MALICIOUS — putas.pdf

MALICIOUS — putas.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (94/100). 4 of 50 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 75316be0bd42005bf8dc2039af321661919fc3abc193c0d1f13e502817f423d0
• SHA-1: 261ebf0d96bbb028288124f8501de0bdbb0af6f0
• MD5: b4e0ae1a31c958202d16acfaef714f21
• ssdeep: 3072:+/pmYNdPN1JoN7SBbYM91Oj2DUC0+JG+2ezhqfbDwNj:+pTJoheOkJLjzhmDwB
• TLSH: T1703BF1F37157CD1E7786AF5796E2148EA40AC6C9B532659224CC3B2CC0B8ABD7E84470
• Submitted as: putas.pdf
• File type: pdf · Size: 104964 bytes
• Verdict: malicious (94/100)

Detections (4 of 50 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://static.s123-cdn-static.com/uploads/4366406/normal_5fe1fea3c4c28.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: https://ggtraff.ru/wb?keyword=marvel, https://cdn-cms.f-static.net/uploads/4428341/normal_5fb6766a0f503.pdf, https://cdn-cms.f-static.net/uploads/4378386/normal_5f8cf4692077e.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://ggtraff.ru/wb?keyword=marvel
• https://cdn-cms.f-static.net/uploads/4428341/normal_5fb6766a0f503.pdf
• https://cdn-cms.f-static.net/uploads/4378386/normal_5f8cf4692077e.pdf
• https://s3.amazonaws.com/vibuvomomuv/paguxapagaz.pdf
• https://cdn-cms.f-static.net/uploads/4414494/normal_5faad2f60d426.pdf
• https://s3.amazonaws.com/gowebabuxogiro/fibowew.pdf
• https://uploads.strikinglycdn.com/files/79731cef-5aed-4ecc-b249-e0cf44054a41/ap_statistics_test_5c_answer_key.pdf
• https://static.s123-cdn-static.com/uploads/4366406/normal_5fe1fea3c4c28.pdf
• https://s3.amazonaws.com/gudukupir/types_of_microscopes_comparison_chart_answer_key.pdf
• https://cdn-cms.f-static.net/uploads/4453730/normal_5fd8dbfe9c69e.pdf
• https://uploads.strikinglycdn.com/files/3183c7bf-26e4-45ff-b0e6-f4ae6f7850a5/37280245215.pdf
• https://s3.amazonaws.com/wopari/acta_neuropathologica_communications_author_guidelines.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

• ggtraff.ru
• cdn-cms.f-static.net
• s3.amazonaws.com
• uploads.strikinglycdn.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