Malicious PDF — malware analysis report

Static analysis result for SHA-256 a5ed1d0b9f09c16c…

MALICIOUS

PDF

42.2 KB Created: 2021-05-14 19:47:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: e803c658fafdd1b6842eac6703c650b1 SHA-1: a785f460e327532420b75b145eb01dbb735cc95a SHA-256: a5ed1d0b9f09c16c8c6d9389d9d77af6b9b9235fa93315d0ce655aba3bc94231
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to websites offering game hacks and free currency, identified as malicious redirectors. The document body, though heavily obfuscated, contains references to 'Coin Master Free Coins And Spins Hack' and the primary malicious URL. The presence of embedded URLs and the nature of the lures strongly suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • 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 https://netcdn.xyz/app/406889139/coin-master-free-coins-and-spins-hack-game-hack In PDF document text
    • http://miriammcconnonart.com/images/how-do-i-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://miriammcconnonart.com/images/roblox-speed-hack_GM431946152.pdfIn PDF document text
    • http://miriammcconnonart.com/images/coin-master-game-hack-apk_GM406889139.pdfIn PDF document text
    • http://miriammcconnonart.com/images/minecraft-free-no-virus_GM479516143.pdfIn PDF document text
    • http://miriammcconnonart.com/images/robux-today_GM431946152.pdfIn PDF document text
    • http://miriammcconnonart.com/images/free-coins-and-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://miriammcconnonart.com/images/roblox-robux-hack_GM431946152.pdfIn PDF document text
    • http://miriammcconnonart.com/images/coin-master-free-spins-instagram_GM406889139.pdfIn PDF document text
    • http://miriammcconnonart.com/images/coin-master-hacks-2021_GM406889139.pdfIn PDF document text
    • http://miriammcconnonart.com/images/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://miriammcconnonart.com/images/coin-master-hack-no-verification-no-signup_GM406889139.pdfIn PDF document text
    • http://miriammcconnonart.com/images/plug-toolbox-for-minecraft-free-ios_GM479516143.pdfIn PDF document text
    • http://miriammcconnonart.com/images/free-robux-generator-no-verification_GM431946152.pdfIn PDF document text
    • http://miriammcconnonart.com/images/coin-master-official-website_GM406889139.pdfIn PDF document text
    • http://miriammcconnonart.com/images/hack-coin-master-android-game_GM406889139.pdfIn PDF document text
    • http://miriammcconnonart.com/images/free-robux-that-actually-works-2021_GM431946152.pdfIn PDF document text
    • http://miriammcconnonart.com/images/coin-master-free-spin-links-december-30-2021_GM406889139.pdfIn PDF document text
    • http://miriammcconnonart.com/images/robuxfree-con_GM431946152.pdfIn PDF document text
    • http://miriammcconnonart.com/images/spin-link_GM406889139.pdfIn PDF document text
    • http://miriammcconnonart.com/images/coinmaster-com_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
stream_003_off00004b6b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B6B 24564 bytes
SHA-256: e5ea7215cb0983e0d959841ffbf91a3627b8a3c4a536d37eef21d3a122979fe6
font_01_sfnt_off000082ed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82ED 18228 bytes
SHA-256: 354d04eea8306255969a9ffde93a2dc9fe516d06f825e89064d5817ccb1fcce8

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