MALICIOUS — diwosozobiren.pdf

MALICIOUS — diwosozobiren.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (70/100). 3 of 50 detection engines flagged it.

Identification

• SHA-256: 35afaf504fad1d86e7471b4dd82df2c817ee83ed198d9717ac2e09ec4edd65ab
• SHA-1: 7b9a9afff845028b857fd3cd09f096aadf08fcc8
• MD5: 700e1acee1ccf68600c3cd004825e963
• ssdeep: 1536:vGFqtQxpDNFbbQJgmS/HyT6LfQ85ycH5NoHdqkt+jnOEysvUG:eFqtQHNF4bkyT6LfrkC5NUdqktpEys5
• TLSH: T1A237DFF31057DD8CBA86AB03FDE2146C655AC78D613357A40889776CD4BC2BCAE20D91
• Submitted as: diwosozobiren.pdf
• File type: pdf · Size: 71735 bytes
• Verdict: malicious (70/100)

Detections (3 of 50 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• Emsisoft (Emergency Kit): PDF.Spam.Heur.1
• Kaspersky (KVRT): HEUR:Trojan.Script.Generic

Why this verdict

The malicious score of 70/100 is the fusion of 4 weighted signals:

• Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule PDF.Spam.Heur.1) - engine signal, weight 0.55, confidence 0.85
• Embedded network infrastructure: https://ggtraff.ru/strik?keyword=ielts+speaking+cue+cards+2018+with+answers+pdf, http://wibop.semoswatchallenge.com/uploads/1/3/0/7/130776104/f2462908.pdf, http://files.drsheilamckenzie.com/uploads/1/3/0/7/130775286/a39ad.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://ggtraff.ru/strik?keyword=ielts+speaking+cue+cards+2018+with+answers+pdf
• http://wibop.semoswatchallenge.com/uploads/1/3/0/7/130776104/f2462908.pdf
• http://files.drsheilamckenzie.com/uploads/1/3/0/7/130775286/a39ad.pdf
• http://lavinis.annadangerfield.com/uploads/1/3/0/8/130814124/ae0b94604d.pdf
• https://uploads.strikinglycdn.com/files/f873bb9c-d105-4244-886e-b61c0c2415fa/99825361455.pdf
• https://uploads.strikinglycdn.com/files/0c916e7e-e6f6-4b78-b63d-cc1d7d7e0078/sifevax.pdf
• https://uploads.strikinglycdn.com/files/11b65561-5c3e-45f2-8d06-0b9b90866179/91599278903.pdf
• https://site-1037011.mozfiles.com/files/1037011/futobikewu.pdf
• https://site-1036750.mozfiles.com/files/1036750/25281294492.pdf
• https://site-1037204.mozfiles.com/files/1037204/60167613562.pdf
• https://cdn.shopify.com/s/files/1/0431/4130/0380/files/thank_you_for_the_notice.pdf
• https://cdn.shopify.com/s/files/1/0429/6713/8460/files/natutafesugatazupefutata.pdf
• https://cdn.shopify.com/s/files/1/0437/9777/4497/files/c_c_music_factory_i_found_love.pdf
• https://cdn.shopify.com/s/files/1/0435/2075/3823/files/71131343165.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

• ggtraff.ru
• wibop.semoswatchallenge.com
• files.drsheilamckenzie.com
• lavinis.annadangerfield.com
• uploads.strikinglycdn.com
• site-1037011.mozfiles.com
• site-1036750.mozfiles.com
• site-1037204.mozfiles.com
• cdn.shopify.com
• www.w3.org
• purl.org
• ns.adobe.com

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