Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e24e1980cd287bf…

MALICIOUS

PDF

70.6 KB Created: 2021-02-26 08:58:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26
MD5: b4c19f90c2d3d557407ce4a6c85abedc SHA-1: 698cd12ab37e1657d5b1cb96671704aa2a55f66c SHA-256: 0e24e1980cd287bf86ee40369171b66e0a8b530b0701c9eb7b72b309a5b6f322
104 Risk Score

Malware Insights

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

The PDF document contains a lure for a movie download, which is a common tactic for phishing and malware distribution. The embedded URL and numerous other URLs point to potentially malicious content. ClamAV detection and ML classification strongly indicate malicious intent, likely involving the download of a secondary payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://druttle.ru/wb?keyword=the%20other%20side%20of%20the%20door%20movie%20download%20in%20300mb PDF link annotation
    • https://cdn.sqhk.co/manizamo/hfjjHjb/north_star_diagnostic_imaging_flower_mound_location.pdfIn PDF document text
    • https://cdn.sqhk.co/temirikuji/ejcjadh/78263310395.pdfIn PDF document text
    • http://pojekofa.iblogger.org/85161592554.pdfIn PDF document text
    • http://saxefitipar.iblogger.org/83499270815.pdfIn PDF document text
    • https://cdn.sqhk.co/pefisemise/ghhTggF/99850677694.pdfIn PDF document text
    • https://tamipabofoj.weebly.com/uploads/1/3/4/8/134876193/vazaxisu.pdfIn PDF document text
    • https://jevebuna.weebly.com/uploads/1/3/4/5/134594548/f594e11ea3.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/lezerawe/44134090923.pdfIn PDF document text
    • http://fojigexojapox.rf.gd/86604181478.pdfIn PDF document text
    • http://nigiragesowujow.epizy.com/27194547198.pdfIn PDF document text
    • https://s3.amazonaws.com/zomuzigo/ropuxosikirukuxuzufejumaf.pdfIn PDF document text
    • https://s3.amazonaws.com/bevekizadoxuj/lumos_learning_free_worksheets.pdfIn PDF document text
    • http://zokimokutowe.epizy.com/12644836296.pdfIn PDF document text
    • http://girodoge.epizy.com/xarelto_dosing_guide.pdfIn PDF document text
    • http://poxemibusap.epizy.com/bangla_song_ringtone.pdfIn PDF document text
    • https://s3.amazonaws.com/xutomoxu/bella_ft_olamide_video.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d63b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD63B 5692 bytes
SHA-256: 94002ae20b73f25eb0f05df188199b849d4e2d8fc68c43fb661faf057cbfa9c5
font_01_sfnt_off0000e976.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE976 10464 bytes
SHA-256: b66ea5c9271d61d8af75568facb6e96f9322b35d143caf34f3291dc6b2a12a91

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