Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d1bf3824ba3faf8…

MALICIOUS

PDF

34.1 KB Created: 2021-06-29 17:33:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 88d9620382c840fe555aaa5439ce6410 SHA-1: b566119797f1cb6893e3f1998d04f638275f2da0 SHA-256: 6d1bf3824ba3faf84d71765f334a4f71a6329eb5f769fd49f40c8906172ef49d
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains numerous links to external websites, with one identified as malicious redirector infrastructure. The document body and extracted URLs suggest a lure for downloading game cheats and hacks, such as for Roblox and Coin Master. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of malicious intent.

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/a-cheat-engine-6.7-do-roblox-aim-bot-game-hack In PDF document text
    • http://dismarinamt.com.br/images/spin-coin-master-free_GM406889139.pdfIn PDF document text
    • http://dismarinamt.com.br/images/free-minecraft-premium-account_GM479516143.pdfIn PDF document text
    • http://dismarinamt.com.br/images/roblox-delete-tool-hack_GM431946152.pdfIn PDF document text
    • http://dismarinamt.com.br/images/free-robux-picture_GM431946152.pdfIn PDF document text
    • http://dismarinamt.com.br/images/how-do-i-hack-steam-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://dismarinamt.com.br/images/coin-master-game-hack-app_GM406889139.pdfIn PDF document text
    • http://dismarinamt.com.br/images/free-2021-robux_GM431946152.pdfIn PDF document text
    • http://dismarinamt.com.br/images/how-to-hack-a-persons-roblox-account_GM431946152.pdfIn PDF document text
    • http://dismarinamt.com.br/images/how-to-get-free-spins-on-coin-master-2021-links_GM406889139.pdfIn PDF document text
    • http://dismarinamt.com.br/images/vido-roblox-free-robux-generatorcom_GM431946152.pdfIn PDF document text
    • http://dismarinamt.com.br/images/free-minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://dismarinamt.com.br/images/roblox-high-school-cheat-codes_GM431946152.pdfIn PDF document text
    • http://dismarinamt.com.br/images/coin-master-hack-without-verification-2021_GM406889139.pdfIn PDF document text
    • http://dismarinamt.com.br/images/can-i-get-robux-for-free_GM431946152.pdfIn PDF document text
    • http://dismarinamt.com.br/images/coin-master-generator-hack_GM406889139.pdfIn PDF document text
    • http://dismarinamt.com.br/images/how-to-get-a-lot-of-robux-hack_GM431946152.pdfIn PDF document text
    • http://dismarinamt.com.br/images/money-cheats-for-rocitizens-on-roblox_GM431946152.pdfIn PDF document text
    • http://dismarinamt.com.br/images/earn-free-robux-by-completing-offers-and-surveys_GM431946152.pdfIn PDF document text
    • http://dismarinamt.com.br/images/minecraft-mac-free_GM479516143.pdfIn PDF document text
    • http://dismarinamt.com.br/images/minecraft-hacked-client_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003005.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3005 21468 bytes
SHA-256: ef741b408b6fefcdcc8a13a0da9cc41bc147f7afcd784984947ab6d5ce12850e
font_01_sfnt_off00005ec9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EC9 19592 bytes
SHA-256: 88dccb1f102098a4fb6b7f85b332a7ad74d37c6897ef7f2dd2ff7319ef05f7a7

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