MALICIOUS — ef0078_28173ed41fe4406e8d969859bd4cca46.pdf

MALICIOUS — ef0078_28173ed41fe4406e8d969859bd4cca46.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: a90b70e589dd561678f62cb2b811011d0bd110c528144b7db6d225c1dd6f194b
• SHA-1: 9f0019551f4b3d754fafa1647c3bd70be01f817d
• MD5: f2cf0661bd327765e1dbce0a49e0ed90
• ssdeep: 3072:RFScZmG7smUj8a0fSu/KZTNHcp6nr0xMdgKvy3JS+zjor:3tD7Kj8aQSuST9rRg0+vA
• TLSH: T1B23DF1F34193EC9875936BD3AC9E2641954ACB8A2217D311089C723DCA7C57DBF209E2
• Submitted as: ef0078_28173ed41fe4406e8d969859bd4cca46.pdf
• File type: pdf · Size: 125715 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://ttraff.ru/wix?keyword=chapter+12+biology+the+dynamics+of+life+answer+key, https://cdn.shopify.com/s/files/1/0482/4783/2731/files/bewesawozazijuvemedi.pdf, https://cdn.shopify.com/s/files/1/0434/3827/6760/files/76072021965.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://ttraff.ru/wix?keyword=chapter+12+biology+the+dynamics+of+life+answer+key
• https://cdn.shopify.com/s/files/1/0482/4783/2731/files/bewesawozazijuvemedi.pdf
• https://cdn.shopify.com/s/files/1/0434/3827/6760/files/76072021965.pdf
• https://cdn.shopify.com/s/files/1/0430/0383/8615/files/radio_golf.pdf
• https://cdn.shopify.com/s/files/1/0432/2931/5229/files/astrea_42_price_list.pdf
• https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jotinu.pdf
• https://cdn.shopify.com/s/files/1/0437/8319/2738/files/window_registry_editor_version_5._00.pdf
• https://cdn.shopify.com/s/files/1/0435/2750/4024/files/70405320251.pdf
• https://cdn.shopify.com/s/files/1/0433/5393/1944/files/56162812776.pdf
• https://cdn.shopify.com/s/files/1/0429/8362/0767/files/makefile_check_if_directory_exists.pdf
• https://cdn.shopify.com/s/files/1/0434/1540/4695/files/army_ordnance_corps_admit_card_2017.pdf
• https://cdn.shopify.com/s/files/1/0432/5752/8480/files/43757376861.pdf
• https://cdn.shopify.com/s/files/1/0433/6159/9656/files/10348859678.pdf
• https://cdn.shopify.com/s/files/1/0441/0202/5368/files/soribujejexajemaz.pdf
• https://cdn.shopify.com/s/files/1/0429/6579/4965/files/49533815494.pdf
• https://cdn.shopify.com/s/files/1/0434/9889/7574/files/996793598.pdf
• https://cdn.shopify.com/s/files/1/0433/0687/7080/files/datufezon.pdf
• https://cdn.shopify.com/s/files/1/0433/3849/8206/files/58621390317.pdf
• https://cdn.shopify.com/s/files/1/0438/4358/4162/files/anyplace_control_free.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

• ttraff.ru
• cdn.shopify.com
• www.w3.org
• purl.org
• www.glencoe.com
• ns.adobe.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report