Malicious PDF — malware analysis report

Static analysis result for SHA-256 fbb50e9ded40df5c…

MALICIOUS

PDF

76.3 KB Created: 2021-03-07 11:37:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6ac402393d8c978e0f661c22b6186630 SHA-1: 2c5c02ba1e57a3737428bb12b1510e22256273b8 SHA-256: fbb50e9ded40df5c5beaaa20e8f98d11040752adea64692696fd9bb97df821c1
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that, when clicked, redirects to a website offering a movie download. This is a classic phishing lure, designed to trick users into visiting a potentially malicious site. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://vilenefex.ru/wix?keyword=joker+2019+full+movie+hd+download+with+english+subtitles
    • https://static.s123-cdn-static.com/uploads/4379385/normal_5fe526d42c412.pdf
    • https://static.s123-cdn-static.com/uploads/4425487/normal_5fff067b3ae73.pdf
    • http://tasigezagu.scienceontheweb.net/what_is_the_definition_of_christian_morality.pdf
    • http://vogeposekuxav.66ghz.com/chillr_money_transfer_app.pdf
    • https://cdn.sqhk.co/mafowixodi/ukUgehi/nusuda.pdf
    • http://megidexabaror.mywebcommunity.org/what_is_the_boiling_point_of_ethanol_at_standard_pressure.pdf
    • https://xaliwituxezaxe.weebly.com/uploads/1/3/5/3/135323019/pofamu-nexex-xemulebul.pdf
    • https://cdn-cms.f-static.net/uploads/4489853/normal_6010966cd7810.pdf
    • https://cdn.sqhk.co/vivokunavu/kpjfZeT/91277233154.pdf
    • http://malanefire.sportsontheweb.net/acer_laptop_price_in_bd_2020.pdf
    • https://cdn.sqhk.co/tajudozizif/hagcPSg/zara_home_furniture_sale.pdf
    • https://pesawuzopedeg.weebly.com/uploads/1/3/5/3/135327269/sulugiteto.pdf
    • https://simepatu.weebly.com/uploads/1/3/4/2/134267103/moziluletixorokako.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://lupixopuvir.onlinewebshop.net/65236590387.pdf
    • http://xonisuxumezitez.epizy.com/eureka_central_vacuum_owners_manual.pdf
    • http://nufiwimuzobo.onlinewebshop.net/nascla_contractors_guide_tennessee.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_off0000eb40.bin
bcad19f3298d180c4c1193ff4815739d7cdfff05212ad4e29e53f4c66e07ea70		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEB40 6148 bytes
font_01_sfnt_off00010018.bin
8a86b267eb84f7d246de28728521a546e011a1069fc2a16b1d8a890c282d2e70		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10018 10424 bytes

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