MALICIOUS — c33cdb_15384c5fe63a425b8cc240b06f67a214.pdf

MALICIOUS — c33cdb_15384c5fe63a425b8cc240b06f67a214.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: 6f992a6aff9ee55024e2af117b6d19f7a5eb8464e45ad9329ab99eefd281af79
• SHA-1: df2e4ef8a99af705d75a9b5dddbaa56db7bdd0ac
• MD5: d36233b186c595b6f2cc43e81fcd4a6a
• ssdeep: 768:IgGzpDzpi6mG5cMYin8h/7XAkHrD+qXoUcoN/nxdn95PTVKpChB7jw1H:FGFPaTwkHH+YoUcyd/LcYhBHw1H
• TLSH: T18031BFF36057EE893A876B039EA711586149C78C523796A419DC3F2CD0BCAFD7E10A21
• Submitted as: c33cdb_15384c5fe63a425b8cc240b06f67a214.pdf
• File type: pdf · Size: 42974 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): UDS:Trojan.PDF.SBadur.gen

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 UDS:Trojan.PDF.SBadur.gen (rule UDS:Trojan.PDF.SBadur.gen) - 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=middle+school+art+concepts, https://cdn.shopify.com/s/files/1/0428/3708/2271/files/71556078470.pdf, https://cdn.shopify.com/s/files/1/0432/4130/8319/files/daydream_believer_chords.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=middle+school+art+concepts
• https://cdn.shopify.com/s/files/1/0428/3708/2271/files/71556078470.pdf
• https://cdn.shopify.com/s/files/1/0432/4130/8319/files/daydream_believer_chords.pdf
• https://cdn.shopify.com/s/files/1/0477/3865/0780/files/ask_listen_refer_answers.pdf
• https://cdn.shopify.com/s/files/1/0440/4579/5493/files/group_isomorphism_theorems.pdf
• https://cdn.shopify.com/s/files/1/0434/1887/8117/files/behavioral_finance_syllabus.pdf
• https://cdn.shopify.com/s/files/1/0427/5198/3783/files/13234920006.pdf
• https://cdn.shopify.com/s/files/1/0432/6942/3269/files/welomomafevavopevetuk.pdf
• https://6b1c1404-0863-4c3f-b3bd-7082b1e290d9.filesusr.com/ugd/8a9bcc_93b68a5e298b48d0acde1f3b44b849dd.pdf?index=true
• https://b1ae68a8-94ed-4b64-ba1c-b30a98a92891.filesusr.com/ugd/ed8107_a23f1be8caf24361a2e823a0b8428a03.pdf?index=true
• https://2acc6b8a-96dc-4201-a807-582ce86e7147.filesusr.com/ugd/64bd79_d93a8ce272eb4e0fa31241f1047f5710.pdf?index=true
• https://809a7bcf-18c5-4cab-9c49-0c413a0364f1.filesusr.com/ugd/69695d_4f91dc956c5e4d968bdb1fed4787ccca.pdf?index=true
• https://cdn.shopify.com/s/files/1/0435/1574/0314/files/16731748365.pdf
• https://cdn.shopify.com/s/files/1/0441/0572/8152/files/58416404866.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
• 6b1c1404-0863-4c3f-b3bd-7082b1e290d9.filesusr.com
• b1ae68a8-94ed-4b64-ba1c-b30a98a92891.filesusr.com
• 2acc6b8a-96dc-4201-a807-582ce86e7147.filesusr.com
• 809a7bcf-18c5-4cab-9c49-0c413a0364f1.filesusr.com
• www.w3.org
• purl.org
• ns.adobe.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report