MALICIOUS — vobobag.pdf

MALICIOUS — vobobag.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (78/100). 2 of 53 detection engines flagged it.

Identification

• SHA-256: 193af2dbdea606b5062e590c474835f2ff93cf5d6fec9b4487a0389a241f59af
• SHA-1: ceb361a15517d9a0f3187de6511a730abfc9c802
• MD5: 8ea1f2b075810cdc3cc5d26f6ce1f46f
• ssdeep: 768:bgGzpDDrida6QKAciFPnLE6ca6EMWsPWhvoj4aomKF2zePiN3bZHcz6rNbuhE8:kGF/rqkEEsV2F2zePiN3CurNbuhE8
• TLSH: T166319EF31057EC8D7A4FAB076EEB114D2056D68E7032A7B058986A2CE47C5FDAE10D21
• Submitted as: vobobag.pdf
• File type: pdf · Size: 41852 bytes
• Verdict: malicious (78/100)

Detections (2 of 53 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=acca+dipifr+study+text+pdf, https://site-1036936.mozfiles.com/files/1036936/16783707732.pdf, https://site-1036881.mozfiles.com/files/1036881/dotojuw.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=acca+dipifr+study+text+pdf
• https://site-1036936.mozfiles.com/files/1036936/16783707732.pdf
• https://site-1036881.mozfiles.com/files/1036881/dotojuw.pdf
• https://site-1037273.mozfiles.com/files/1037273/35799653771.pdf
• https://site-1036855.mozfiles.com/files/1036855/36069159106.pdf
• https://cdn.shopify.com/s/files/1/0457/5464/6684/files/26159696276.pdf
• https://cdn.shopify.com/s/files/1/0430/7465/0261/files/www.airconsole.com_tv_el_cdigo.pdf
• https://cdn.shopify.com/s/files/1/0437/2057/3080/files/prison_bitch_name_generators.pdf
• https://cdn.shopify.com/s/files/1/0431/2471/9773/files/bavatimetesa.pdf
• https://site-1037246.mozfiles.com/files/1037246/janujivivaxolojaran.pdf
• https://site-1037069.mozfiles.com/files/1037069/17949275372.pdf
• https://site-1037188.mozfiles.com/files/1037188/maborawexek.pdf
• https://cdn.shopify.com/s/files/1/0432/9334/3899/files/wesezedufefabozagojutuv.pdf
• https://cdn.shopify.com/s/files/1/0437/6051/7271/files/resort_empire_unblocked.pdf
• https://cdn.shopify.com/s/files/1/0447/3644/6613/files/reduce_file_size_adobe_reader_online.pdf
• https://cdn.shopify.com/s/files/1/0434/0265/7957/files/essentials_of_stochastic_processes_solution_manual.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
• site-1036936.mozfiles.com
• site-1036881.mozfiles.com
• site-1037273.mozfiles.com
• site-1036855.mozfiles.com
• cdn.shopify.com
• site-1037246.mozfiles.com
• site-1037069.mozfiles.com
• site-1037188.mozfiles.com
• www.w3.org
• purl.org
• ns.adobe.com

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