.com
- zorivaleguzovul.weebly.com
- c788b29d-df2d-4d46-9946-349e8cce89b7.filesusr.com
- 0306adf0-382e-42f1-903d-71c3961c97f1.filesusr.com
- grizhoff.ru
- ramilelajebow.weebly.com
- kuludiliwalu.weebly.com
- a68e2ff5-bf17-48e3-82d4-ceb975b85758.filesusr.com
- theplafond.xyz
- liolika-rsya.ru
- cdn-cms.f-static.net
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 135.233.95.80
- 162.159.142.9
- 4.207.44.76
- 125.56.205.17
- 52.110.12.8
- 57.155.101.212
- 4.230.171.124
- 125.56.205.42
- 74.178.76.54
- 135.233.95.144
- 52.123.129.14
- 4.247.188.224
- 74.178.232.29
- 203.26.79.13
- 135.233.45.222
- 172.170.180.133
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report