MALICIOUS — a4441239cd814c78eb6f0b29b958e7a594f9dc275e5c5f9cf47951cf031f484c
MALICIOUS — a4441239cd814c78eb6f0b29b958e7a594f9dc275e5c5f9cf47951cf031f484c 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:
a4441239cd814c78eb6f0b29b958e7a594f9dc275e5c5f9cf47951cf031f484c - SHA-1:
d09093175aaaa413d76509a1240527db4f0bceed - MD5:
623c20bffe4070c5eb1099ae83d24c32 - ssdeep:
1536:1nMnQlSh1gSPu+4c5vPqKGYhYxYuT5je/9blrFXLXI9a3UIfmwkXo1Q:anQwget4wqwy1Re/9rzI9emL - TLSH:
T1A538CFF3509BDECC6ACAA757796B104D7488C3C96532E7918488BB6DD1382BEBF01910 - Submitted as: a4441239cd814c78eb6f0b29b958e7a594f9dc275e5c5f9cf47951cf031f484c
- File type: pdf · Size: 82922 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!623C20BFFE40
- 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/bdb694ae-09c3-41ef-bf76-962a3894547f/anti-_theft_alert_system_using_atmega8_microcontroller.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 17 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://golowaki.ru/strik?utm_term=how+to+write+a+scientific+research+grant+proposal, https://7aff118d-26f6-4d76-9bc9-1838009e7274.filesusr.com/ugd/f80014_4d28701340234381b6ec349b4151079e.pdf?index=true, http://usecabinets.xyz/911641887995q8wp.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)
9678 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=1787835056&P2=404&P3=2&P4=HrtciQS7HlvaQDUgza11WlCUhY53e%2bBdaqwE5xZXE8p73oGIMl6Q7OhxP3ZucdoAQDLoTYcEgg6IqzNIli%2fasQ%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=1787835123&P2=404&P3=2&P4=FlXdVY0bRy5tuVez3FikKHl2leHeRth8uLJXefLfQRTMVvZ%2fQLlhy7kKNNSMMAtRF9G6CiqElMl5bNMLwgwVSw%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=1787231858&P2=404&P3=2&P4=cWVdMWh6BMri0Vmje8YviPOuZbI7iKvzmifm94xDJaNRqBkbUUOPmdQAm7DvFRB1%2fr%2brPSOsJud7yjDu3XIetA%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
6235ccdc4137022aef7cb7a2f471bc4bbf78cf7d4278a57d305e14d9009146ca - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\b1df13cb94fd1d65b00e9e71251598be.png -
828eebebeb8a846cbe0149d2a1954d0b49db7a2433c98f28d18f276702cb0746 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://golowaki.ru/strik?utm_term=how+to+write+a+scientific+research+grant+proposal
- https://7aff118d-26f6-4d76-9bc9-1838009e7274.filesusr.com/ugd/f80014_4d28701340234381b6ec349b4151079e.pdf?index=true
- http://usecabinets.xyz/911641887995q8wp.pdf
- https://uploads.strikinglycdn.com/files/bdb694ae-09c3-41ef-bf76-962a3894547f/anti-_theft_alert_system_using_atmega8_microcontroller.pdf
- http://tosety.xyz/request_approval_letter_formatykn9r.pdf
- https://30d6ba4c-d201-4e26-8f31-a0e059b28788.filesusr.com/ugd/f9b8bb_bbaf00cfcf414e30a153add2c7e98284.pdf?index=true
- https://s3.amazonaws.com/wutogugej/2005_ford_f250_6.0_diesel_oil_weight.pdf
- http://haustova.com/lowulogutabavowy4ui.pdf
- http://appletopshop.ru/dijukakixaladxvc7p.pdf
- https://static.s123-cdn-static.com/uploads/4490375/normal_6006e7476a136.pdf
- https://uploads.strikinglycdn.com/files/58f7db89-7f22-457a-b93b-730cada49f1c/58932491995.pdf
- https://s3.amazonaws.com/vavejijitatofu/mupemugaf.pdf
- https://uploads.strikinglycdn.com/files/c90e4a81-1472-4eb9-b46b-2b7428ea1bf2/guidelines_for_the_development_of_shipboard_oil_pollution_emergency_plan_sopep.pdf
- https://s3.amazonaws.com/legobegutulo/49069133369.pdf
- http://henrysavbr.site/jam2_speaker_not_pairingf46i0.pdf
- https://s3.amazonaws.com/ropidadegaxut/27832518524.pdf
- https://s3.amazonaws.com/mixanaz/10975976371.pdf
- https://s3.amazonaws.com/farowug/letterhead_design_template_psd.pdf
- https://uploads.strikinglycdn.com/files/166acf57-b2a7-4c68-8077-03bb0f599b52/what_is_the_message_of_the_story_the_necklace.pdf
- https://s3.amazonaws.com/tinajabizoreguf/amie_exam_form.pdf
- https://f815f12b-539f-4060-8ed9-abd2caada31b.filesusr.com/ugd/ceb2e8_8d2ed9bf3464430ba8b8828f12b4853b.pdf?index=true
- https://cdn-cms.f-static.net/uploads/4473432/normal_605c416b9fca4.pdf
- https://e791dc30-71fd-4519-a75e-453748eb9c32.filesusr.com/ugd/8a5fcf_8e44e33a571a4f78ae9d4f8410cd9660.pdf?index=true
- https://88966db1-4a83-4446-b941-f65022a6235f.filesusr.com/ugd/928e0f_ba620d3693134f01bbc5f372ee68d037.pdf?index=true
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
Embedded domains
- golowaki.ru
- 7aff118d-26f6-4d76-9bc9-1838009e7274.filesusr.com
- usecabinets.xyz
- uploads.strikinglycdn.com
- tosety.xyz
- 30d6ba4c-d201-4e26-8f31-a0e059b28788.filesusr.com
- s3.amazonaws.com
- haustova.com
- appletopshop.ru
- static.s123-cdn-static.com
- henrysavbr.site
- f815f12b-539f-4060-8ed9-abd2caada31b.filesusr.com
- cdn-cms.f-static.net
- e791dc30-71fd-4519-a75e-453748eb9c32.filesusr.com
- 88966db1-4a83-4446-b941-f65022a6235f.filesusr.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 20.184.175.14
- 52.182.141.63
- 4.207.44.71
- 52.110.12.44
- 52.110.12.15
- 40.84.97.4
- 4.230.171.124
- 135.232.92.97
- 20.76.201.171
- 52.123.128.14
- 40.99.133.242
- 74.178.240.61
- 203.26.79.13
- 92.223.78.30
- 20.165.94.46
- 57.154.63.210
- 20.184.175.22
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report