MALICIOUS — a8d87db26f2af12e2c302818ebc3c4a6423f8f1af343103f5b21e8eb5fc394f5
MALICIOUS — a8d87db26f2af12e2c302818ebc3c4a6423f8f1af343103f5b21e8eb5fc394f5 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 5 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
a8d87db26f2af12e2c302818ebc3c4a6423f8f1af343103f5b21e8eb5fc394f5 - SHA-1:
e444f2e90cea0ddc8ee7a03bcc972be1bae966aa - MD5:
adfb7728f6e687e0b4b5f6eb55e2daf9 - ssdeep:
1536:oneMrb5u4G6UGrhTCYIxG/ttfhc2QR4YXlV9vxtmFTC5N7dFz/UWnzSttkF:oeMrb5fHNtkG/ttfq3MAFFjUqutw - TLSH:
T13138D1B3509BDE8C7ACB8743E9BB216D94CA878CA131D6A0444CAB3DC47CABD7E14451 - Submitted as: a8d87db26f2af12e2c302818ebc3c4a6423f8f1af343103f5b21e8eb5fc394f5
- File type: pdf · Size: 79571 bytes
- Verdict: malicious (98/100)
Detections (5 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- ClamAV (daily): Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Trellix Stinger (McAfee): PDF/Phish-FAB!ADFB7728F6E6
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 98/100 is the fusion of 7 weighted signals:
- ClamAV (daily) flagged Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 (rule
Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0) - engine signal, weight 0.90, confidence 0.95 - Embedded link rated malicious by URL analysis: https://uploads.strikinglycdn.com/files/2288a796-fbb6-4f66-a183-8e0cdb96b21d/fevejumebib.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 16 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://xajibur.ru/strik?utm_term=how+to+write+a+radio+commercial+script+template, https://uploads.strikinglycdn.com/files/2288a796-fbb6-4f66-a183-8e0cdb96b21d/fevejumebib.pdf, https://cdn-cms.f-static.net/uploads/4389107/normal_604a73b9739ba.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 (9 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9701 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
- 250.255.255.239.in-addr.arpa
- desktop-hsgcbep
- 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=1787847393&P2=404&P3=2&P4=CXrgZ7B9DHBra4MMYSU2r59MxNYmK7SgTuJWOyB1tt7c9Ra2AqgosJstPsyt%2fyUhDJapi71832uCgwA9ss77JA%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=1787847452&P2=404&P3=2&P4=GlqlyVfU6EAlTbNku1%2b4d9a0TT5CnLZ%2fR7v9hqTAr8dejRtod61zBufwdS37yN8Ykb7Mi92CWwvh3u18ot5fwg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\b1c86c1b3b037f70d7e451a332265798.png -
d1e48527ada0cc1b29463d974abb0b810a9d79fa1c5a94881c0f4a11e9682408 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
059892f5a1c14832f2e541dc60dd8240473254e577be64999db90d78260dcc5e - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://xajibur.ru/strik?utm_term=how+to+write+a+radio+commercial+script+template
- https://uploads.strikinglycdn.com/files/2288a796-fbb6-4f66-a183-8e0cdb96b21d/fevejumebib.pdf
- https://s3.amazonaws.com/tokudapele/jomotuvazafonuvuzepak.pdf
- https://cdn-cms.f-static.net/uploads/4389107/normal_604a73b9739ba.pdf
- https://xafasujogi.weebly.com/uploads/1/3/4/3/134374351/mebiwonu-dazosururija-pofovexasimeg.pdf
- https://s3.amazonaws.com/xeropizuwe/diwejadaxidadaserubo.pdf
- https://sawulazu.weebly.com/uploads/1/3/4/5/134588127/bfdb52.pdf
- https://cdn-cms.f-static.net/uploads/4370077/normal_601bae0052b91.pdf
- https://s3.amazonaws.com/babuxufarizuxur/labitux.pdf
- https://cdn-cms.f-static.net/uploads/4410027/normal_606c90edd50d8.pdf
- https://s3.amazonaws.com/xoxaneral/ecosistema_intercambio_de_materia_y_energia.pdf
- https://s3.amazonaws.com/mizeteb/us_army_corps_of_engineers_castle_logo.pdf
- https://uploads.strikinglycdn.com/files/f23790f2-b522-495f-8c55-319a54794131/after_we_collided_2_release_date_usa.pdf
- https://uploads.strikinglycdn.com/files/6d4e2654-7a7b-408d-b938-9e2fbfdc007f/introduction_to_the_practice_of_statistics_8th_edition_solutions_manual.pdf
- https://cdn-cms.f-static.net/uploads/4402520/normal_605b880ddb8de.pdf
- https://s3.amazonaws.com/voxipanovigepiv/world_cost_of_living_index_2019.pdf
- https://cdn-cms.f-static.net/uploads/4370542/normal_6037987423cf9.pdf
- https://femomupine.weebly.com/uploads/1/3/4/4/134458898/tatefu_jifaxi_jibun_livosowegisato.pdf
- https://s3.amazonaws.com/pisedij/natural_high_bloodstone_free.pdf
- https://bimidupixujeg.weebly.com/uploads/1/3/4/3/134319160/4deb5.pdf
- https://s3.amazonaws.com/wuniku/96586059914.pdf
- https://s3.amazonaws.com/bidivo/lamugufazoduxux.pdf
- https://s3.amazonaws.com/xisefowu/72638660797.pdf
- https://s3.amazonaws.com/xonobijikivo/kezifix.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
Embedded domains
- xajibur.ru
- uploads.strikinglycdn.com
- s3.amazonaws.com
- cdn-cms.f-static.net
- xafasujogi.weebly.com
- sawulazu.weebly.com
- femomupine.weebly.com
- bimidupixujeg.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 40.84.97.4
- 40.79.163.155
- 20.42.179.192
- 52.123.252.212
- 4.230.171.124
- 4.144.132.114
- 52.230.60.54
- 74.178.240.51
- 135.233.95.144
- 52.123.129.14
- 74.178.76.44
- 203.26.79.13
- 52.123.252.218
- 51.104.15.252
- 135.234.160.244
- 52.148.114.188
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report