Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c601e7aef0cc457…

MALICIOUS

PDF

50.0 KB Created: 2021-06-07 08:58:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 71a13d11521bddfc8f2744ba1d77c522 SHA-1: 984c9cd7830ea9f093b7b3a527d80087cf0fe8e8 SHA-256: 3c601e7aef0cc4572fa95d65759a007cd41a828d1a6e1c20b6e605f1be4db3d1
200 Risk Score

Malware Insights

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

The PDF contains multiple links designed to lure users into clicking on what appears to be a game hack generator, but redirects to malicious infrastructure. The document impersonates the Amazon brand, suggesting a credential phishing attempt. The embedded URLs and the nature of the lure indicate a phishing campaign likely distributing further malware or attempting to steal credentials.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9849

Heuristics 5

  • 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.
  • Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
    Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://netcdn.tw/app/431946152/how-to-hack-roblox-jailbreak-beginner-game-hack.
  • 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.tw/app/431946152/how-to-hack-roblox-jailbreak-beginner-game-hack In PDF document text
    • http://magnipsor.su/images/free-robux-pins_GM431946152.pdfIn PDF document text
    • http://magnipsor.su/images/tiktok-free-beer-for-a-year_GM835599320.pdfIn PDF document text
    • http://magnipsor.su/images/coin-master-free-spins-deutsch-download-2021-link_GM406889139.pdfIn PDF document text
    • http://magnipsor.su/images/coin-master-link_GM406889139.pdfIn PDF document text
    • http://magnipsor.su/images/legit-coin-master-hack-october-2021_GM406889139.pdfIn PDF document text
    • http://magnipsor.su/images/get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://magnipsor.su/images/free-robux-gift-card-codes_GM431946152.pdfIn PDF document text
    • http://magnipsor.su/images/coin-master-hack-mod-apk-35-8_GM406889139.pdfIn PDF document text
    • http://magnipsor.su/images/coin-master-hack-without-verification-2021_GM406889139.pdfIn PDF document text
    • http://magnipsor.su/images/coin-master-redeem-code-free_GM406889139.pdfIn PDF document text
    • http://magnipsor.su/images/how-to-hack-a-minecraft-server_GM479516143.pdfIn PDF document text
    • http://magnipsor.su/images/get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://magnipsor.su/images/free-coin-coin-master_GM406889139.pdfIn PDF document text
    • http://magnipsor.su/images/coin-master-free-spins--spins_GM406889139.pdfIn PDF document text
    • http://magnipsor.su/images/hack-coin-master-using-cheat-engine_GM406889139.pdfIn PDF document text
    • http://magnipsor.su/images/free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • http://magnipsor.su/images/free-robux-pin-codes_GM431946152.pdfIn PDF document text
    • http://magnipsor.su/images/free-online-minecraft-server_GM479516143.pdfIn PDF document text
    • http://magnipsor.su/images/coin-master-hack-tool-apk-download_GM406889139.pdfIn PDF document text
    • http://magnipsor.su/images/robux-online_GM431946152.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_004_off000050b5.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x50B5 35084 bytes
SHA-256: 6f4bd88c716ec9f9e4ce1f20adcb52db536138624f47a1356d566ac75b2a20fd
font_01_sfnt_off00009f6d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9F6D 18920 bytes
SHA-256: 16d79edcd8ff67609be91d04b22493118b4f05d8774eccf61788828cc4a13c4f

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