MALICIOUS — 9991328.pdf
MALICIOUS — 9991328.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100). 4 of 53 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
93f86cf3b77c726effe174c3296ebff8e982a26cd1f9e42c661f7f5b90655ea6 - SHA-1:
fb6cc9eb1a7e633f5e476144322e1c1704eed44a - MD5:
8968ad6f4651c43843605813e081b713 - ssdeep:
1536:XG0ZHxXnu9IZ/rxAoruTuV20Vv4p8E+lKtjkYyoBwkdiMClXp:2Ku92DxoiAo4yE+O3BwkQMCD - TLSH:
T19D37DFF331A3CD8E7A91AF4379B21568510BDBC8312697244088BB6DC53CBFE6E94911 - Submitted as: 9991328.pdf
- File type: pdf · Size: 71237 bytes
- Verdict: malicious (96/100)
Detections (4 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- ClamAV (daily): Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 96/100 is the fusion of 8 weighted signals:
- ClamAV (daily) flagged Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 (rule
Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0) - engine signal, weight 0.90, confidence 0.95 - Contacted 15 external host(s) at runtime (2 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/5d004f5b-99d1-4284-b255-42c2a455af34/10454099613.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://trafffe.ru/wb?keyword=c%20map%20example%20pdf, https://uploads.strikinglycdn.com/files/5d004f5b-99d1-4284-b255-42c2a455af34/10454099613.pdf, https://cdn-cms.f-static.net/uploads/4380084/normal_5f9d054bcd9df.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)
9732 behavior events · 1 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
- 250.255.255.239.in-addr.arpa
- ntp.ubuntu.com
- 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
- 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
- 252.0.0.224.in-addr.arpa
- 79.243.254.169.in-addr.arpa
- 255.255.254.169.in-addr.arpa
- http://www.msftconnecttest.com/connecttest.txt
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
67f85b05d503d67cae3f8ed1a3a1673fc184bd6907a1827332f9e737df13f520 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\c3c1cf2951690da02e7dafd4fc014bfc.png -
f57db71ee3cf401aafb82fe2b9dacc5602b27c361ff07176fecad26c2112bd4d - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://trafffe.ru/wb?keyword=c%20map%20example%20pdf
- https://uploads.strikinglycdn.com/files/5d004f5b-99d1-4284-b255-42c2a455af34/10454099613.pdf
- https://cdn-cms.f-static.net/uploads/4380084/normal_5f9d054bcd9df.pdf
- https://uploads.strikinglycdn.com/files/53420fbb-0f84-49ef-8b1e-0f62da5fcc4a/28557933285.pdf
- https://uploads.strikinglycdn.com/files/baf0e011-0598-444b-9eb4-409bcc9b77e1/feis_stage_calculator.pdf
- https://cdn-cms.f-static.net/uploads/4365627/normal_5f9896bed6c01.pdf
- https://uploads.strikinglycdn.com/files/3bea6ec6-9f12-4caa-afb2-064df17d6b29/zwiebelsaeckchen_bei_ohrenschmerzen.pdf
- https://uploads.strikinglycdn.com/files/3c82e132-352f-4800-88d6-83a142e1fa80/halo_2_pc_download.pdf
- https://s3.amazonaws.com/xokebore/information_about_bivalve_animals.pdf
- https://s3.amazonaws.com/damerirazib/how_to_guide_template_word.pdf
- https://xutifivaluladar.weebly.com/uploads/1/3/4/3/134337767/4008144.pdf
- https://buvitefano.weebly.com/uploads/1/3/4/1/134131500/waxadogetatojuku.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
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787452685&P2=404&P3=2&P4=ihN3dRjpQiE21UWx6G4rphd08pn%2f1YhTGbwKFb8Ql0PGBctX00JItk8WIxRyforOrM0i2pDT3M4aTylSc1nPxQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- trafffe.ru
- uploads.strikinglycdn.com
- cdn-cms.f-static.net
- s3.amazonaws.com
- xutifivaluladar.weebly.com
- buvitefano.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 135.232.92.137
- 20.184.175.16
- 72.153.5.97
- 4.150.223.112
- 52.123.252.241
- 52.110.12.19
- 52.230.59.222
- 4.230.171.124
- 20.231.239.246
- 74.178.232.29
- 135.233.45.221
- 74.179.77.204
- 203.26.79.13
- 52.123.252.202
- 52.148.114.188
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report