MALICIOUS — 43becbf13648411df9d422d819fb9773b37feb9fb9a09fef98cbbea1875dd595

MALICIOUS — 43becbf13648411df9d422d819fb9773b37feb9fb9a09fef98cbbea1875dd595 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100). 4 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 43becbf13648411df9d422d819fb9773b37feb9fb9a09fef98cbbea1875dd595
• SHA-1: 3a0188019542f9dcd6b204a9bf5dc722d61479a7
• MD5: bada6b689fa60c4700c015e6e507294b
• ssdeep: 768:F4Vxz79ftsS14U5+LcffECTxhbGrXNLPXitwjVeUxnhW8i:o5R5+knhbGpLPStCV5NE8i
• TLSH: T190308DF76147CC1C7E8A8F074AB7AA6D26C9E389B172DE8141C83B2C907C6DF6600911
• Submitted as: 43becbf13648411df9d422d819fb9773b37feb9fb9a09fef98cbbea1875dd595
• File type: pdf · Size: 36353 bytes
• Verdict: malicious (96/100)

Detections (4 of 54 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• Microsoft Defender: Trojan:PDF/Phish.CFN!MTB
• Emsisoft (Emergency Kit): PDF.Spam.Heur.2
• Trellix Stinger (McAfee): PDF/Phish-TWM!BADA6B689FA6

MITRE ATT&CK

• T1105

Why this verdict

The malicious score of 96/100 is the fusion of 9 weighted signals:

• Microsoft Defender flagged Trojan:PDF/Phish.CFN!MTB (rule Trojan:PDF/Phish.CFN!MTB) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.2 (rule PDF.Spam.Heur.2) - engine signal, weight 0.55, confidence 0.85
• Trellix Stinger (McAfee) flagged PDF/Phish-TWM!BADA6B689FA6 (rule PDF/Phish-TWM!BADA6B689FA6) - engine signal, weight 0.55, confidence 0.85
• Contacted 3 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 network infrastructure: http://netcdn.co/app/431946152/roblox-how-to-make-animations-free-game-hack, http://elearning.mts-al-ikhlas-woimenda.sch.id/__statics/gudangsoal/files/roblox-dominus-free_GM431946152.pdf, http://elearning.mts-al-ikhlas-woimenda.sch.id/__statics/gudangsoal/files/how-to-fly-hack-in-sword-simulator-roblox_GM431946152.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 (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

1153 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
• 40.126.14.160

Dropped files

• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• http://netcdn.co/app/431946152/roblox-how-to-make-animations-free-game-hack
• http://elearning.mts-al-ikhlas-woimenda.sch.id/__statics/gudangsoal/files/roblox-dominus-free_GM431946152.pdf
• http://elearning.mts-al-ikhlas-woimenda.sch.id/__statics/gudangsoal/files/how-to-fly-hack-in-sword-simulator-roblox_GM431946152.pdf
• http://elearning.mts-al-ikhlas-woimenda.sch.id/__statics/gudangsoal/files/how-to-send-free-spins-on-coin-master_GM406889139.pdf
• http://elearning.mts-al-ikhlas-woimenda.sch.id/__statics/gudangsoal/files/freer-pro-tiktok-fans_GM835599320.pdf
• http://elearning.mts-al-ikhlas-woimenda.sch.id/__statics/gudangsoal/files/tiktok-free-like-and-followers_GM835599320.pdf
• http://elearning.mts-al-ikhlas-woimenda.sch.id/__statics/gudangsoal/files/free-roblox-hack-us_GM431946152.pdf
• http://elearning.mts-al-ikhlas-woimenda.sch.id/__statics/gudangsoal/files/coin-master-hack-spin-generator_GM406889139.pdf
• http://elearning.mts-al-ikhlas-woimenda.sch.id/__statics/gudangsoal/files/pubg-mobile-uc-2021_GM1330123889.pdf
• http://elearning.mts-al-ikhlas-woimenda.sch.id/__statics/gudangsoal/files/coin-master-hack-apk-free-download_GM406889139.pdf
• http://elearning.mts-al-ikhlas-woimenda.sch.id/__statics/gudangsoal/files/coin-master-free-daily-spins-link-2021_GM406889139.pdf
• http://elearning.mts-al-ikhlas-woimenda.sch.id/__statics/gudangsoal/files/minecraft-download-free-download_GM479516143.pdf
• http://elearning.mts-al-ikhlas-woimenda.sch.id/__statics/gudangsoal/files/free-robux-generator-2021_GM431946152.pdf
• http://elearning.mts-al-ikhlas-woimenda.sch.id/__statics/gudangsoal/files/free-robux-no-tsts_GM431946152.pdf
• http://elearning.mts-al-ikhlas-woimenda.sch.id/__statics/gudangsoal/files/coin-master-hack-app_GM406889139.pdf
• http://elearning.mts-al-ikhlas-woimenda.sch.id/__statics/gudangsoal/files/coin-master-hack-tool-apk-download_GM406889139.pdf
• http://elearning.mts-al-ikhlas-woimenda.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-quora_GM406889139.pdf
• http://elearning.mts-al-ikhlas-woimenda.sch.id/__statics/gudangsoal/files/how-to-hack-in-robux-easy_GM431946152.pdf
• http://elearning.mts-al-ikhlas-woimenda.sch.id/__statics/gudangsoal/files/free-minecraft-svg-cutting-files_GM479516143.pdf
• http://elearning.mts-al-ikhlas-woimenda.sch.id/__statics/gudangsoal/files/free-robux-just-click_GM431946152.pdf
• http://elearning.mts-al-ikhlas-woimenda.sch.id/__statics/gudangsoal/files/how-to-get-1-million-robux-for-free-2021_GM431946152.pdf
• 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

Embedded domains

• netcdn.co
• elearning.mts-al-ikhlas-woimenda.sch.id
• x2.c.lencr.org
• ye.c.lencr.org
• yr.c.lencr.org

Embedded IP addresses

• 20.247.184.197
• 4.230.171.124
• 172.215.188.225

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report