Malicious PDF — malware analysis report

Static analysis result for SHA-256 262895383139a569…

MALICIOUS

PDF

34.2 KB Created: 2021-07-03 18:24:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 392ff0d254dda421057a25e2e87a04f5 SHA-1: 6a0726f6eabdb1344635d7a81a9bbfee65f226f1 SHA-256: 262895383139a569671e135d711753ca0a1ae9ef8edc5b1ac6d4b92d4a25816c
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to malicious infrastructure, specifically promoting 'free generator / game hack' lures. The primary malicious URL identified is http://netcdn.tw/app/406889139/how-to-get-stuff-that-cost-coins-free-mcpe-master-game-hack. This indicates a phishing or scam attempt designed to trick users into visiting potentially harmful sites. No scripts were extracted, but the embedded URLs and heuristic firings strongly suggest a malicious redirector pattern.

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/406889139/how-to-get-stuff-that-cost-coins-free-mcpe-master-game-hack In PDF document text
    • http://lib.kesdammedan.ac.id//repository/free-minecraft-account-and-password-generator_GM479516143.pdfIn PDF document text
    • http://lib.kesdammedan.ac.id/repository/coin-master-free-spin-and-coin_GM406889139.pdfIn PDF document text
    • http://lib.kesdammedan.ac.id/repository/wahoogaming-co-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.kesdammedan.ac.id//repository/robux-hack-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.kesdammedan.ac.id/repository/free-roblox-neon-rideable-pet_GM431946152.pdfIn PDF document text
    • http://lib.kesdammedan.ac.id/repository/roblox-life-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.kesdammedan.ac.id/repository/roblox-free-fgteev-t-shirt-free_GM431946152.pdfIn PDF document text
    • http://lib.kesdammedan.ac.id/repository/how-to-get-minecraft-bedrock-for-free-with-java_GM479516143.pdfIn PDF document text
    • http://lib.kesdammedan.ac.id/repository/how-to-hack-into-big-brother-roblox_GM431946152.pdfIn PDF document text
    • http://lib.kesdammedan.ac.id/repository/robux-free-co_GM431946152.pdfIn PDF document text
    • http://lib.kesdammedan.ac.id/repository/free-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.kesdammedan.ac.id/repository/free-roblox-accounts-v3rm_GM431946152.pdfIn PDF document text
    • http://lib.kesdammedan.ac.id//repository/cmaster-club-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://lib.kesdammedan.ac.id/repository/fly-hack-in-roblox-vampire-hunters-2_GM431946152.pdfIn PDF document text
    • http://lib.kesdammedan.ac.id/repository/free-coins-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://lib.kesdammedan.ac.id/repository/coin-master-free-soins_GM406889139.pdfIn PDF document text
    • http://lib.kesdammedan.ac.id/repository/how-to-get-free-robux-website-no-verifcation_GM431946152.pdfIn PDF document text
    • http://lib.kesdammedan.ac.id/repository/01-conoce-este-hack-oficial-robux_GM431946152.pdfIn PDF document text
    • http://lib.kesdammedan.ac.id//repository/how-to-hack-robux_GM431946152.pdfIn PDF document text
    • http://lib.kesdammedan.ac.id/repository/roblox-doge-free_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_off00003053.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3053 22412 bytes
SHA-256: 7d2cf3b165010448b9588cfe71b35a0d105f900ad3311349ba63c38287183b7b
font_01_sfnt_off00006215.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6215 18644 bytes
SHA-256: 27c5b0c493246218682d278be1d5b8350beffe41780a09c36db3607ad1c65035