Malicious PDF — malware analysis report

Static analysis result for SHA-256 fbfdbc5cffa96bd9…

MALICIOUS

PDF

34.8 KB Created: 2021-06-19 02:49:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: bf33d81a0e949f570c9f8b71eb363f39 SHA-1: d0ba515b5c92e13f84e03fb3d3b23873e6dabd1a SHA-256: fbfdbc5cffa96bd994f6d3b948d0f97fc8ddb8405f1b7efb210458ef9003c58c
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains embedded links that point to known malicious redirector infrastructure, specifically designed to lure users with promises of free in-game currency and cheats. The ML classifier strongly flagged this PDF as malicious, and the presence of a visual download button further supports a malicious workflow. The document body, though truncated, contains URLs related to game hacks and generators, reinforcing the phishing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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://netcdn.co/app/431946152/www-roblox-free-com-generator.yolasite-game-hack In PDF document text
    • http://mcdougalfamily.site/images/free-robux-games-that-actually-work_GM431946152.pdfIn PDF document text
    • http://mcdougalfamily.site/images/free-robux-com-roblox_GM431946152.pdfIn PDF document text
    • http://mcdougalfamily.site/images/how-to-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://mcdougalfamily.site/images/free-robux-generator-no-human-verification_GM431946152.pdfIn PDF document text
    • http://mcdougalfamily.site/images/free-robux-copypasta_GM431946152.pdfIn PDF document text
    • http://mcdougalfamily.site/images/roblox-hack-to-get-robux-2021_GM431946152.pdfIn PDF document text
    • http://mcdougalfamily.site/images/hacked-roblox-accounts-list_GM431946152.pdfIn PDF document text
    • http://mcdougalfamily.site/images/coin-master-spin-ml_GM406889139.pdfIn PDF document text
    • http://mcdougalfamily.site/images/cheat-roblox-rs-2021_GM431946152.pdfIn PDF document text
    • http://mcdougalfamily.site/images/hack-de-robux-gratis_GM431946152.pdfIn PDF document text
    • http://mcdougalfamily.site/images/cheats-for-the-plaza-roblox_GM431946152.pdfIn PDF document text
    • http://mcdougalfamily.site/images/free-robux-safe_GM431946152.pdfIn PDF document text
    • http://mcdougalfamily.site/images/minecraft-build-hacks_GM479516143.pdfIn PDF document text
    • http://mcdougalfamily.site/images/how-to-buy-robux-for-free_GM431946152.pdfIn PDF document text
    • http://mcdougalfamily.site/images/minecraft-116-free-download_GM479516143.pdfIn PDF document text
    • http://mcdougalfamily.site/images/coin-master-hack-version-download-2021-ios_GM406889139.pdfIn PDF document text
    • http://mcdougalfamily.site/images/to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://mcdougalfamily.site/images/easiest-money-hack-february-roblox-rocitizens_GM431946152.pdfIn PDF document text
    • http://mcdougalfamily.site/images/roblox-fly-hack_GM431946152.pdfIn PDF document text
    • http://mcdougalfamily.site/images/coin-master-hack-without-human-verification-2021_GM406889139.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
font_00_sfnt_off00002f7d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F7D 22436 bytes
SHA-256: b632ca07f2c4bc3f2da98faecac65d773a6b6fa71b04413a16c6b408abc72ae1
font_01_sfnt_off00006159.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6159 19556 bytes
SHA-256: 26b87ebf8f809a6851ec2430e0399ab01a95873d2904eea62ccacb81a98591c8