MALICIOUS — normal_5f87051cc2a75.pdf
MALICIOUS — normal_5f87051cc2a75.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (72/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
796e4c5b3a2b338650d8341554161cd93c5e27a09c63a09ec63791599a2a0b31 - SHA-1:
dbfaebd7e5eaab600bfb4de528c3308c68dbf24e - MD5:
2cf93cb4088679287c906b61f35e736d - ssdeep:
768:PgGzpDYpuM7YlnXfcsvi2u0inIjb0XoKX4Ix:4GFcpN7YlnnQCbmoKX4Ix - TLSH:
T1CE317DF34097ED8CBA8BAF07AEB71159608AC7896136C7904449772CC5BCAFD6F00A51 - Submitted as: normal_5f87051cc2a75.pdf
- File type: pdf · Size: 42733 bytes
- Verdict: malicious (72/100)
Detections (3 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Kaspersky (KVRT): HEUR:Trojan.Script.Generic
MITRE ATT&CK
Why this verdict
The malicious score of 72/100 is the fusion of 6 weighted signals:
- Contacted 15 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/7ede2d82-6488-4228-b46b-532ff9ef5140/rimiboxubedavetasawuv.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/123?keyword=algoritmi+in+c%252B%252B+sedgewick+pdf, https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/fibaxizimudez.pdf, https://gevafitasib.weebly.com/uploads/1/3/1/3/131380901/1429013.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)
9769 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
- 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
- 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
- ntp.ubuntu.com
- 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
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
f38afb5d30c9bf64259ec426a8a88c439b67fa77ba8f60800e1db36af8cb9a11 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\231cb06d6656056b0a9a50ea533f4b8e.png -
2f89370f2c46778c38943bafd4070a8dee319e161d709fade411d7063406fe09 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=algoritmi+in+c%252B%252B+sedgewick+pdf
- https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/fibaxizimudez.pdf
- https://gevafitasib.weebly.com/uploads/1/3/1/3/131380901/1429013.pdf
- https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/3cb113af6.pdf
- https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/3722212.pdf
- https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/vaxukekiwurefebe.pdf
- https://uploads.strikinglycdn.com/files/7ede2d82-6488-4228-b46b-532ff9ef5140/rimiboxubedavetasawuv.pdf
- https://cdn.shopify.com/s/files/1/0499/8420/9056/files/muvewabepusixijizer.pdf
- https://cdn.shopify.com/s/files/1/0484/1662/0701/files/ark_tek_quetzal_spawn_command.pdf
- https://cdn.shopify.com/s/files/1/0438/1917/2002/files/calculate_angle_between_two_vectors_javascript.pdf
- https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/filosom-lusiwikafese-jerupuxorukoti-novubolifunuw.pdf
- https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/vunidixeviro_xitosujitupile_kadape.pdf
- https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/mofep.pdf
- https://dimaxafazeza.weebly.com/uploads/1/3/1/4/131453031/8767144.pdf
- https://site-1038601.mozfiles.com/files/1038601/12007879351.pdf
- https://site-1039131.mozfiles.com/files/1039131/67512196112.pdf
- https://site-1041587.mozfiles.com/files/1041587/manuxavumilobijixa.pdf
- https://site-1036646.mozfiles.com/files/1036646/ravevitozafobozotiju.pdf
- https://site-1039528.mozfiles.com/files/1039528/65463073880.pdf
- https://site-1036876.mozfiles.com/files/1036876/4303359963.pdf
- https://site-1038363.mozfiles.com/files/1038363/31777106535.pdf
- https://site-1036656.mozfiles.com/files/1036656/panowajuxoriwaxelivizu.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
- cctraff.ru
- jakedekokobara.weebly.com
- gevafitasib.weebly.com
- keniwuki.weebly.com
- jawasolasazilem.weebly.com
- uploads.strikinglycdn.com
- cdn.shopify.com
- guwomenod.weebly.com
- bedizegoresupa.weebly.com
- dimaxafazeza.weebly.com
- site-1038601.mozfiles.com
- site-1039131.mozfiles.com
- site-1041587.mozfiles.com
- site-1036646.mozfiles.com
- site-1039528.mozfiles.com
- site-1036876.mozfiles.com
- site-1038363.mozfiles.com
- site-1036656.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.172.255.218
- 20.165.94.46
- 135.234.160.244
- 40.84.85.40
- 52.110.12.31
- 20.247.185.124
- 4.230.171.124
- 4.207.44.66
- 20.165.94.63
- 40.104.4.2
- 52.123.128.14
- 40.99.133.226
- 72.154.7.110
- 203.26.79.13
- 52.148.114.188
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report