MALICIOUS — fiwosivamobodab.pdf

MALICIOUS — fiwosivamobodab.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (92/100). 4 of 50 detection engines flagged it.

Identification

• SHA-256: 742b3684bf7e8258d36fb972b2ea24ccd975da2ee768ca92260d5a526073f4c9
• SHA-1: 943e3ede0313a7c002ebd9b55c1e38c0e64d5276
• MD5: b19ca931b33faaeb9cffbe660c368c7b
• ssdeep: 1536:cRRSdT23W6rT96xQbP6iLegX/NxOxjp5Vc4TM:eRgKVT0xJiegX1xOzwb
• TLSH: T15736D0F7914BDDCD7E896B13BAE95048B405DA8C9031BAC40998B27DC67CAFD7B20811
• Submitted as: fiwosivamobodab.pdf
• File type: pdf · Size: 67801 bytes
• Verdict: malicious (92/100)

Detections (4 of 50 engines)

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

Why this verdict

The malicious score of 92/100 is the fusion of 4 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 network infrastructure: https://cctraff.ru/wb?keyword=wechat%20web%20without%20phone, https://cdn-cms.f-static.net/uploads/4475563/normal_5fbf5d5007eb1.pdf, https://uploads.strikinglycdn.com/files/972c0dc0-9798-4274-a7d0-b13a7c7a9fc3/65896372295.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/wb?keyword=wechat%20web%20without%20phone
• https://s3.amazonaws.com/sepawi/cationic_dyes.pdf
• https://cdn-cms.f-static.net/uploads/4475563/normal_5fbf5d5007eb1.pdf
• https://s3.amazonaws.com/bisegilupuf/sekuxaj.pdf
• https://s3.amazonaws.com/bipovoromoj/45414284964.pdf
• https://uploads.strikinglycdn.com/files/972c0dc0-9798-4274-a7d0-b13a7c7a9fc3/65896372295.pdf
• https://s3.amazonaws.com/toliwudalamem/82297058580.pdf
• https://s3.amazonaws.com/naxizugenabi/realidades_2_workbook_core_practice_answers.pdf
• https://s3.amazonaws.com/mipeboro/midenajofusekuvojisilo.pdf
• https://s3.amazonaws.com/guxosa/curso_bsico_de_violo_para_iniciantes.pdf
• https://s3.amazonaws.com/tesapibebujep/13790428128.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
• s3.amazonaws.com
• cdn-cms.f-static.net
• uploads.strikinglycdn.com
• www.w3.org
• purl.org
• ns.adobe.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report