Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d50aa3e588799ee…

MALICIOUS

PDF

34.5 KB Created: 2021-06-18 15:38:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 1a01e0ceea530384e4bb0b5f9a437c6f SHA-1: 2794be225d8faf194b1e5b23eeb5e450201ab0cc SHA-256: 2d50aa3e588799ee29aab0891e78ca8cda9c79e2a57737d7603d21421c840d5e
100 Risk Score

Malware Insights

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

The PDF document contains embedded URLs that lead to known malicious redirector infrastructure, specifically targeting users with lures related to game cheats and currency. The ML classifier strongly flagged this PDF as malicious, and the presence of a visual download button further supports a deceptive user interaction pattern. The document's content and linked URLs suggest an attempt to trick users into downloading or accessing harmful content.

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/como-obtener-robux-usando-cheat-engine-6.6-game-hack In PDF document text
    • http://aviaprofsoyuz.info/images/how-do-you-get-free-robux-on-roblox-ipad_GM431946152.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/hack-speed-vehicle-simulator-roblox_GM431946152.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/is-minecraft-free_GM479516143.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/coin-master-free-spins-apple_GM406889139.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/minecraft-pocket-edition-apk-free-download_GM479516143.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/robloxheroxyz-free-robux_GM431946152.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/how-to-get-free-robux-easy-no-download_GM431946152.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/robux-generator-without-verification_GM431946152.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/free-robux-games-that-actually-work-2021_GM431946152.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/free-robux-no-downloading-apps_GM431946152.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/freerobuxhack-us_GM431946152.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/roblox-god-mod-hack_GM431946152.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/how-to-make-your-own-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/free-mods-for-minecraft-pe_GM479516143.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/money-hack-adopt-me-roblox_GM431946152.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/divine-free-robux_GM431946152.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/roblox-jailbreak-how-to-get-all-cars-free_GM431946152.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/roblox-shirt-template-free_GM431946152.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/tiktok-free-steam-games_GM835599320.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/free-views-tiktok_GM835599320.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_off00002efb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2EFB 22220 bytes
SHA-256: 1801f50cf4c04fd73e4a20a62898b13f56fd30267a9ed466698c28037aa3f6ed
font_01_sfnt_off0000601b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x601B 19612 bytes
SHA-256: 50f9dc731cf547c469173a44b741a8164748d11140ffedf44ea82217dee5e222

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