Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce6cba06ce557792…

MALICIOUS

PDF

36.0 KB Created: 2021-05-22 02:07:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-02
MD5: 5ea1c97b05140292ae66a62f3508d882 SHA-1: 354b4ff93e1f8d22e7bf9f2ed111ce64946c4d28 SHA-256: ce6cba06ce557792de0584b07f455428602d9ebdd3c85c5097e543c62cb89973
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9492

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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
  • 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://netcdn.xyz/app/479516143/minecraft-hacks-game-hack PDF link annotation
    • http://d-loft.com.tr/images/roblox-arsenal-hacks-download_GM431946152.pdfIn PDF document text
    • http://d-loft.com.tr/images/how-to-hack-coin-master-ios-2021_GM406889139.pdfIn PDF document text
    • http://d-loft.com.tr/images/real-coin-master-hacks_GM406889139.pdfIn PDF document text
    • http://d-loft.com.tr/images/how-to-make-free-robux_GM431946152.pdfIn PDF document text
    • http://d-loft.com.tr/images/rbx-com_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00003420.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3420 25216 bytes
SHA-256: c2b31d9fedfcd750fa6fc5c37e02ba4aac4a33b5a77847641dcc1967aff251fd
font_01_sfnt_off00006d53.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D53 17740 bytes
SHA-256: 0307ae1fdf286ae380d36e270ef5c992f348f7a5470d5d5ce449782a5f21d577

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