MALICIOUS — 4bfc2553d5f20a.pdf

MALICIOUS — 4bfc2553d5f20a.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100). 4 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

SHA-256: 4598f169c95105a5f7f668ecf56ecf4dc34452b7e6cba451f5a4d18b5ae3f857
SHA-1: 5e4d24cbe45c408d6cb8a862e468414168999dfc
MD5: 2b7be7f882a5dcf3496113999566ecb3
ssdeep: 1536:z9KST9eVFWZKu/GuLW44/Qwj8dhcg/y9meyEYaqePVi92dJeNXabcFWU5rHjf:RKo8VFu/GuLWpWkC/eaNXYcfrT
TLSH: T10936DFF35147DC8C3B865F636EE6456CA589E6CCB923EB4088C4B72CC8B956D2D10E60
Submitted as: 4bfc2553d5f20a.pdf
File type: pdf · Size: 64521 bytes
Verdict: malicious (96/100)

Detections (4 of 53 engines)

MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
ClamAV (daily): Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
Emsisoft (Emergency Kit): PDF.Spam.Heur.1
Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

T1566.002

Why this verdict

The malicious score of 96/100 is the fusion of 5 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
Embedded link rated malicious by URL analysis: https://static.s123-cdn-static.com/uploads/4480145/normal_5fcae7359b1c3.pdf - network signal, weight 0.70, confidence 0.80
Embedded network infrastructure: https://trafffi.ru/wb?keyword=independent%20and%20dependent%20clauses%20worksheets%206th%20grade, https://cdn-cms.f-static.net/uploads/4457296/normal_5fa12b34f2ace.pdf, https://static1.squarespace.com/static/5fc13eea24b06a7eb3017ad5/t/5fcac5cb9114cf21bd0e5f16/1607124428494/lafinog.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

Dynamic analysis

No runtime behaviour was captured for this sample, so the analysis above is static only. That is a limit of this run rather than evidence the sample does nothing.

Embedded URLs

https://trafffi.ru/wb?keyword=independent%20and%20dependent%20clauses%20worksheets%206th%20grade
https://cdn-cms.f-static.net/uploads/4457296/normal_5fa12b34f2ace.pdf
https://s3.amazonaws.com/nafibanefexex/89240816220.pdf
https://static1.squarespace.com/static/5fc13eea24b06a7eb3017ad5/t/5fcac5cb9114cf21bd0e5f16/1607124428494/lafinog.pdf
https://cdn-cms.f-static.net/uploads/4499351/normal_5fba06d9652a4.pdf
https://xuzutewoduka.weebly.com/uploads/1/3/4/3/134364923/rexopak-wemolekifu-xegubopinaz-fuzomupeja.pdf
https://cdn-cms.f-static.net/uploads/4387430/normal_5f99cd2834ae1.pdf
https://static1.squarespace.com/static/5fc3ab40bdb33045eed37d5e/t/5fca14854e3f3d251742a499/1607079051323/the_burger_shoppe_menu.pdf
https://static.s123-cdn-static.com/uploads/4480145/normal_5fcae7359b1c3.pdf
https://static.s123-cdn-static.com/uploads/4388620/normal_5fc3de9c7a9ff.pdf
https://s3.amazonaws.com/xezujuxoz/ori_and_the_blind_forest_abilities.pdf
https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf4be708845d0924809cd6/1606372337026/newosalexifawefi.pdf
https://cdn-cms.f-static.net/uploads/4421969/normal_5f9b70cbeb570.pdf
https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf532ae18c5c478ef2ae59/1606374187230/89727542180.pdf
https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbdff73fa04221c71e70579/1606287220124/synonyms_for_satisfaction_in_french.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/
http://ns.adobe.com/xap/1.0/
http://ns.adobe.com/xap/1.0/mm/
http://ns.adobe.com/xap/1.0/rights/

Embedded domains

trafffi.ru
cdn-cms.f-static.net
s3.amazonaws.com
static1.squarespace.com
xuzutewoduka.weebly.com
static.s123-cdn-static.com
www.w3.org
purl.org
ns.adobe.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report