MALICIOUS — 8f64d43.pdf

MALICIOUS — 8f64d43.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (94/100). 5 of 50 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: fc7c8d0830e3d2a7033c44d68de7a24557eb0fe84dd6027f81673fb474bba908
• SHA-1: cc7c6b06639dd663a6b4f544b4861f2d6ca17f41
• MD5: b5355b688f7cc29a2bb3046679fb20a1
• ssdeep: 1536:NOKmO1ATBefxLT8+1RIeHGCcGbAxJoVvCUgHn0bvadP2aRrQ:NNATmPjIeHNcGbAxJoVGUeh2D
• TLSH: T1F637E0B33257DCCC7B876B635CAA144A6448D64DA133A5B220C8FF7D84B81FC6E15A42
• Submitted as: 8f64d43.pdf
• File type: pdf · Size: 69890 bytes
• Verdict: malicious (94/100)

Detections (5 of 50 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• ClamAV (daily): Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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 94/100 is the fusion of 5 weighted signals:

• ClamAV (daily) flagged Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 (rule Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0) - engine signal, weight 0.90, confidence 0.95
• Embedded link rated suspicious by URL analysis: https://rolawopu.weebly.com/uploads/1/3/4/3/134317168/bojokivopuzab.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: https://trafficel.ru/wb?keyword=resume%20writing%20worksheet%20pdf, https://cdn-cms.f-static.net/uploads/4414680/normal_5f94f5ed61c7a.pdf, https://cdn-cms.f-static.net/uploads/4421788/normal_5f9cc400f3ac7.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://trafficel.ru/wb?keyword=resume%20writing%20worksheet%20pdf
• https://cdn-cms.f-static.net/uploads/4414680/normal_5f94f5ed61c7a.pdf
• https://cdn-cms.f-static.net/uploads/4421788/normal_5f9cc400f3ac7.pdf
• https://s3.amazonaws.com/lijopavexanuse/crain_hyundai_in_little_rock_ar.pdf
• https://dasujodiket.weebly.com/uploads/1/3/4/4/134481559/be514ae1a141e65.pdf
• https://paxesejok.weebly.com/uploads/1/3/4/3/134348383/7237367.pdf
• https://duvonejubuzal.weebly.com/uploads/1/3/4/3/134321315/7864877.pdf
• https://dezuvatag.weebly.com/uploads/1/3/4/6/134667454/896edcc73.pdf
• https://cdn-cms.f-static.net/uploads/4366989/normal_5fa62f9caa63e.pdf
• https://rolawopu.weebly.com/uploads/1/3/4/3/134317168/bojokivopuzab.pdf
• https://guferewefozitak.weebly.com/uploads/1/3/4/3/134393558/ca654e6035f2be.pdf
• https://cdn-cms.f-static.net/uploads/4386852/normal_5fa141c9d49c9.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

• trafficel.ru
• cdn-cms.f-static.net
• s3.amazonaws.com
• dasujodiket.weebly.com
• paxesejok.weebly.com
• duvonejubuzal.weebly.com
• dezuvatag.weebly.com
• rolawopu.weebly.com
• guferewefozitak.weebly.com
• www.w3.org
• purl.org
• ns.adobe.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report