MALICIOUS — 50235846405.pdf

MALICIOUS — 50235846405.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: d575dcfbf3fc625ab3926680fda19168f66973cece3a78007b10c91178ce04b0
• SHA-1: 56da270cdd9cfb1878bd214afdb9832006e1e953
• MD5: b16e1b068a37af83e6a5b8a5e11372d1
• ssdeep: 768:tgGzpDrJKCP8Kht94Yv1UO/yazR4ui1Vy2CTt:OGFXJ/8KhFdr/yuR2S2CTt
• TLSH: T17531ADF350A7EC8C778BAF075DB6106DA149D78D603392A498C8762ED4BC6ED5F00A20
• Submitted as: 50235846405.pdf
• File type: pdf · Size: 40881 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://cctraff.ru/strik?keyword=buchi+emecheta+pdf, http://nakavo.vallenduuk.pl/uploads/1/3/1/0/131070382/labolilasuk.pdf, http://files.merkconstruction.com/uploads/1/3/1/3/131381799/fb12e0c.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=buchi+emecheta+pdf
• http://nakavo.vallenduuk.pl/uploads/1/3/1/0/131070382/labolilasuk.pdf
• http://files.merkconstruction.com/uploads/1/3/1/3/131381799/fb12e0c.pdf
• http://files.skytextexturing.com/uploads/1/3/1/0/131069759/5432643.pdf
• http://files.tanyakruse.net/uploads/1/3/1/4/131414743/tiwonapobenodekudub.pdf
• http://files.leeandpoon.com/uploads/1/3/1/1/131163507/gumogipapose.pdf
• https://site-1036783.mozfiles.com/files/1036783/79559458513.pdf
• https://site-1036728.mozfiles.com/files/1036728/7114008047.pdf
• https://site-1037157.mozfiles.com/files/1037157/wuwosomadezuzosagumaxi.pdf
• https://site-1037071.mozfiles.com/files/1037071/refalajibotozubasug.pdf
• https://site-1036950.mozfiles.com/files/1036950/jegilopozukilerurevowajib.pdf
• https://site-1037218.mozfiles.com/files/1037218/99770681457.pdf
• https://site-1037224.mozfiles.com/files/1037224/27744559482.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
• nakavo.vallenduuk.pl
• files.merkconstruction.com
• files.skytextexturing.com
• files.tanyakruse.net
• files.leeandpoon.com
• site-1036783.mozfiles.com
• site-1036728.mozfiles.com
• site-1037157.mozfiles.com
• site-1037071.mozfiles.com
• site-1036950.mozfiles.com
• site-1037218.mozfiles.com
• site-1037224.mozfiles.com
• www.w3.org
• purl.org
• ns.adobe.com

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