Malicious PDF — malware analysis report

Static analysis result for SHA-256 cee04115e13d0a6d…

MALICIOUS

PDF

76.9 KB Created: 2021-04-10 16:13:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4ecf5f326395eeffb41618f04ba6bef6 SHA-1: 7742c1de746da9abeba2ce728b45ee57f7ca4e4b SHA-256: cee04115e13d0a6d4dd743ba212144d869a8bf4f7f7200fd102f75ba38a044dd
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document contains an embedded URI pointing to 'https://botokaw.ru/strik?utm_term=madame+bovary+famous+quotes', which is likely a phishing lure. The presence of PDF_URI and EMBEDDED_URL heuristics further supports the phishing attack pattern. No scripts were extracted, but the overall structure and URL suggest a phishing attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://botokaw.ru/strik?utm_term=madame+bovary+famous+quotes
    • http://spoonnumberone.xyz/android_studio_screen_capture_devicete7be.pdf
    • https://zudibuliri.weebly.com/uploads/1/3/5/3/135319562/7321308.pdf
    • https://cdn.sqhk.co/ribegibonot/ijeha2M/luxigemu.pdf
    • https://cdn-cms.f-static.net/uploads/4420034/normal_5fd2014bdb3b4.pdf
    • https://cdn-cms.f-static.net/uploads/4467601/normal_601f043eb7bde.pdf
    • https://cdn.sqhk.co/kenoramof/gdfgiIM/mefev.pdf
    • https://cdn.sqhk.co/nupopobax/pzjdDhh/battle_at_sea_jutland_smithsonian.pdf
    • https://rixapuboxexegat.weebly.com/uploads/1/3/4/3/134348256/fubuwexojozuzuze.pdf
    • https://cdn.sqhk.co/bexutavukaro/cia9Uwz/download_game_driving_school_2018_mod_apk_rexdl.pdf
    • https://cdn-cms.f-static.net/uploads/4404965/normal_605615d21c729.pdf
    • https://cdn-cms.f-static.net/uploads/4373770/normal_605924a0d260d.pdf
    • http://jushq.club/71752148899nsra7.pdf
    • https://wemogejivaje.weebly.com/uploads/1/3/1/0/131070934/03bfc492ae87e5d.pdf
    • https://gokepitamewema.weebly.com/uploads/1/3/5/3/135325242/1bdfbe.pdf
    • http://flowerport.store/89534666331gslx9.pdf
    • https://cdn.sqhk.co/zipirevofu/ZXgfibk/old_dominion_freight_line_driver_application.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/a546d772-42b0-4815-a27c-883afaee01eb/17605173588.pdf
    • https://s3.amazonaws.com/zunewidimem/otp_bypass_india_number_app.pdf
    • https://s3.amazonaws.com/jazamerijekufol/64100758230.pdf
    • https://uploads.strikinglycdn.com/files/f0f75113-e3a2-467a-83fe-16bbf1801358/business_psychology_colors.pdf
    • https://s3.amazonaws.com/xeropizuwe/jowerevanutapazoful.pdf
    • https://s3.amazonaws.com/kegovev/lifesmart_infrared_heater_customer_service.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/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f004.bin
54c7acd157660577f9f8ec71b8e44d0d9aecaf2b2a5d2f2bc42497f5b62dc49b		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF004 5456 bytes
font_01_sfnt_off0001028f.bin
96c53d21193f8113c32422fb3169cca8201ef2f77445e89063431017af7bd424		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1028F 10444 bytes

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