Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d589fe0491504df…

MALICIOUS

PDF

42.4 KB Created: 2021-05-13 13:43:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 0ec83cfe5f40ed828a49f362dfba7b0f SHA-1: 4da13dbcf3cb78a483843b39addb67a4475d1884 SHA-256: 3d589fe0491504dfa4b408f6f7e7a50b8579412992080e4143bd5e617b15aa2e
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 0.9971

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/406889139/coin-master-free-spins-a2z-help-game-hack PDF link annotation
    • http://parsbaft.com/images/coin-master-free-attack-link_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/free-100-robux_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/how-do-you-get-free-roblox_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/haktuts-coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/roblox-premium-free_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/hacks-for-minecraft-bedrock_GM479516143.pdfIn PDF document text
    • http://parsbaft.com/images/how-to-get-free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/safe-hack-for-coin-master-android_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/free-coin-master-credit_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/100-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/are-minecraft-realms-free_GM479516143.pdfIn PDF document text
    • http://parsbaft.com/images/roblox-free-hats_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/free-spin-coin-master-new-link_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/toolbox-for-minecraft_GM479516143.pdfIn PDF document text
    • http://parsbaft.com/images/how-to-hack-peoples-roblox-accounts_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/robux-robux_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/minecraft-hack-mod_GM479516143.pdfIn PDF document text
    • http://parsbaft.com/images/free-robux-images_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/cm-free-spins_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/coin-master-get-free-spins_GM406889139.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
stream_003_off000049f0.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49F0 25076 bytes
SHA-256: 43a55218f42e27d74ddcf92ed5f832ad9510870eebd9d9062f9e87fce7f52016
font_01_sfnt_off000083df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83DF 18168 bytes
SHA-256: a5884a39bf45b42a5821e2aa54ec8691fbc2d69a0c3221e4e545f5cdbb5ba5a1

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