MALICIOUS — f55bec_399b56b5aec34ea7b3c837cdf84b8308.pdf

MALICIOUS — f55bec_399b56b5aec34ea7b3c837cdf84b8308.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (88/100). 3 of 53 detection engines flagged it.

Identification

• SHA-256: 5f2447aa1227b658e0ccb52334c032849d8493d96604cce5cfaa58b0bded1fb6
• SHA-1: 4f927025d03dfb27b8a6b1208c6b8a2369bf8bcc
• MD5: f860171423bd646cf48692b232fab620
• ssdeep: 768:MgGzpD4K7a1/245FsU8QBnU7LnAav0NpsEzx3gvFHlIL:JGFc5wR0NpbzpoFHlIL
• TLSH: T14A309EF354A7ED4CBA875F036D9600296146C68D7136E7A0089CB76CD8BC6BDAE00D61
• Submitted as: f55bec_399b56b5aec34ea7b3c837cdf84b8308.pdf
• File type: pdf · Size: 38226 bytes
• Verdict: malicious (88/100)

Detections (3 of 53 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• Emsisoft (Emergency Kit): PDF.Spam.Heur.1
• Kaspersky (KVRT): HEUR:Trojan.Script.Generic

Why this verdict

The malicious score of 88/100 is the fusion of 6 weighted signals:

• Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule PDF.Spam.Heur.1) - engine signal, weight 0.55, confidence 0.85
• Kaspersky (KVRT) flagged HEUR:Trojan.Script.Generic (rule HEUR:Trojan.Script.Generic) - 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://ttraff.club/wix?keyword=curve+fever+unblocked, http://zerara.audrayorktherapy.com/uploads/1/3/0/7/130775830/bavotabotufokaxo.pdf, http://vasam.erikalancaster.com/uploads/1/3/1/4/131453832/koletivixesurov-tufuw.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://ttraff.club/wix?keyword=curve+fever+unblocked
• http://zerara.audrayorktherapy.com/uploads/1/3/0/7/130775830/bavotabotufokaxo.pdf
• http://vasam.erikalancaster.com/uploads/1/3/1/4/131453832/koletivixesurov-tufuw.pdf
• http://files.themechatroniclibrary.com/uploads/1/3/0/8/130873979/45018b202a23a.pdf
• https://cdn.shopify.com/s/files/1/0429/8909/3018/files/gepage.pdf
• https://cdn.shopify.com/s/files/1/0433/9816/8725/files/freckle_juice_book.pdf
• https://cdn.shopify.com/s/files/1/0440/5306/9974/files/advanced_windows_debugging.pdf
• https://cdn.shopify.com/s/files/1/0432/3888/3485/files/hdfc_mutual_fund_redemption_form_online.pdf
• https://cdn.shopify.com/s/files/1/0437/5393/0901/files/pizimexotepukisenepubise.pdf
• https://cdn.shopify.com/s/files/1/0448/3586/4736/files/denukotamofafumabad.pdf
• https://cdn.shopify.com/s/files/1/0479/6861/6611/files/98596215613.pdf
• https://cdn.shopify.com/s/files/1/0437/9682/4221/files/mean_absolute_deviation_mad_worksheet.pdf
• https://5e19a0c3-d8cf-42b5-b0cb-91db4ba95944.filesusr.com/ugd/f65518_59ed9f887031415db9a1cdf83082fd13.pdf?index=true
• https://573eafa7-076e-4ee2-8751-7495ff8df65c.filesusr.com/ugd/1cc7e8_36a059d2e9ba40c3b602d8a0c67455ee.pdf?index=true
• 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

• ttraff.club
• zerara.audrayorktherapy.com
• vasam.erikalancaster.com
• files.themechatroniclibrary.com
• cdn.shopify.com
• 5e19a0c3-d8cf-42b5-b0cb-91db4ba95944.filesusr.com
• 573eafa7-076e-4ee2-8751-7495ff8df65c.filesusr.com
• www.w3.org
• purl.org
• ns.adobe.com

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