MALICIOUS — 8690820.pdf

MALICIOUS — 8690820.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (94/100). 4 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 68b1956a0db06991364356c965a1e8f122ac53b5a545e6c76ccf6c1e444a84a5
• SHA-1: 8434dd461cf85bb9c58496d0b5ee58f60b46b0d7
• MD5: 9720d5e6485368a2ad33950e036dab15
• ssdeep: 1536:V9RHHiziNm90bKdR00Nztgo2PZBWEtKusrVP1ZgJr5P0bsGQ:xHHiz2yIKI0NzwPd98VPMRku
• TLSH: T12137D0B3619BDD4C6A579B937AAB2058305486897532E67004C4F27C88BC3FEBF41B61
• Submitted as: 8690820.pdf
• File type: pdf · Size: 70308 bytes
• Verdict: malicious (94/100)

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 94/100 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 suspicious by URL analysis: https://cdn-cms.f-static.net/uploads/4385634/normal_5fa99bef8b901.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: https://traffset.ru/wb?keyword=hypertrophic%20cardiomyopathy%20treatment%20guidelines, https://cdn-cms.f-static.net/uploads/4385634/normal_5fa99bef8b901.pdf, https://cdn-cms.f-static.net/uploads/4365549/normal_5f8711c05c7e9.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://traffset.ru/wb?keyword=hypertrophic%20cardiomyopathy%20treatment%20guidelines
• https://cdn-cms.f-static.net/uploads/4385634/normal_5fa99bef8b901.pdf
• https://cdn-cms.f-static.net/uploads/4365549/normal_5f8711c05c7e9.pdf
• https://s3.amazonaws.com/janodojivi/raw_calamari_nutritional_information.pdf
• https://s3.amazonaws.com/wifukedot/bharat_petroleum_online_form.pdf
• https://s3.amazonaws.com/jamokaroxoj/50670705757.pdf
• https://s3.amazonaws.com/vuraradaso/hack_game_defender_3_cho_android.pdf
• https://cdn-cms.f-static.net/uploads/4369643/normal_5f87e500127f9.pdf
• https://s3.amazonaws.com/sezutuma/led_on_iphone.pdf
• https://s3.amazonaws.com/wavunot/smartsheet_pmo_templates.pdf
• https://s3.amazonaws.com/litunux/10738911710.pdf
• https://cdn-cms.f-static.net/uploads/4420448/normal_5fa841d63a7ad.pdf
• https://s3.amazonaws.com/vovuzize/81411733289.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

• traffset.ru
• cdn-cms.f-static.net
• s3.amazonaws.com
• www.w3.org
• purl.org
• ns.adobe.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report