Malicious PDF — malware analysis report

Static analysis result for SHA-256 8b4081618c14598c…

MALICIOUS

PDF

76.5 KB Created: 2017-03-09 00:37:23 UTC Authoring application: RAD PDF (via RAD PDF 2.38.3.1 - http://www.radpdf.com)
MD5: 84c839359623154189af98771e505d8f SHA-1: f769cc9618cf13878d26c04f313bf1fbb3976496 SHA-256: 8b4081618c14598cf855a879a578d0a042237e79b2155873f805c127bc8a6f7b
112 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

This PDF document is identified as malicious by ClamAV and an ML classifier. It functions as a lure, presenting an image that likely contains a clickable element directing users to 'http://legendjewelries.gq'. The PDF_IMAGE_LURE heuristic indicates a common phishing tactic where a full-page screenshot hides a malicious link. The embedded URLs suggest a potential phishing or malware distribution campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8864

Heuristics 4

  • ClamAV: Pdf.Dropper.Agent-7280555-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7280555-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 2 image(s), only 1 text block(s), carries a click-outward action, and is only 76 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://legendjewelries.gq
    • http://http://legendjewelries.gq/QUOTATION%20DOCUMENTS.html
    • http://legendjewelries.gq/QUOTATION%20DOCUMENTS.html
    • http://disfracesjosmen.es/themes/leo_fresh_store/mails/es/css/quatation.htm
    • http://postmasterservice.tk
    • http://postmaster0o0.890m.com/DOCUMENTS.html
    • http://www.radpdf.com)/Creator(RAD
    • http://www.dynaforms.com
    • http://www.radpdf.com
    • http://xincubetrade.16mb.com
    • http://xincubeimport.hol.es
    • http://chinagoldbuyers.16mb.com
    • http://fidjetimportandexportgroup.hol.es
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000013c7.bin
d43e7b69e1e25fe070d522da94c4396003aae12eb7a75aecb2cc0f5e5feef6a6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13C7 73728 bytes

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