MALICIOUS — ca2100.pdf

MALICIOUS — ca2100.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: d01275bb2fe5c5c3478abef39d1b68eb69ad6a160771089deb33b89b82696eaa
• SHA-1: ba31ef1bb62ef76c62ef52d14ffd1643b6805258
• MD5: c7fe43a92f62fec8da59658bde22b1a4
• ssdeep: 1536:Fv6Eru5PgPWDJYXsfdLucloPM5W3qTpqXoZtn12UyATr/0npUxWBKVsWmLn:dE5POiSS9rlMOt12Uygr/0npUMEs3L
• TLSH: T15B39C0F32287CD8C77879F176AF6165CB54AC6A831339BA440887BACC57C16D2D20A91
• Submitted as: ca2100.pdf
• File type: pdf · Size: 84495 bytes
• Verdict: malicious (96/100)

Detections (4 of 53 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

• T1566.002

Why this verdict

The malicious score of 96/100 is the fusion of 5 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://static.s123-cdn-static.com/uploads/4457279/normal_5fc495bb5493b.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: https://trafficel.ru/wb?keyword=intl.%20numberformat%20default%20locale, https://static.s123-cdn-static.com/uploads/4457279/normal_5fc495bb5493b.pdf, https://static1.squarespace.com/static/5fc4d05c403f5353fdaeb827/t/5fce2cde24c49707d348e9ef/1607347423521/nazoserusodunifefexopalor.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://trafficel.ru/wb?keyword=intl.%20numberformat%20default%20locale
• https://s3.amazonaws.com/tazibabebamep/14687160249.pdf
• https://s3.amazonaws.com/bewibiwat/26667911341.pdf
• https://static.s123-cdn-static.com/uploads/4457279/normal_5fc495bb5493b.pdf
• https://static1.squarespace.com/static/5fc4d05c403f5353fdaeb827/t/5fce2cde24c49707d348e9ef/1607347423521/nazoserusodunifefexopalor.pdf
• https://static1.squarespace.com/static/5fc4c656affbf90a660350a0/t/5fc73cd48f0796361576c064/1606892757365/3195523988.pdf
• https://s3.amazonaws.com/wajufifenoxuj/63760359519.pdf
• https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf54573c02f22b9d0420db/1606374488618/xonoluvofifazuwetileloz.pdf
• https://static.s123-cdn-static.com/uploads/4389797/normal_5fd048aee222c.pdf
• https://s3.amazonaws.com/wusone/xulugemufewanomugetipa.pdf
• https://cdn-cms.f-static.net/uploads/4403410/normal_5f9e83c841ee0.pdf
• https://kakawugob.weebly.com/uploads/1/3/0/9/130969990/f38b7566561.pdf
• https://cdn-cms.f-static.net/uploads/4480145/normal_5fc2cb219bfd5.pdf
• https://s3.amazonaws.com/xijalovelokolep/black_dark_wallpaper.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

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

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report