MALICIOUS — 7821468.pdf
MALICIOUS — 7821468.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100). 4 of 50 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
bab176d05af62705808b4e25c5e8dc0700f87cc9707d9ed6e2e876896df3dc6a - SHA-1:
733cbd235a474c05fb396c878bb10a47640882b3 - MD5:
ae4ca3b405460c6b6645f6e0e92936d0 - ssdeep:
1536:WhldY2a/d671WDnoljjgDxP1YWzdG1HSWPF8dvV9DcotoEy9kQoxNK4o+6g8N:Of8/d671eCjjYH5A1HSaEvV94oC9/lN - TLSH:
T16736D0F361CBED8CBE9D5B43B5B6191DB649C58C66338AA410867B6CC0B876DED20C10 - Submitted as: 7821468.pdf
- File type: pdf · Size: 68279 bytes
- Verdict: malicious (99/100)
Detections (4 of 50 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- ClamAV (daily): Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 8 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
- Contacted 31 external host(s) at runtime (3 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://trafffe.ru/wb?keyword=manualidades%20halloween%202019, https://kelobutino.weebly.com/uploads/1/3/0/9/130969458/noletubupawozix.pdf, https://cdn-cms.f-static.net/uploads/4369632/normal_5f96707538590.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 (10 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9838 behavior events · 1 ATT&CK techniques · 4 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- searchapp.bundleassets.example
- to-do.office.com
- ntp.ubuntu.com
- 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
- 250.255.255.239.in-addr.arpa
- desktop-hsgcbep
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- 192.168.122.114
- 23.40.52.209
- 23.11.37.157
- 20.184.175.17 US · San Jose · AS8075 Microsoft Corporation
Dropped files
- /opt/CAPEv2/storage/analyses/25388/files/26f8556582b18dcb935932e50df01b4843b1070739f3f09d3f5e79c414ec6e65 -
26f8556582b18dcb935932e50df01b4843b1070739f3f09d3f5e79c414ec6e65 - /opt/CAPEv2/storage/analyses/25388/files/f5bdb302f3b9f9433f5beb194898f9293b91a608e80b4fc6f78ff28aabf24ee8 -
f5bdb302f3b9f9433f5beb194898f9293b91a608e80b4fc6f78ff28aabf24ee8 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7 - tmp_tmp.IJmAULNbfb -
8b495bc97ee3e25973c2e945c809a8e2e39a046476538dd5ce5a07c4cbb4a150
Embedded URLs
- https://trafffe.ru/wb?keyword=manualidades%20halloween%202019
- https://s3.amazonaws.com/limewub/mouse_brain_atlas.pdf
- https://kelobutino.weebly.com/uploads/1/3/0/9/130969458/noletubupawozix.pdf
- https://cdn-cms.f-static.net/uploads/4369632/normal_5f96707538590.pdf
- https://kujuxase.weebly.com/uploads/1/3/4/5/134584075/jujebozazisa-lilog.pdf
- https://xunowarusaki.weebly.com/uploads/1/3/4/3/134371630/b4002149d6d.pdf
- https://xigeworimejol.weebly.com/uploads/1/3/1/4/131483719/lusabajutikojux_fodeg.pdf
- https://sewuvemap.weebly.com/uploads/1/3/4/3/134377394/togij.pdf
- https://pezitojuxesuvog.weebly.com/uploads/1/3/4/6/134608136/bulib_vezakaxewig_saper.pdf
- https://cdn-cms.f-static.net/uploads/4417986/normal_5f9a478f27ecb.pdf
- https://sorimuzumetig.weebly.com/uploads/1/3/4/5/134519591/fiwadalejilamo_paxuzijaxar_mawamulurati_jagoziwizukuwux.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
Embedded domains
- trafffe.ru
- s3.amazonaws.com
- kelobutino.weebly.com
- cdn-cms.f-static.net
- kujuxase.weebly.com
- xunowarusaki.weebly.com
- xigeworimejol.weebly.com
- sewuvemap.weebly.com
- pezitojuxesuvog.weebly.com
- sorimuzumetig.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 135.233.95.144
- 20.184.175.17
- 52.123.252.202
- 52.110.12.52
- 20.165.94.46
- 172.178.240.162
- 20.231.239.246
- 20.247.184.197
- 85.210.193.152
- 74.178.76.128
- 162.159.36.2
- 149.154.164.24
- 203.26.79.13
- 149.154.167.99
- 4.230.171.124
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report