MALICIOUS — 1845f8e3cacf194b669a4f5fabf2907eebea7eadbe241f28d540f051c3dc02c5
MALICIOUS — 1845f8e3cacf194b669a4f5fabf2907eebea7eadbe241f28d540f051c3dc02c5 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:
1845f8e3cacf194b669a4f5fabf2907eebea7eadbe241f28d540f051c3dc02c5 - SHA-1:
ecafce2aa2bbd5609de76a08dbfef47fec563a49 - MD5:
9e0938d0ddb4e4afef6685c5ab8b7d11 - ssdeep:
1536:YDyyLNJL8+vcwdc3AEkAZ1w376loCpcRa/UZp8KEgpT17gpwd:S5NRzldc3AygrGpcw0sgPgs - TLSH:
T11E38D0F3A0D7DE4CA647DF5769F6157C808EC38466329B9448C8365C806C6BE6E60F82 - Submitted as: 1845f8e3cacf194b669a4f5fabf2907eebea7eadbe241f28d540f051c3dc02c5
- File type: pdf · Size: 80596 bytes
- Verdict: malicious (98/100)
Detections (5 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
- Trellix Stinger (McAfee): PDF/Phish-FAB!9E0938D0DDB4
- 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-d2568dad23a94d95-d2568dad23a94d95-10044375-0 (rule
Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0) - engine signal, weight 0.90, confidence 0.95 - Embedded link rated malicious by URL analysis: https://uploads.strikinglycdn.com/files/9ab4142d-a6ad-4825-9c54-4ad3319b02c1/types_of_structural_frames.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 17 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://ponafet.ru/strik?utm_term=how+can+i+lookup+my+work+history+for+free, https://uploads.strikinglycdn.com/files/9ab4142d-a6ad-4825-9c54-4ad3319b02c1/types_of_structural_frames.pdf, https://uploads.strikinglycdn.com/files/604f8847-4506-4673-a78e-a664e57865ab/la_divina_comedia_autor_del_libro.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 (16 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9639 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=1787793380&P2=404&P3=2&P4=kb8yaz4sc7693ZUTSVoed4VOf6vdk%2bNyRXMIAIK89M%2bxC%2bIPpkbYjvDrJsBsRZggE7vi%2bjk6b9o%2fe%2fETwUPOJQ%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=1787793446&P2=404&P3=2&P4=A8P5UuZ2CBoASZ%2f7VtV5e5jfCZwHErPgeZkfcPj472abjNJzky48gGawbK5x5aY2vM7htXgt2gIL5QdGPFzt%2bQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- 23.40.52.85
- 23.11.37.157
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
b9ac5194f3d20a3571d4d095ff7d7925a4485585520d02b405114784d98c40b1 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\987234a9c6c685b6fba38bdbab52f70c.png -
04d12d68520aea2ebefc6f033afbc8669f1fc72790a16417e1ae03e4ec0d64bc - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ponafet.ru/strik?utm_term=how+can+i+lookup+my+work+history+for+free
- https://uploads.strikinglycdn.com/files/9ab4142d-a6ad-4825-9c54-4ad3319b02c1/types_of_structural_frames.pdf
- https://uploads.strikinglycdn.com/files/604f8847-4506-4673-a78e-a664e57865ab/la_divina_comedia_autor_del_libro.pdf
- https://uploads.strikinglycdn.com/files/475a87bb-f5b9-4a0e-bc67-90448080bb59/apc_smart_ups_xs_1500_manual.pdf
- https://s3.amazonaws.com/nabifovu/wowekezovogu.pdf
- https://uploads.strikinglycdn.com/files/f0c8db73-939d-4b84-bb5d-3242c5329c98/37133055299.pdf
- https://uploads.strikinglycdn.com/files/7a060ccc-7ae1-4ea4-bfef-18e2de8c5c3c/weluguxuzepenoturalo.pdf
- https://s3.amazonaws.com/bufipevuril/danse_macabre_sheet_music_piano.pdf
- https://uploads.strikinglycdn.com/files/badc15a0-365c-435a-889e-e177ea8f4809/gluten_free_fast_food_mcdonalds.pdf
- https://uploads.strikinglycdn.com/files/2c477a85-e353-4ae4-ad11-c909edc1ffad/writing_systems_of_equations_from_word_problems_worksheet.pdf
- https://uploads.strikinglycdn.com/files/2a25f869-3de1-4a9f-94b2-656450056ed8/475_tax_deductions_for_businesses.pdf
- https://s3.amazonaws.com/xoguwavosuje/bisulewet.pdf
- https://uploads.strikinglycdn.com/files/8691b9ba-ab10-4da9-b94c-a7607a7db1d0/14204115807.pdf
- https://cdn-cms.f-static.net/uploads/4393359/normal_604d02f9a9b07.pdf
- https://uploads.strikinglycdn.com/files/371a5ff3-570e-4cf0-9a25-6fc016ebcd29/lego_mindstorms_card_shuffler.pdf
- https://uploads.strikinglycdn.com/files/70f8487d-8775-437d-99c4-8a136bcae879/83317496814.pdf
- https://cdn-cms.f-static.net/uploads/4420260/normal_6019ccde91ce3.pdf
- https://uploads.strikinglycdn.com/files/a4c01044-c51f-4347-9b83-8f72e857e152/what_is_content_knowledge_management_software.pdf
- https://uploads.strikinglycdn.com/files/65ac4cbf-3398-4459-8a30-4a1eed2e08e1/22788132151.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/
Embedded domains
- ponafet.ru
- uploads.strikinglycdn.com
- s3.amazonaws.com
- cdn-cms.f-static.net
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 4.150.223.102
- 4.247.188.224
- 52.123.252.204
- 52.110.12.32
- 4.230.171.124
- 20.247.184.197
- 74.178.240.61
- 4.150.223.114
- 74.178.76.128
- 52.123.128.14
- 40.104.4.2
- 135.233.45.223
- 85.210.196.11
- 74.178.76.44
- 203.26.79.13
- 20.184.175.14
- 52.148.114.188
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report