MALICIOUS — ca710ab8dee.pdf
MALICIOUS — ca710ab8dee.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100). 2 of 50 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
77ab351c0347b6be791239c8efe9397fcc60e37b9280d02e25e3d41280af6e0b - SHA-1:
d4a39ee36256169ae44d1e3d05de8744aef1e8fd - MD5:
ce3dc6ce7cc5661cc063fd257f634e51 - ssdeep:
768:2gGzpDcpSHFYIs2zcSnQ5DSUs2tF2TjlTmzyl:jGFIphEIyQo2t2lmzyl - TLSH:
T176308DF31097FD8C7A8A9F53AEAB10AD6086D28C6133D261158C777CC8B86FC6E00951 - Submitted as: ca710ab8dee.pdf
- File type: pdf · Size: 36481 bytes
- Verdict: malicious (96/100)
Detections (2 of 50 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
MITRE ATT&CK
Why this verdict
The malicious score of 96/100 is the fusion of 8 weighted signals:
- 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://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/linurigaruxox.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 48 external host(s) at runtime (7 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://ggtraff.ru/wb?keyword=netcad%20viewer%20windows%2010, https://site-1038541.mozfiles.com/files/1038541/1293728139.pdf, https://site-1040251.mozfiles.com/files/1040251/bosajuxegevosem.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 (18 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9625 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
- 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
- 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
- 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
- ntp.ubuntu.com
- 252.0.0.224.in-addr.arpa
- 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/2cbcf400-ac8d-4d86-9d69-c7f0dff56d2e/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Dropped files
- /opt/CAPEv2/storage/analyses/31732/files/1a98ecb3549f0c9e76bbfc4a42c91f43113358e89c3a88ac6aea02708274bdad -
1a98ecb3549f0c9e76bbfc4a42c91f43113358e89c3a88ac6aea02708274bdad - /opt/CAPEv2/storage/analyses/31732/files/a57835c563c178a247f61df7d0bba769ea72cf95606d3851b5bc67daf4595953 -
a57835c563c178a247f61df7d0bba769ea72cf95606d3851b5bc67daf4595953 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7 - tmp_tmp.LhLVlABmUD -
5b6781ad6390bd3232cf42dc914e4dc260169f31d494c39ca43761ae29204966
Embedded URLs
- https://ggtraff.ru/wb?keyword=netcad%20viewer%20windows%2010
- https://site-1038541.mozfiles.com/files/1038541/1293728139.pdf
- https://site-1040251.mozfiles.com/files/1040251/bosajuxegevosem.pdf
- https://site-1038572.mozfiles.com/files/1038572/kesojag.pdf
- https://vozunutav.weebly.com/uploads/1/3/0/9/130969695/3063209.pdf
- https://zimiduninu.weebly.com/uploads/1/3/1/6/131637103/7339347.pdf
- https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/linurigaruxox.pdf
- https://liwifaxuje.weebly.com/uploads/1/3/0/8/130874244/3021846.pdf
- https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/dbbd04.pdf
- https://papunagaku.weebly.com/uploads/1/3/1/3/131384156/26889b6af38a0.pdf
- https://pepotoxuxomupav.weebly.com/uploads/1/3/1/4/131483830/1d256cab909.pdf
- https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/tugunari_fogeze_nezejavoz.pdf
- https://cdn.shopify.com/s/files/1/0268/7320/0823/files/james_parkhurst_newport_bay_hospital.pdf
- https://cdn.shopify.com/s/files/1/0497/5109/7508/files/zelilegekanilajogedula.pdf
- https://cdn.shopify.com/s/files/1/0431/8792/9249/files/71109833194.pdf
- https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/wovexofek.pdf
- https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/nesubine.pdf
- https://viweposedijul.weebly.com/uploads/1/3/1/0/131070314/472663.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
Embedded domains
- ggtraff.ru
- site-1038541.mozfiles.com
- site-1040251.mozfiles.com
- site-1038572.mozfiles.com
- vozunutav.weebly.com
- zimiduninu.weebly.com
- fijojonibiw.weebly.com
- liwifaxuje.weebly.com
- bedizegoresupa.weebly.com
- papunagaku.weebly.com
- pepotoxuxomupav.weebly.com
- guwomenod.weebly.com
- cdn.shopify.com
- jawasolasazilem.weebly.com
- gimejexoxixaza.weebly.com
- viweposedijul.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 135.232.92.34
- 20.184.175.12
- 104.208.16.94
- 135.232.92.137
- 40.84.97.4
- 20.184.175.21
- 20.42.73.30
- 52.110.12.48
- 52.110.12.37
- 172.215.188.232
- 4.230.171.124
- 20.247.185.124
- 20.165.94.54
- 20.112.250.133
- 52.123.128.14
- 135.233.45.223
- 74.178.76.44
- 72.153.5.63
- 203.26.79.13
- 52.123.252.236
- 135.233.95.144
- 4.150.223.105
- 172.175.111.170
- 52.148.114.188
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report