MALICIOUS — 11fb7d11e3594b1da8eecbc1a5f1863ce157e4f80abdb97df75c7e0426b2fa6d
MALICIOUS — 11fb7d11e3594b1da8eecbc1a5f1863ce157e4f80abdb97df75c7e0426b2fa6d 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:
11fb7d11e3594b1da8eecbc1a5f1863ce157e4f80abdb97df75c7e0426b2fa6d - SHA-1:
6a49b1dd6a6a2f3ab6de1ae6dc5b0b04d1b01573 - MD5:
862312009d6819143b6849d21bdb2c75 - ssdeep:
1536:f/MWKJ5bC46U6mPaRm7GvdqKT0k/Ta2z1loRrU70ntot9b/xp:n1g5bC4ymPkz1qKT0CnO47gtoXbv - TLSH:
T1E237C0F76087DD8CA9476F03BEE71489A199E74CA232DB9045C9B31E883C6ED7E14640 - Submitted as: 11fb7d11e3594b1da8eecbc1a5f1863ce157e4f80abdb97df75c7e0426b2fa6d
- File type: pdf · Size: 76136 bytes
- Verdict: malicious (100/100)
Detections (5 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
- Trellix Stinger (McAfee): PDF/Phish-FAB!862312009D68
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 100/100 is the fusion of 11 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 - Embedded link rated malicious by URL analysis: https://uploads.strikinglycdn.com/files/15a500b4-2732-4462-a3eb-9aef07bbe539/why_is_my_whirlpool_duet_dryer_not_starting.pdf - network signal, weight 0.70, confidence 0.80
- 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!862312009D68 (rule
PDF/Phish-FAB!862312009D68) - 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://zajinet.ru/strik?utm_term=when+to+upgrade+to+th8, https://uploads.strikinglycdn.com/files/15a500b4-2732-4462-a3eb-9aef07bbe539/why_is_my_whirlpool_duet_dryer_not_starting.pdf, https://uploads.strikinglycdn.com/files/36e3dd42-d5b2-4928-8a34-00d895e616f0/what_size_tires_jeep_wrangler.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 6 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
- Extracted generic config (12 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
1009 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
- 23.40.52.209
- 23.11.37.157
- 40.126.14.160
- 52.110.12.25 AU · Sydney · AS8075 Microsoft Corporation
- 52.110.12.38 AU · Sydney · AS8075 Microsoft Corporation
- 4.230.171.124 KR · Seoul · AS8075 Microsoft Corporation
- 23.33.238.207
- 74.178.240.51 NL · Amsterdam · AS8075 Microsoft Corporation
- 20.165.94.63 US · San Antonio · AS8075 Microsoft Corporation
- 20.50.201.204 US · AS8075 Microsoft Corporation
- 192.168.122.116
- 199.232.138.172
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://zajinet.ru/strik?utm_term=when+to+upgrade+to+th8
- https://s3.amazonaws.com/diwitapezu/idsa_guidelines_c._diff.pdf
- https://uploads.strikinglycdn.com/files/15a500b4-2732-4462-a3eb-9aef07bbe539/why_is_my_whirlpool_duet_dryer_not_starting.pdf
- https://uploads.strikinglycdn.com/files/36e3dd42-d5b2-4928-8a34-00d895e616f0/what_size_tires_jeep_wrangler.pdf
- https://s3.amazonaws.com/pisedij/subject_verb_agreement_worksheet_grade_10.pdf
- https://uploads.strikinglycdn.com/files/c392c286-7951-4aad-9cdb-7cb8cd853541/62789321972.pdf
- https://bipokedofep.weebly.com/uploads/1/3/5/3/135322207/9422837.pdf
- https://uploads.strikinglycdn.com/files/53046703-1f40-4227-a161-7735153e29c5/dadikadagalozevarelazo.pdf
- https://uploads.strikinglycdn.com/files/658d3d4a-47d3-4fba-9c72-fdf427649d9c/2006_bmw_330i_blower_motor_resistor_replacement.pdf
- https://xubuvene.weebly.com/uploads/1/3/1/3/131380433/bejijumukakix_tivorizi.pdf
- https://uploads.strikinglycdn.com/files/4c85fcdb-842a-4c31-86c3-dc552b8427e1/30995234307.pdf
- https://uploads.strikinglycdn.com/files/2a122df7-dd43-4dc3-801e-e2829f0d8841/76138958702.pdf
- https://uploads.strikinglycdn.com/files/d899ca65-4441-472f-8141-d01d6c6163d8/14433548777.pdf
- https://s3.amazonaws.com/genukopapovixo/36253707951.pdf
- https://s3.amazonaws.com/kovozenamofox/guns_germs_and_steel_book_online.pdf
- https://uploads.strikinglycdn.com/files/77bd687d-2e60-4a47-a50a-52bf75dfb3ba/faraditagejuxukazida.pdf
- https://uploads.strikinglycdn.com/files/d8198c21-4b38-49aa-ae40-627fa47955f7/tixes.pdf
- https://s3.amazonaws.com/geradi/bashment_riddim_by_dj_lyta.pdf
- https://s3.amazonaws.com/livivuvuwugeb/navon.pdf
- https://uploads.strikinglycdn.com/files/136ada54-3792-4e87-9bbc-d56a2d191f0d/wotujizaxek.pdf
- https://s3.amazonaws.com/fajeloninesitel/verudusazabo.pdf
- https://uploads.strikinglycdn.com/files/927b6dcd-ae6f-4c2a-b513-6525541da970/why_dont_my_desktop_shortcuts_work_anymore.pdf
- https://s3.amazonaws.com/jupudizadid/cooperation_agreements_template.pdf
- https://uploads.strikinglycdn.com/files/839c1087-9438-4e45-ac2a-e45e443be5d5/8880269585.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
Embedded domains
- zajinet.ru
- s3.amazonaws.com
- uploads.strikinglycdn.com
- bipokedofep.weebly.com
- xubuvene.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.110.12.25
- 52.110.12.38
- 4.230.171.124
- 74.178.240.51
- 20.165.94.63
- 20.50.201.204
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report