MALICIOUS — intermediate_microsoft_word_skills.pdf

MALICIOUS — intermediate_microsoft_word_skills.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100). 5 of 50 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 6811d45e3eed65890cf35079b97cc501c21858c6d7fab4c2cb5ba26f474b1a25
• SHA-1: 6f3fad23c4c0afa825a9c394cfc2194c94996287
• MD5: d889e0afc9c7d7db463262bff40a1052
• ssdeep: 1536:HXdezG3r6y4HturD6y6ZjGg3LrWLwvfCKhtGkP:x7EHorDYZjG1wvaKP9
• TLSH: T1E436D0F3A1BBFD4CB642977339E9581C25D8C68C253292E544887B3CD57C9BD3909A20
• Submitted as: intermediate_microsoft_word_skills.pdf
• File type: pdf · Size: 65930 bytes
• Verdict: malicious (96/100)

Detections (5 of 50 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• ClamAV (daily): Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Microsoft Defender: flagged
• Emsisoft (Emergency Kit): PDF.Spam.Heur.1
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

• T1566.002

Why this verdict

The malicious score of 96/100 is the fusion of 5 weighted signals:

• ClamAV (daily) flagged Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 (rule Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0) - engine signal, weight 0.90, confidence 0.95
• Embedded link rated malicious by URL analysis: https://uploads.strikinglycdn.com/files/cd4da6ae-366e-4962-8792-77eaf23c9ac6/wiseburn_child_development_center.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: https://traffset.ru/strik?utm_term=intermediate+microsoft+word+skills, https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf68dd9ee0f32b874c0c4e/1606379742089/wavigetege.pdf, https://static1.squarespace.com/static/5fc514788ef7301f8b2bec82/t/5fc991a287b36f46d4f7635b/1607045538544/21655450996.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://traffset.ru/strik?utm_term=intermediate+microsoft+word+skills
• https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf68dd9ee0f32b874c0c4e/1606379742089/wavigetege.pdf
• https://s3.amazonaws.com/susopuzupure/35247019605.pdf
• https://s3.amazonaws.com/fosagoba/kaputibafutilusewekepudiw.pdf
• https://s3.amazonaws.com/forupokisip/jbl_studio_530_forum.pdf
• https://s3.amazonaws.com/pevuwarobuvowa/xesokuz.pdf
• https://static1.squarespace.com/static/5fc514788ef7301f8b2bec82/t/5fc991a287b36f46d4f7635b/1607045538544/21655450996.pdf
• https://static1.squarespace.com/static/5fc15a3c60f2895dc1eafeb7/t/5fc3a82d1972c46e3c0dd05f/1606658094781/jadixakos.pdf
• https://uploads.strikinglycdn.com/files/bd8f6efb-2fad-4b2f-8991-6ccbf178fe2a/5188216373.pdf
• https://s3.amazonaws.com/fowikorejodi/tamilrockers_hd_movie_2018_maari_2.pdf
• https://s3.amazonaws.com/woneketelak/waterfall_model_in_software_testing.pdf
• https://uploads.strikinglycdn.com/files/cd4da6ae-366e-4962-8792-77eaf23c9ac6/wiseburn_child_development_center.pdf
• https://s3.amazonaws.com/jeponowon/gate_engineering_mathematics_notes_free.pdf
• https://s3.amazonaws.com/nakevoja/keranuxuketekosejuzozegu.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

• traffset.ru
• static1.squarespace.com
• s3.amazonaws.com
• uploads.strikinglycdn.com
• www.w3.org
• purl.org
• ns.adobe.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report