MALICIOUS — e1731e53f52499b5964379c310f9e8cb88444f4f124fbf39c44d792792cbcf1f
MALICIOUS — e1731e53f52499b5964379c310f9e8cb88444f4f124fbf39c44d792792cbcf1f is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100). 5 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
e1731e53f52499b5964379c310f9e8cb88444f4f124fbf39c44d792792cbcf1f - SHA-1:
4a3be9224b2f6b9af2230e67b87b6fafd23680dd - MD5:
55eeb4a441fad6aefbb89e6933955e5c - ssdeep:
1536:BzJ6TyyX0yEFNCKrlh8mh6G90mHq+nvV86aC5jnGT6QrDmycGCkJID:JJ6TyyX0lCKrlRjymPvV8CRGTrjFCkm - TLSH:
T11C38C0F321EBDD9CBE499B577DB2555E208EE3496062DBA080087B3CC0BC5AE7D10651 - Submitted as: e1731e53f52499b5964379c310f9e8cb88444f4f124fbf39c44d792792cbcf1f
- File type: pdf · Size: 80879 bytes
- Verdict: malicious (99/100)
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!55EEB4A441FA
- 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-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!55EEB4A441FA (rule
PDF/Phish-FAB!55EEB4A441FA) - 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 - MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-blob (rule
high-entropy-blob) - engine signal, weight 0.35, confidence 0.70 - Embedded network infrastructure: https://bologen.ru/123?utm_term=understanding+equifax+credit+report+codes, https://uploads.strikinglycdn.com/files/3b64af28-433f-4419-ab50-fa21a34f765d/dikebufuraw.pdf, https://uploads.strikinglycdn.com/files/54409d57-720a-401a-8a1f-1184db7ee43c/nobojevivilaresux.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
- Contacted 5 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
- Extracted generic config (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
1039 behavior events · 0 ATT&CK techniques · 1 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- ntp.ubuntu.com
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- 23.40.52.85
- 23.11.37.157
- 20.190.142.167
- 52.253.84.76 SG · Singapore · AS8075 Microsoft Corporation
- 52.123.252.204 AU · Sydney · AS8075 Microsoft Corporation
- 184.84.165.136 AU · Sydney · AS20940 Akamai Technologies, Inc.
- 23.198.40.44
- 4.230.171.124 KR · Seoul · AS8075 Microsoft Corporation
- 23.46.10.55
- 192.168.122.110
- 48.211.4.16 US · Ashburn · AS8075 Microsoft Limited
- 2.18.226.39
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://bologen.ru/123?utm_term=understanding+equifax+credit+report+codes
- https://uploads.strikinglycdn.com/files/3b64af28-433f-4419-ab50-fa21a34f765d/dikebufuraw.pdf
- https://uploads.strikinglycdn.com/files/54409d57-720a-401a-8a1f-1184db7ee43c/nobojevivilaresux.pdf
- https://uploads.strikinglycdn.com/files/07026656-87b1-443c-8de2-2d5d8e37f54c/32886834679.pdf
- https://cdn-cms.f-static.net/uploads/4483072/normal_601751d7bfb22.pdf
- https://uploads.strikinglycdn.com/files/4938a043-fc86-45c8-8fd1-5d90b3643375/why_does_my_heater_keep_saying_e1.pdf
- https://uploads.strikinglycdn.com/files/a8950849-3341-40a9-8421-10e687bcd30f/what_are_the_properties_of_simple_molecular_substances.pdf
- https://cdn-cms.f-static.net/uploads/4417405/normal_605eefe793a3b.pdf
- https://cdn-cms.f-static.net/uploads/4459177/normal_604ac769bc621.pdf
- https://cdn-cms.f-static.net/uploads/4467950/normal_601410ff84d4b.pdf
- https://uploads.strikinglycdn.com/files/aa7dfce9-c4df-4458-8f1a-b1d64a34eb48/how_to_study_for_ca_real_estate_broker_exam.pdf
- https://cdn-cms.f-static.net/uploads/4417037/normal_6017361c645a0.pdf
- https://uploads.strikinglycdn.com/files/eafcd6df-db89-44bc-95e0-3aded82ab9d3/graco_pack_n_play_sheets_2_pack.pdf
- https://uploads.strikinglycdn.com/files/efb155e9-ee4c-4a0c-8265-0a72c0311125/73045892962.pdf
- https://uploads.strikinglycdn.com/files/d0cd1790-7ce7-463f-a392-7072bfc5207c/dd_beyond_coupon_jan_2021.pdf
- https://uploads.strikinglycdn.com/files/3d6185f9-4929-496f-ad32-b516dbe11bca/can_you_cook_chicken_in_air_fryer_without_oil.pdf
- https://static.s123-cdn-static-d.com/uploads/4503584/normal_60b1eb17e03e0.pdf
- https://uploads.strikinglycdn.com/files/2b4803da-4e60-4f10-b2db-80fc86933a68/rimidowuken.pdf
- https://uploads.strikinglycdn.com/files/e5496aef-ab28-481d-ab9b-4271e288936e/48916787895.pdf
- https://uploads.strikinglycdn.com/files/b3511528-f514-4f2c-9f19-b0c4cdfb7a96/how_do_you_reprogram_a_liftmaster_keypad.pdf
- https://cdn-cms.f-static.net/uploads/4366407/normal_6061ab68b9a57.pdf
- https://uploads.strikinglycdn.com/files/b0c1c92c-3e85-4627-bd2c-0da17b04415e/82733185439.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
- bologen.ru
- uploads.strikinglycdn.com
- cdn-cms.f-static.net
- static.s123-cdn-static-d.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.253.84.76
- 52.123.252.204
- 184.84.165.136
- 4.230.171.124
- 48.211.4.16
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report