MALICIOUS — normal_5f87eaa8b6af4.pdf
MALICIOUS — normal_5f87eaa8b6af4.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:
8ca995b7df77b16f87ab7f2b8c0838b36be5116092ee7fc911f3faaf12339dcf - SHA-1:
1062d9e20086990b21b8ce26b0b5e259647dc55d - MD5:
0760a897adccb171997306cce8970262 - ssdeep:
768:SgGzpDMeZJMGhvBFV1/uTq9YCfLFpf0OCrsocHaTNAkN4NJdqGY6saq2MJKwF32m:PGFoerMsLTf0O8soXaJdqGwCwMbZTegW - TLSH:
T1EA337CF35097EE4C3E87AB83ADB71056644AC6883273A76008C97B2CD57C6AD7F50960 - Submitted as: normal_5f87eaa8b6af4.pdf
- File type: pdf · Size: 48559 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 12 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/d0afc3d3-a5b4-45b1-a9a4-32564aebad5d/5879651851.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/123?keyword=quimica+org%25C3%25A2nica+resumo+pdf, https://cdn.shopify.com/s/files/1/0477/0313/0268/files/inkjet_transparency_film_michaels.pdf, https://cdn.shopify.com/s/files/1/0461/6460/7128/files/chevy_350_rebuild_manual_download.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 (13 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9708 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
- 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
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787778473&P2=404&P3=2&P4=AUUF%2fp67Hpl%2fgIeKaFhggu6aHWQKt%2fOQzK9zcBrsPg24vp55B%2bCTLSVhleC%2fWTHKTOxgiYzljpf9rSBavOrmgA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787778495&P2=404&P3=2&P4=hbz4dxX1ogy8Ce7YbogUATa59MKPtBarDIRa8sMfUFd78WSi5Ij7tuUxmhO%2bk%2fwaQ1nqbWOdu8CiuZeM%2fyURwQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5?P1=1787175230&P2=404&P3=2&P4=G46Oido48ciCYsjV5uBBOnou3hD3LfMpawvgeslHta%2b9HRf0G1ptyawUeZQKd4OkwauWYvMmUP%2fscqHyY6U%2f2g%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
55b970131744bb7ec3e1772e8b06350a9d53013e2d5ef7f0c7d8bcf1447697a2 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\54f5b0da2f2127984ed468ad4c5caa76.png -
97210fa449eec9d2aad220c1076a5caf7e1b7122d77920e1b70cd44b1d1d9b49 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=quimica+org%25C3%25A2nica+resumo+pdf
- https://cdn.shopify.com/s/files/1/0477/0313/0268/files/inkjet_transparency_film_michaels.pdf
- https://cdn.shopify.com/s/files/1/0461/6460/7128/files/chevy_350_rebuild_manual_download.pdf
- https://cdn.shopify.com/s/files/1/0429/2627/6771/files/togaxedaxajupuremanid.pdf
- https://cdn.shopify.com/s/files/1/0481/9756/6616/files/zowux.pdf
- https://cdn.shopify.com/s/files/1/0486/2210/8837/files/liriwubupajenixiwis.pdf
- https://site-1043538.mozfiles.com/files/1043538/tratamiento_para_anorexia_nerviosa.pdf
- https://site-1048486.mozfiles.com/files/1048486/95296291904.pdf
- https://site-1036815.mozfiles.com/files/1036815/xapubota.pdf
- https://site-1038338.mozfiles.com/files/1038338/91770963899.pdf
- https://cdn-cms.f-static.net/uploads/4366653/normal_5f8760f7da6f5.pdf
- https://cdn-cms.f-static.net/uploads/4366402/normal_5f87cbc20b6d7.pdf
- https://cdn-cms.f-static.net/uploads/4366623/normal_5f8782b29d27f.pdf
- https://uploads.strikinglycdn.com/files/d0afc3d3-a5b4-45b1-a9a4-32564aebad5d/5879651851.pdf
- https://uploads.strikinglycdn.com/files/3f2dca48-36a1-42da-bc24-d6124b75b37e/nusalaxofodevi.pdf
- https://uploads.strikinglycdn.com/files/eb21af12-c864-4879-80c1-3f4ebb04620a/sogibupe.pdf
- https://cdn.shopify.com/s/files/1/0496/6088/7203/files/examples_of_social_problems_in_zambia.pdf
- https://cdn.shopify.com/s/files/1/0501/5601/1685/files/mowutigerejepuxifujo.pdf
- https://uploads.strikinglycdn.com/files/18e95024-3df4-493d-a236-89fc457401b5/kuvido.pdf
- https://uploads.strikinglycdn.com/files/c2c36cbe-9a3d-4ccc-a84d-36e6ab42004a/dafelerizopaxixufoserifi.pdf
- https://uploads.strikinglycdn.com/files/812c00bf-f083-44cd-821e-78ee04bd6cdd/33175869782.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/
Embedded domains
- cctraff.ru
- cdn.shopify.com
- site-1043538.mozfiles.com
- site-1048486.mozfiles.com
- site-1036815.mozfiles.com
- site-1038338.mozfiles.com
- cdn-cms.f-static.net
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 20.42.73.25
- 4.230.171.124
- 20.42.179.192
- 135.233.95.144
- 20.184.175.9
- 52.123.128.14
- 52.168.112.67
- 104.208.16.94
- 74.179.71.159
- 203.26.79.13
- 135.233.45.223
- 48.199.12.1
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report