MALICIOUS — c33cdb_92404df1483d4feda831ef52f4741ae8.pdf

MALICIOUS — c33cdb_92404df1483d4feda831ef52f4741ae8.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: 4421497692f108c06a5f12cb73b68c76d0fc7629defa3426287b1000cfa60422
• SHA-1: 9c1d17a9bf4757f6d30745c007efaaa39cff7a2f
• MD5: c5a88c3056732f1fa70c80d1f319f02b
• ssdeep: 768:8gGzpDdjyr1YYIzFFCl9TW1l9mdM/F1MIImXTN8FBP9/Bb6r7e6LFxS0VVBKwT:ZGFJjy2IOsWTKFB1/BGr7jZpVVBKwT
• TLSH: T1A232AEF32097DC9C3B8A9B03AEEB20966086D28D31739651559C376CD4BC5FDAE20970
• Submitted as: c33cdb_92404df1483d4feda831ef52f4741ae8.pdf
• File type: pdf · Size: 47197 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.PDF.Agent.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 HEUR:Trojan.PDF.Agent.gen (rule HEUR:Trojan.PDF.Agent.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=zelda+twilight+princess+randomizer, https://cdn.shopify.com/s/files/1/0433/5229/3541/files/certificate_of_training_completion_template_doc.pdf, https://cdn.shopify.com/s/files/1/0431/0610/7552/files/61309980201.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=zelda+twilight+princess+randomizer
• https://cdn.shopify.com/s/files/1/0433/5229/3541/files/certificate_of_training_completion_template_doc.pdf
• https://cdn.shopify.com/s/files/1/0431/0610/7552/files/61309980201.pdf
• https://cdn.shopify.com/s/files/1/0433/0350/1989/files/32798214951.pdf
• https://cdn.shopify.com/s/files/1/0458/5488/3993/files/reformer_catalyst_regeneration_process.pdf
• https://cdn.shopify.com/s/files/1/0433/5822/4549/files/caricature_software_free.pdf
• https://cdn.shopify.com/s/files/1/0431/1370/9722/files/answer_to_the_impossible_quiz_question_10.pdf
• https://cdn.shopify.com/s/files/1/0481/5873/6533/files/niruduv.pdf
• https://cdn.shopify.com/s/files/1/0434/4987/6630/files/to_kill_a_mockingbird_scavenger_hunt.pdf
• https://cdn.shopify.com/s/files/1/0437/3096/0536/files/josubi.pdf
• https://cdn.shopify.com/s/files/1/0463/2343/3634/files/hygiene_and_sanitation_practices.pdf
• http://dudobi.journeyboundmusic.com/uploads/1/3/0/7/130740141/6cb9fee01a444.pdf
• http://files.knotanddagger.com/uploads/1/3/1/4/131438111/rudasexozujik-liwinivujot-jelaloj.pdf
• http://files.patriotplayhouse.org/uploads/1/3/1/0/131071253/ginap.pdf
• https://903aeb52-73ba-4b87-9ad9-2d1cb747bb6c.filesusr.com/ugd/8ba634_3cda2f21e37c415b86942aed07c41229.pdf?index=true
• https://4979802e-0ce4-4320-b0c9-bd5619afab65.filesusr.com/ugd/bb10c5_82dcf409536d469ea5c87fda11d11bda.pdf?index=true
• https://808f7d3d-e226-4b9b-b25c-2522b5f6e94e.filesusr.com/ugd/362633_478e5329a0104d06a0aa9088d5dab143.pdf?index=true
• 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
• dudobi.journeyboundmusic.com
• files.knotanddagger.com
• files.patriotplayhouse.org
• 903aeb52-73ba-4b87-9ad9-2d1cb747bb6c.filesusr.com
• 4979802e-0ce4-4320-b0c9-bd5619afab65.filesusr.com
• 808f7d3d-e226-4b9b-b25c-2522b5f6e94e.filesusr.com
• vw.hk
• www.w3.org
• purl.org
• ns.adobe.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report