MALICIOUS — f7aa0887895966f1a3e82a8b2140a0c47522d0cd8167b8ecf06f21989b441d0d
MALICIOUS — f7aa0887895966f1a3e82a8b2140a0c47522d0cd8167b8ecf06f21989b441d0d is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100). 4 of 54 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
f7aa0887895966f1a3e82a8b2140a0c47522d0cd8167b8ecf06f21989b441d0d - SHA-1:
afb6c700e6d4a295f0d1226c5fd87c653817d4b2 - MD5:
97c5b20a3c5c233865623b6c35451d8f - ssdeep:
3072:utdeFexnPPZIPy41y1vJcJ6mljiCCi5NIikd/cGuHf1bUdGhA0I:uWF2xcJ6GbCkGikd3kidGha - TLSH:
T17A3E02F3615BFF186786EB632DA6045D218AD3887335EBA1444866AE447C6FF3D20630 - Submitted as: f7aa0887895966f1a3e82a8b2140a0c47522d0cd8167b8ecf06f21989b441d0d
- File type: pdf · Size: 137206 bytes
- Verdict: malicious (99/100)
Detections (4 of 54 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 99/100 is the fusion of 10 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 - Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule
PDF.Spam.Heur.1) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged HEUR:Hoax.PDF.Phish.gen (rule
HEUR:Hoax.PDF.Phish.gen) - engine signal, weight 0.55, confidence 0.85 - Contacted 6 external host(s) and 3 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
- MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-blob (rule
high-entropy-blob) - engine signal, weight 0.35, confidence 0.70 - Embedded link rated suspicious by URL analysis: https://cc4f1b1a-08c7-467e-bb5a-e3073ad8caf1.filesusr.com/ugd/ffc175_0211a5bd667048b0987807ad7ea4ecde.pdf?index=true - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://gimoguvi.ru/strik?utm_term=grease+script+for+primary+schools, http://bafiselavanebep.mywebcommunity.org/fl_studio_12_free_download_64_bit_mobile.pdf, https://cc4f1b1a-08c7-467e-bb5a-e3073ad8caf1.filesusr.com/ugd/ffc175_0211a5bd667048b0987807ad7ea4ecde.pdf?index=true - 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 (12 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
991 behavior events · 0 ATT&CK techniques · 1 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- c.pki.goog
- x2.c.lencr.org
- ye.c.lencr.org
- yr.c.lencr.org
- ntp.ubuntu.com
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://c.pki.goog/r/r1.crl
- http://x2.c.lencr.org/
- http://ye.c.lencr.org/
- http://c.pki.goog/wr2/9UVbN0w5E6Y.crl
- http://yr.c.lencr.org/
- 23.40.52.209
- 23.11.37.157
- 142.250.183.46
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gimoguvi.ru/strik?utm_term=grease+script+for+primary+schools
- https://s3.amazonaws.com/zuvovoxigumuz/cell_membrane_potential.pdf
- http://bafiselavanebep.mywebcommunity.org/fl_studio_12_free_download_64_bit_mobile.pdf
- https://cc4f1b1a-08c7-467e-bb5a-e3073ad8caf1.filesusr.com/ugd/ffc175_0211a5bd667048b0987807ad7ea4ecde.pdf?index=true
- https://s3.amazonaws.com/tonisefoteka/printable_battleship_game.pdf
- https://s3.amazonaws.com/fajeloninesitel/bollywood_video_song_2017_free.pdf
- http://legegapepapo.medianewsonline.com/fipin.pdf
- https://923a8ca3-316b-4844-b38f-9bc955ad4852.filesusr.com/ugd/312e0e_9a667723063a4481919423372980c05c.pdf?index=true
- https://9387bd13-3746-4408-b474-2867f26e464d.filesusr.com/ugd/ace02d_1cbea8cc9da74d8b9f0794c849f5a038.pdf?index=true
- http://detozube.scienceontheweb.net/careless_whisper_easy_piano_sheet_music.pdf
- http://burivuvuju.medianewsonline.com/93217143725.pdf
- https://7fca5364-97a1-4441-b76e-d2c429a59218.filesusr.com/ugd/735424_78aeae30f0414af4babe2a93f55d273e.pdf?index=true
- https://s3.amazonaws.com/jefobexapulow/french_present_tense_exercises.pdf
- http://vexasefagi.scienceontheweb.net/xulewakorov.pdf
- https://s3.amazonaws.com/dazemi/lesevomuwojalanunufumif.pdf
- https://s3.amazonaws.com/jefazaxal/karejuxafetu.pdf
- https://s3.amazonaws.com/donukadizolin/brooklyn_tech_majors.pdf
- https://s3.amazonaws.com/fikuvine/kusamemapotis.pdf
- https://56a7be67-7dca-40da-a973-69ad719fb73b.filesusr.com/ugd/fedf23_1722d4b724cb421db989986f92b9f054.pdf?index=true
- https://80b2a579-f9ed-4aa0-b91a-ac3c8973c086.filesusr.com/ugd/353d00_d7acf2e3194e41afa1d2ca0f2d0a1d00.pdf?index=true
- http://kegetisa.mygamesonline.org/topizekotaxawimejevip.pdf
- http://peguxukeziku.sportsontheweb.net/adolescent_health_care_a_practical_guide.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/
Embedded domains
- gimoguvi.ru
- s3.amazonaws.com
- bafiselavanebep.mywebcommunity.org
- cc4f1b1a-08c7-467e-bb5a-e3073ad8caf1.filesusr.com
- legegapepapo.medianewsonline.com
- 923a8ca3-316b-4844-b38f-9bc955ad4852.filesusr.com
- 9387bd13-3746-4408-b474-2867f26e464d.filesusr.com
- detozube.scienceontheweb.net
- burivuvuju.medianewsonline.com
- 7fca5364-97a1-4441-b76e-d2c429a59218.filesusr.com
- vexasefagi.scienceontheweb.net
- 56a7be67-7dca-40da-a973-69ad719fb73b.filesusr.com
- 80b2a579-f9ed-4aa0-b91a-ac3c8973c086.filesusr.com
- kegetisa.mygamesonline.org
- peguxukeziku.sportsontheweb.net
- www.w3.org
- purl.org
- ns.adobe.com
- x2.c.lencr.org
- ye.c.lencr.org
- yr.c.lencr.org
Embedded IP addresses
- 20.247.184.197
- 52.123.252.203
- 52.110.12.40
- 4.230.171.124
- 72.153.5.96
- 4.247.188.224
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report