MALICIOUS — 44243e328bbccb4e0da8c4436501f98a7cdedaed33cac154504f548fc0adb16f

MALICIOUS — 44243e328bbccb4e0da8c4436501f98a7cdedaed33cac154504f548fc0adb16f is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100). 5 of 54 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: 44243e328bbccb4e0da8c4436501f98a7cdedaed33cac154504f548fc0adb16f
• SHA-1: 05385a12e777a8fcbc03e08d955025b7bd9c7e79
• MD5: f554c238b219acc0399fcb0af0893206
• ssdeep: 1536:GIGCfzST2roj16k/eRVS2v290IXzDkYwm65tPol9dk/voXFI:vGYzBr48k/eu2C0IXUSotynk/voS
• TLSH: T1C338D0F36043ED1CB68B7B0736EA15687489DB48257297D05488B72CC4BC3ADBD21A25
• Submitted as: 44243e328bbccb4e0da8c4436501f98a7cdedaed33cac154504f548fc0adb16f
• File type: pdf · Size: 80721 bytes
• Verdict: malicious (100/100)

Detections (5 of 54 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!F554C238B219
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

• T1105
• T1566.002

Why this verdict

The malicious score of 100/100 is the fusion of 11 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
• Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule PDF.Spam.Heur.1) - engine signal, weight 0.55, confidence 0.85
• Trellix Stinger (McAfee) flagged PDF/Phish-FAB!F554C238B219 (rule PDF/Phish-FAB!F554C238B219) - 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 18 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://711a90e7-97f2-4eab-8690-3003ec1e9b64.filesusr.com/ugd/a0905b_b233e573de74451dbaa16de33754b910.pdf?index=true - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: https://maypoin.ru/123?utm_term=xenoblade+chronicles+2+guide+book+pdf, http://wojesukuzak.mygamesonline.org/besiwujoxazu.pdf, http://instgramcopyrightdispute.com/70962594104whjkv.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 (12 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

994 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/
• 23.40.52.85
• 23.11.37.157
• 172.66.2.5 US · San Francisco · AS13335 Cloudflare, Inc.

Dropped files

• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• https://maypoin.ru/123?utm_term=xenoblade+chronicles+2+guide+book+pdf
• http://wojesukuzak.mygamesonline.org/besiwujoxazu.pdf
• http://instgramcopyrightdispute.com/70962594104whjkv.pdf
• https://nurigefisigutip.weebly.com/uploads/1/3/4/6/134628418/10c39d734d9d.pdf
• http://1green.space/zetodipalusokigotujajug6d5g3.pdf
• https://711a90e7-97f2-4eab-8690-3003ec1e9b64.filesusr.com/ugd/a0905b_b233e573de74451dbaa16de33754b910.pdf?index=true
• http://detonic-deutschland.website/24305786951fxf63.pdf
• https://metekazup.weebly.com/uploads/1/3/2/8/132815755/rokafuxozozona-tilolomujemore-jifeb-potoruleseguz.pdf
• https://xejibojap.weebly.com/uploads/1/3/4/3/134310503/456e82fb4a6c.pdf
• http://apsdd54gfv.xyz/xunavamumutuwekubekabedizq8yuc.pdf
• http://kikababono.mywebcommunity.org/nc_written_drivers_license_test.pdf
• https://xonarupitowij.weebly.com/uploads/1/3/4/6/134617661/dadugutunasaji.pdf
• http://dwatches.site/vizio_m50-c1_t_con_boardhr85b.pdf
• http://profer-opt.ru/dujenabolunevebofipig4s9sz.pdf
• https://xefolulewonud.weebly.com/uploads/1/3/1/4/131406676/panovaper.pdf
• http://center-about.com/basic_engineering_circuit_analysis_10th_edition_solutions_chapter_6x7a3t.pdf
• https://fiwugepupuladav.weebly.com/uploads/1/3/4/7/134740110/demox.pdf
• https://1e16da7b-5b4f-4122-a3c4-5c88c9d97cf7.filesusr.com/ugd/83f04e_39594f400e994f3d9d306277794af2ff.pdf?index=true
• 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

Embedded domains

• maypoin.ru
• wojesukuzak.mygamesonline.org
• instgramcopyrightdispute.com
• nurigefisigutip.weebly.com
• 1green.space
• 711a90e7-97f2-4eab-8690-3003ec1e9b64.filesusr.com
• metekazup.weebly.com
• xejibojap.weebly.com
• apsdd54gfv.xyz
• kikababono.mywebcommunity.org
• xonarupitowij.weebly.com
• dwatches.site
• profer-opt.ru
• xefolulewonud.weebly.com
• center-about.com
• fiwugepupuladav.weebly.com
• 1e16da7b-5b4f-4122-a3c4-5c88c9d97cf7.filesusr.com
• www.w3.org
• purl.org
• ns.adobe.com
• detonic-deutschland.website
• x2.c.lencr.org
• ye.c.lencr.org
• yr.c.lencr.org

Embedded IP addresses

• 40.84.97.4
• 172.215.188.232
• 85.210.196.11
• 172.172.255.216
• 172.215.188.225
• 20.184.175.13
• 4.247.188.233
• 57.154.63.210
• 172.172.255.218
• 172.66.2.5
• 52.110.12.37
• 20.42.179.204
• 4.230.171.124
• 104.18.33.89
• 74.178.240.51
• 4.150.223.104
• 74.179.77.204
• 52.253.84.76

Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report