Malicious PDF — malware analysis report

Static analysis result for SHA-256 39e0953a11343799…

MALICIOUS

PDF

44.5 KB Created: 2021-06-03 06:00:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 38969c703ee3a9c85bb15ff6ced84a75 SHA-1: c1da69de686c46ff91b907b66a70dee3c1ff53d4 SHA-256: 39e0953a11343799b39ac6bbea432d80e16781edd0cca707680c579ddedcf70f
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure related to game hacks, specifically for 'Coin Master', directing users to a URL that likely hosts a malicious payload or phishing page. The presence of embedded URLs and the ML classifier's high confidence score indicate a malicious intent. No scripts were extracted, but the document's structure and embedded links suggest it's designed to trick users into downloading further malware or visiting malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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.online/app/406889139/how-to-get-free-unlimited-coins-in-coin-master-game-hack PDF link annotation
    • https://asiavisiontreks.com/userfiles/files/coin-master-hack-iphone_GM406889139.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/coin-master-free-spins-and-cards_GM406889139.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/microsoft-bing-free-robux_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/free-spins-and-coins-com_GM406889139.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/coin-master-hack-android_GM406889139.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/roblox-hack-game_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/coin-master-free-spin-link-app_GM406889139.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/get-free-robux-now_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/coin-master-spin-cheat_GM406889139.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/coin-master-hack-mod-apk-unlimited-spins_GM406889139.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/roblox-free-robux-website_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/minecraft-free-reddit_GM479516143.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/coin-master-hack-ios-no-verification_GM406889139.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/free-robux-hack-no-verification_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/free-coins-and-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/how-to-get-2021-robux-for-free_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/free-coin-master-spin-app_GM406889139.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/roblox-com-robux_GM431946152.pdfIn PDF document text
    • https://asiavisiontreks.com/userfiles/files/roblox-free-roblox_GM431946152.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_004_off000051bc.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x51BC 25700 bytes
SHA-256: 63fea9d133df47bc090ab00fa6b0372ff0249cca55c50a275e14ad868852bd68
font_01_sfnt_off00008aca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8ACA 18568 bytes
SHA-256: 17c3bfe6e2b09087d9b288dc5214e8ea6d8a39f73936503e3f6998c4d0212d6e

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