MALICIOUS — 76194233686.pdf
MALICIOUS — 76194233686.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (86/100). 2 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
c52486534c38fa545e1db689ef9445b86a154bc667b7dab53062a0f3ac519e6e - SHA-1:
b72e5d93389997f7145e5180c196f4374dd2bf86 - MD5:
0bdd263aeab7625592f65bd4d29805d6 - ssdeep:
768:vgGzpDYphqAB2gBlM0SbqRdLmGmRmnZJ4Ll9rtM5FPtiizlAmj:YGF0phxB3LdLm/RS29reVlAmj - TLSH:
T1A431ADF35947EC4C7A87AB03ECE621551049C388A132A7208DC8777DC9BC6FD6E60962 - Submitted as: 76194233686.pdf
- File type: pdf · Size: 43071 bytes
- Verdict: malicious (86/100)
Detections (2 of 53 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 86/100 is the fusion of 7 weighted signals:
- Memory forensics: 3 finding(s), e.g. RWX/private injected region in SumatraPDF.exe (pid 4612) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - Contacted 23 external host(s) at runtime (30 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/d3203376-f2ae-40f6-8ec6-2ba2bd013fb2/45139864761.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://gettraff.ru/strik?keyword=split+pdf+documents+into+separate+pages, https://uploads.strikinglycdn.com/files/d3203376-f2ae-40f6-8ec6-2ba2bd013fb2/45139864761.pdf, https://uploads.strikinglycdn.com/files/ef580afe-eea1-4b7c-8aa0-ac8e12199ebb/nizitokizad.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 (8 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
8703 behavior events · 0 ATT&CK techniques · 2 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
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- licensing.mp.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
4c86fd552418f32cb40cabcdba142a224e19fdbe45bf5d2106bcb06002ed5336 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\1cb82f00f3af9a048a68617e7810439b.png -
e679dd1a5a26a7e214eb474dd54311f0d6148d224da5fafe14697e76e7a545c2
Embedded URLs
- https://gettraff.ru/strik?keyword=split+pdf+documents+into+separate+pages
- https://uploads.strikinglycdn.com/files/d3203376-f2ae-40f6-8ec6-2ba2bd013fb2/45139864761.pdf
- https://uploads.strikinglycdn.com/files/ef580afe-eea1-4b7c-8aa0-ac8e12199ebb/nizitokizad.pdf
- https://uploads.strikinglycdn.com/files/2a0ed877-2528-497a-9479-4da9e1049611/62454967345.pdf
- https://uploads.strikinglycdn.com/files/2a4edc79-5a85-4490-bce3-5117bfd98e8a/zofogefovurizosow.pdf
- https://uploads.strikinglycdn.com/files/a5bca6ab-e0a4-43c1-ad34-92c4da0e567d/16727195475.pdf
- https://cdn.shopify.com/s/files/1/0484/4784/8602/files/59813626783.pdf
- https://cdn.shopify.com/s/files/1/0430/7035/7661/files/diehard_fully_automatic_battery_charger_manual.pdf
- https://cdn.shopify.com/s/files/1/0483/9424/0151/files/2016_ap_gov_frq_answers.pdf
- https://site-1038343.mozfiles.com/files/1038343/zojudoviledotovudejadugo.pdf
- https://site-1036929.mozfiles.com/files/1036929/73384789001.pdf
- https://cdn.shopify.com/s/files/1/0483/5852/3031/files/the_interlopers_theme_and_setting_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0437/5802/6903/files/jinen.pdf
- https://cdn.shopify.com/s/files/1/0479/6629/0076/files/excel_vba_for_dummies_5th_edition.pdf
- https://cdn.shopify.com/s/files/1/0465/0077/4046/files/nunatexuk.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
- http://203.26.79.13/filestreamingservice//files/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Embedded domains
- gettraff.ru
- uploads.strikinglycdn.com
- cdn.shopify.com
- site-1038343.mozfiles.com
- site-1036929.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 203.26.79.13
- 4.150.223.111
- 74.179.71.159
- 4.149.160.182
- 57.155.101.212
- 4.230.171.124
- 135.233.95.144
- 74.178.240.51
- 51.116.253.168
- 52.123.129.14
- 20.76.201.171
- 40.99.134.18
- 52.123.252.225
- 52.123.252.193
- 172.178.240.162
- 92.223.78.30
- 52.148.114.188
- 72.154.7.99
- 20.184.175.7
- 48.199.12.1
- 172.217.25.163
- 52.110.12.11
- 52.110.12.31
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report