MALICIOUS — 51840903032.pdf

MALICIOUS — 51840903032.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: d1f76b7718ef41669792473f633d87a757f2a7170227d7807f92c41f831e56ba
• SHA-1: f296931d58cbb392aecbac60a885f2033cb7a59d
• MD5: 293c8538460b4c7c2a189ab21dec7e5f
• ssdeep: 768:WgGzpD6FqoayWIsDLc47DlWiBq6CTwg/F6Dvip17AiB7yXlPWPoxcQ:DGFKqtk47rCTyvIAkslPkoWQ
• TLSH: T11932AEF31157DC8C7ACAAF03ADEB10286186C38C6122A6A418D9B76CC07C6FDEF54561
• Submitted as: 51840903032.pdf
• File type: pdf · Size: 46804 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://gettraff.ru/strik?keyword=biology+class+9+chapter+1+notes+pdf, https://uploads.strikinglycdn.com/files/ad23663e-6bcd-4d45-8ed3-06d96e35408c/kupugosobosositenuvepume.pdf, https://uploads.strikinglycdn.com/files/f5c641c3-ecc8-4ef1-af3b-b3cda35bc4b1/rewegirozijamowimasilo.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=biology+class+9+chapter+1+notes+pdf
• https://uploads.strikinglycdn.com/files/ad23663e-6bcd-4d45-8ed3-06d96e35408c/kupugosobosositenuvepume.pdf
• https://uploads.strikinglycdn.com/files/f5c641c3-ecc8-4ef1-af3b-b3cda35bc4b1/rewegirozijamowimasilo.pdf
• https://uploads.strikinglycdn.com/files/88c5a428-7abc-4be2-86f6-7e128e296aee/71290803968.pdf
• https://site-1036973.mozfiles.com/files/1036973/kekojizizikunivasatugoje.pdf
• https://site-1036850.mozfiles.com/files/1036850/29497451926.pdf
• https://site-1036692.mozfiles.com/files/1036692/64122908410.pdf
• https://site-1036724.mozfiles.com/files/1036724/firomujodu.pdf
• https://site-1037238.mozfiles.com/files/1037238/24070556602.pdf
• https://site-1037215.mozfiles.com/files/1037215/sadub.pdf
• http://zotomub.hairaddictsalon.com/uploads/1/3/0/8/130814328/dejiberejil-nefakedozux-topalikusida.pdf
• http://lofen.trinitygrovecity.org/uploads/1/3/0/7/130776138/nuwow.pdf
• http://files.northwesternartreview.com/uploads/1/3/1/8/131871921/7456377.pdf
• http://senigig.stevenconn.net/uploads/1/3/1/4/131407498/7576917.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
• uploads.strikinglycdn.com
• site-1036973.mozfiles.com
• site-1036850.mozfiles.com
• site-1036692.mozfiles.com
• site-1036724.mozfiles.com
• site-1037238.mozfiles.com
• site-1037215.mozfiles.com
• zotomub.hairaddictsalon.com
• lofen.trinitygrovecity.org
• files.northwesternartreview.com
• senigig.stevenconn.net
• www.w3.org
• purl.org
• ns.adobe.com

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