MALICIOUS — 4102fe88930bb76f7cb83442112ff827b51fba56989e817895d04ea9864aa8fe

MALICIOUS — 4102fe88930bb76f7cb83442112ff827b51fba56989e817895d04ea9864aa8fe 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: 4102fe88930bb76f7cb83442112ff827b51fba56989e817895d04ea9864aa8fe
• SHA-1: f2208379167f1bb882b8542883f81cda34c4d20c
• MD5: 583f58bbb15db8f699f10a34076581c1
• ssdeep: 1536:+VlXXeWR6uaii8DTXUd+kPoMkJec3zqW7smxJCIyqvF5I8oCyg+3eV3v1o1ww:kR6nabW+E+ECz37smrCIxPWmhdoF
• TLSH: T17F3AE1EB70D7EC4F3B56BB8369AB24793051C2D82532EA61484C767C86BC16E7F10891
• Submitted as: 4102fe88930bb76f7cb83442112ff827b51fba56989e817895d04ea9864aa8fe
• File type: pdf · Size: 97086 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

• T1105
• T1566.002

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 7 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: http://form-lnstagramcopyrightservice.com/animal_personality_test4qh0d.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: https://druttle.ru/award?keyword=global+branding+strategies+pdf, http://form-lnstagramcopyrightservice.com/animal_personality_test4qh0d.pdf, http://lnstagram-support.live/592116862746v5ii.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)

1076 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
• 20.190.167.21

Dropped files

• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• https://druttle.ru/award?keyword=global+branding+strategies+pdf
• http://form-lnstagramcopyrightservice.com/animal_personality_test4qh0d.pdf
• http://lnstagram-support.live/592116862746v5ii.pdf
• http://livecopyrightverification.com/kunixafomudupisoxobstotj.pdf
• http://remontlegko.info/eso_imperial_city_vet_guide4gily.pdf
• http://pedron.fun/tolakawegegokalunogcft.pdf
• https://cdn.sqhk.co/minofavazu/iCFjhhd/pewdiepie_merch_face_mask.pdf
• http://123dutch.com/lego_harry_potter_1-4_hogwarts_mapxpf0s.pdf
• https://cdn.sqhk.co/gimovitax/gHgdnjg/mikesi.pdf
• https://55963656-6eb1-4b25-bcd5-bb835d65808b.filesusr.com/ugd/0064ae_b82bd74ea8ee434d9729c1f929b2486e.pdf?index=true
• http://lnstagram-helping.live/free_ac_dc_ringtones_for_iphonek0xg1.pdf
• https://cdn.sqhk.co/nalujujoso/87ih26w/28440541553.pdf
• http://gbarb.me/62733498458l8pvp.pdf
• https://cdn.sqhk.co/wekaradukuve/FxB5bhe/kgf_mother_sad_ringtone_download_pagalworld.pdf
• https://c3438639-6a75-4920-aa4f-d1e0b619354f.filesusr.com/ugd/3be3a7_def39a243def4691b5a478235db3359b.pdf?index=true
• http://dorofudi.epizy.com/android_studio_google_sign_in_button.pdf
• http://copyright-notice-ig.com/searchview_code_in_androidosj71.pdf
• http://znatural.space/gemotulezefofu5vegb.pdf
• http://geperazal.epizy.com/comprehension_worksheets_ks3_uk.pdf
• http://hopecommunitynaz.com/what_book_goes_after_the_last_olympianpnqy9.pdf
• http://idealsit.space/ipod_touch_4th_generation_battery_replacementnb8s8.pdf
• https://1a413096-4115-453c-84a6-e19f3d0a1e7a.filesusr.com/ugd/4a2d03_9ba782d8e5dd4d89b9a688ca75e7b33a.pdf?index=true
• http://odebayitrafikhizmeti.com/learn_russian_alphabet_gamex8c1s.pdf
• http://www.w3.org/1999/02/22-rdf-syntax-ns#
• http://purl.org/dc/elements/1.1/

Embedded domains

• druttle.ru
• form-lnstagramcopyrightservice.com
• lnstagram-support.live
• livecopyrightverification.com
• remontlegko.info
• pedron.fun
• cdn.sqhk.co
• 123dutch.com
• 55963656-6eb1-4b25-bcd5-bb835d65808b.filesusr.com
• lnstagram-helping.live
• gbarb.me
• c3438639-6a75-4920-aa4f-d1e0b619354f.filesusr.com
• dorofudi.epizy.com
• copyright-notice-ig.com
• znatural.space
• geperazal.epizy.com
• hopecommunitynaz.com
• idealsit.space
• 1a413096-4115-453c-84a6-e19f3d0a1e7a.filesusr.com
• odebayitrafikhizmeti.com
• www.w3.org
• purl.org
• ns.adobe.com
• x2.c.lencr.org
• ye.c.lencr.org

Embedded IP addresses

• 4.247.188.233
• 52.110.12.15
• 4.230.171.124
• 20.184.175.12
• 20.247.184.142
• 74.178.76.128
• 72.153.5.128

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report