Malicious PDF — malware analysis report

Static analysis result for SHA-256 8c27f30cdf7dbad2…

MALICIOUS

PDF

32.4 KB Created: 2021-07-21 05:31:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 56064ddc4d6de42c041b57ab10062b44 SHA-1: 7509d2a2ecc72cb9d81fb7c8d90ad97df5dda653 SHA-256: 8c27f30cdf7dbad27eeecded1e27c20a73ffc9e7c6de5f509b17604b2ea077d8
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links, including one to a known malicious redirector at http://netcdn.tw/app/479516143/minecraft-windows-10-free-with-java-game-hack. The document body and heuristics indicate a lure for game-related cheats or generators, a common tactic for distributing malware. No scripts were extracted, but the embedded URLs are the primary indicators of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9900

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/minecraft-windows-10-free-with-java-game-hack In PDF document text
    • https://www.approachpeople.com/wp-content/uploads/fsqm-files/minecraft-windows-10-hacked-client_GM479516143.pdfIn PDF document text
    • https://www.approachpeople.com/wp-content/uploads/fsqm-files/free-robux-hack_GM431946152.pdfIn PDF document text
    • https://www.approachpeople.com/wp-content/uploads/fsqm-files/minecraft-hack-download_GM479516143.pdfIn PDF document text
    • https://www.approachpeople.com/wp-content/uploads/fsqm-files/how-to-get-free-robux-on-computer_GM431946152.pdfIn PDF document text
    • https://www.approachpeople.com/wp-content/uploads/fsqm-files/free-tiktok-accounts-with-followers_GM835599320.pdfIn PDF document text
    • https://www.approachpeople.com/wp-content/uploads/fsqm-files/robux-matchcomfree-robux_GM431946152.pdfIn PDF document text
    • https://www.approachpeople.com/wp-content/uploads/fsqm-files/free-texture-packs-for-minecraft-pe_GM479516143.pdfIn PDF document text
    • https://www.approachpeople.com/wp-content/uploads/fsqm-files/minecraft-iphone-free_GM479516143.pdfIn PDF document text
    • https://www.approachpeople.com/wp-content/uploads/fsqm-files/coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
    • https://www.approachpeople.com/wp-content/uploads/fsqm-files/how-to-get-free-robux-on-ipad_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_off00002978.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2978 22144 bytes
SHA-256: 7b9a5444c05006d00d9193b80eba8730139eb975d6314b934bfbdc8207ee90ca
font_01_sfnt_off00005a5a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A5A 18972 bytes
SHA-256: ec0d7e7957d6d3ec4a312ebe7c12434b242d64f4f861d318395950ba1ef4cb73

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