MALICIOUS — 16659311285.pdf

MALICIOUS — 16659311285.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: 6213abce8527d6750cd223a0ff37c7972f1e61156d0e4822d8a673cafc9d2104
• SHA-1: 1e9c963f509480b879bc61146432ca64185ba931
• MD5: db803de183fd4aa72b28cd43bdd37916
• ssdeep: 768:5gGzpDLxTOd3vHN3kjLLOxf8x4phSELqbh98/H3r:6GFXm4CJ8mpkWS98/3r
• TLSH: T1CF319EF310ABDD8C69C76F879EAB11886185C3886132A7944898773CD0BC6FC6F14D61
• Submitted as: 16659311285.pdf
• File type: pdf · Size: 40636 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://gettraff.ru/strik?keyword=mcq+of+data+communication+and+networking+pdf, https://site-1037184.mozfiles.com/files/1037184/30595898435.pdf, https://site-1036764.mozfiles.com/files/1036764/74727299244.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://gettraff.ru/strik?keyword=mcq+of+data+communication+and+networking+pdf
• https://site-1037184.mozfiles.com/files/1037184/30595898435.pdf
• https://site-1036764.mozfiles.com/files/1036764/74727299244.pdf
• https://site-1036884.mozfiles.com/files/1036884/zarawelitaset.pdf
• https://site-1037082.mozfiles.com/files/1037082/63484574322.pdf
• https://cdn.shopify.com/s/files/1/0435/7593/5134/files/notes_of_a_native_son_summary.pdf
• https://site-1037071.mozfiles.com/files/1037071/77118780746.pdf
• https://site-1037157.mozfiles.com/files/1037157/xavoliwapokozamijumel.pdf
• https://site-1037187.mozfiles.com/files/1037187/90860831016.pdf
• https://site-1036639.mozfiles.com/files/1036639/zewujev.pdf
• https://uploads.strikinglycdn.com/files/98c0d302-0c19-47d4-b7dd-bc3e335a39b4/bumumeduloxaw.pdf
• https://uploads.strikinglycdn.com/files/6029214c-d49a-4d09-8b23-14e9d8595676/39213774806.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

• gettraff.ru
• site-1037184.mozfiles.com
• site-1036764.mozfiles.com
• site-1036884.mozfiles.com
• site-1037082.mozfiles.com
• cdn.shopify.com
• site-1037071.mozfiles.com
• site-1037157.mozfiles.com
• site-1037187.mozfiles.com
• site-1036639.mozfiles.com
• uploads.strikinglycdn.com
• www.w3.org
• purl.org
• ns.adobe.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report