MALICIOUS — tavok.pdf

MALICIOUS — tavok.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (78/100). 2 of 52 detection engines flagged it.

Identification

• SHA-256: 8b9ceb897665a5ecece1973e2ae06867de8fcd185c0dfdb4755016bf3a1da96c
• SHA-1: d828455c981b548ed44d032ee43ae4acf5a0d737
• MD5: c495498b888019ec8cf1bc8bc6a5a770
• ssdeep: 1536:LGFcRTtV6GtPh3FsVRL8EPJOkR4hDWY3lZYYc3:qFcJfjt1KnL8EP0kRcv1ZYP
• TLSH: T1BF35ADF3515BCD8C6ACAA747B8F200617646D74872229BA095C8BB7CC57C5BCAF10D60
• Submitted as: tavok.pdf
• File type: pdf · Size: 59949 bytes
• Verdict: malicious (78/100)

Detections (2 of 52 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• Emsisoft (Emergency Kit): PDF.Spam.Heur.1

Why this verdict

The malicious score of 78/100 is the fusion of 5 weighted signals:

• Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule PDF.Spam.Heur.1) - 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://cctraff.ru/strik?keyword=top+notch+3+student+book+pdf, https://cdn.shopify.com/s/files/1/0482/4701/3530/files/68213839295.pdf, https://cdn.shopify.com/s/files/1/0432/5651/2667/files/warrior_guide_black_desert_online.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://cctraff.ru/strik?keyword=top+notch+3+student+book+pdf
• https://cdn.shopify.com/s/files/1/0482/4701/3530/files/68213839295.pdf
• https://cdn.shopify.com/s/files/1/0432/5651/2667/files/warrior_guide_black_desert_online.pdf
• https://cdn.shopify.com/s/files/1/0433/7680/3990/files/3rd_master_hard_disk_error.pdf
• https://cdn.shopify.com/s/files/1/0483/9043/9080/files/mini_revolver_pistol.pdf
• https://site-1036830.mozfiles.com/files/1036830/15924027748.pdf
• https://site-1036991.mozfiles.com/files/1036991/nikefememirareniru.pdf
• https://site-1039549.mozfiles.com/files/1039549/muvemarejozugigafuv.pdf
• https://site-1036951.mozfiles.com/files/1036951/lomujazusafefixezotason.pdf
• https://site-1043405.mozfiles.com/files/1043405/dubilusa.pdf
• https://site-1037187.mozfiles.com/files/1037187/87779680429.pdf
• https://uploads.strikinglycdn.com/files/54ecea79-16b3-4159-86a5-36c72964fadc/nujovurezivovifoworunibe.pdf
• https://uploads.strikinglycdn.com/files/6c6319a9-fdc8-4f16-a925-99e716707cf5/86968388144.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

• cctraff.ru
• cdn.shopify.com
• site-1036830.mozfiles.com
• site-1036991.mozfiles.com
• site-1039549.mozfiles.com
• site-1036951.mozfiles.com
• site-1043405.mozfiles.com
• site-1037187.mozfiles.com
• uploads.strikinglycdn.com
• www.w3.org
• purl.org
• ns.adobe.com

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