Malicious PDF — malware analysis report

Static analysis result for SHA-256 1502d6940d228436…

MALICIOUS

PDF

33.9 KB Created: 2021-07-04 12:47:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 9f0df3a3795f9bd5c2e5c1d1664fd734 SHA-1: 2235f38321a3c054bda2898d9a802d6400c12ad9 SHA-256: 1502d6940d228436c58f4fe688e13de9b845c884e144103405dbd4fffaed096f
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to known malicious infrastructure, specifically promoting 'free generator / game hack' lures. The document body and embedded URLs strongly suggest a phishing or scam attempt designed to trick users into visiting malicious sites. No scripts were extracted, but the presence of malicious redirector links and the ML classifier's high confidence indicate a high likelihood of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.tw/app/479516143/free-minecraft-generator-game-hack In PDF document text
    • http://www.salwangurgaon.com/files/minecraft-gun-games-free_GM479516143.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/free-robux-no-anti-bot-verification_GM431946152.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/robux-free-gift-card-org-hack_GM431946152.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/free-robux-no-human-verification-generator_GM431946152.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/free-robux-2021-no-verification_GM431946152.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/coinmaster-com_GM406889139.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/free-robux-ad_GM431946152.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/coin-master-34-5-hack_GM406889139.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/minecraft-free-no-download_GM479516143.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/free-spins-coin-master-links-blogger_GM406889139.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/coin-master-hacks-free-spins_GM406889139.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/ultimate-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/coinmaster-blogspot_GM406889139.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/can-you-give-me-free-robux_GM431946152.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/how-to-earn-free-robux_GM431946152.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/roblox-hack-game_GM431946152.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/how-to-get-free-gamepasses-on-roblox_GM431946152.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/free-minecraft-account-and-password-2021_GM479516143.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/minecraft-app-store-free_GM479516143.pdfIn PDF document text
    • http://www.salwangurgaon.com/files/video-hacker-roblox-francais_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
font_00_sfnt_off0000305b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x305B 22624 bytes
SHA-256: 5b3dff370f866e020c0a31c48b2318173f27aead65f2bb795402be7e7e7f070e
font_01_sfnt_off000062b3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62B3 17996 bytes
SHA-256: b24aed4a6049523354c5743151cb8067e5a4c116fe9390855627cbe5cb0561b9

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