MALICIOUS — normal_5fa84fe22ed90.pdf

MALICIOUS — normal_5fa84fe22ed90.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (70/100). 3 of 50 detection engines flagged it.

Identification

• SHA-256: 34d22a210a84456fc4d6516d54b4d92d37dbf4f5a5772067deda25e98beecf98
• SHA-1: da92284a5ac83daf6a792b8be8ca8522a611094f
• MD5: b26c7afae28966c4c6a284d426910dfb
• ssdeep: 1536:TGFNjiTK3hKeNYuhEfq4GDUXi9MiKz3cg:iFNjKK3hTNYuGfdGwCMi2L
• TLSH: T17833BEF3216BEE9C2ACBAF1368F9144C6185C68D60329B2455DDB76CC4BC6BC7E50920
• Submitted as: normal_5fa84fe22ed90.pdf
• File type: pdf · Size: 51649 bytes
• Verdict: malicious (70/100)

Detections (3 of 50 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 70/100 is the fusion of 4 weighted signals:

• Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule PDF.Spam.Heur.1) - engine signal, weight 0.55, confidence 0.85
• Embedded network infrastructure: https://traffnew.ru/123?keyword=upon+receipt+meaning, https://cdn-cms.f-static.net/uploads/4374984/normal_5f8e2bdf67309.pdf, https://uploads.strikinglycdn.com/files/ac59055e-74cf-47ab-a185-af7a757e2957/53425245068.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://traffnew.ru/123?keyword=upon+receipt+meaning
• https://fajogamapu.files.wordpress.com/2020/11/precis_writing_download.pdf
• https://s3.amazonaws.com/mijedusovineti/83983643279.pdf
• https://cdn-cms.f-static.net/uploads/4374984/normal_5f8e2bdf67309.pdf
• https://uploads.strikinglycdn.com/files/ac59055e-74cf-47ab-a185-af7a757e2957/53425245068.pdf
• https://sisiviweze.files.wordpress.com/2020/11/goresosuvufat.pdf
• https://vidijesavus.files.wordpress.com/2020/11/genki_i_an_integrated_course_in_ele.pdf
• https://cdn-cms.f-static.net/uploads/4371786/normal_5f90e4e66c98d.pdf
• https://s3.amazonaws.com/sevoga/58134366894.pdf
• https://uploads.strikinglycdn.com/files/e0409da9-2c42-48be-a5ba-d6854736a292/47279308066.pdf
• https://cdn-cms.f-static.net/uploads/4448556/normal_5fa398603e6b5.pdf
• https://pupirod.files.wordpress.com/2020/11/sagob.pdf
• https://xisobapujizutu.weebly.com/uploads/1/3/4/5/134585888/0e4c3c813f.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

• traffnew.ru
• fajogamapu.files.wordpress.com
• s3.amazonaws.com
• cdn-cms.f-static.net
• uploads.strikinglycdn.com
• sisiviweze.files.wordpress.com
• vidijesavus.files.wordpress.com
• pupirod.files.wordpress.com
• xisobapujizutu.weebly.com
• www.w3.org
• purl.org
• ns.adobe.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report