Malicious PDF — malware analysis report

Static analysis result for SHA-256 df2b298d9b6f5432…

MALICIOUS

PDF

38.4 KB Created: 2021-05-24 13:17:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 56e71d9347bed4e81209ed2de8d08dcb SHA-1: ad665539178c040ceecb8e777b9212ec2956512e SHA-256: df2b298d9b6f5432a715ceb37c2c952a5b7e5411f2230652cf173697963c3860
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links, including one directly pointing to a malicious redirector disguised as a Minecraft generator. The document body and heuristics indicate a lure to a fake generator, likely leading to malware download or credential harvesting. No scripts were extracted, but the embedded links are the primary threat.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7268

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/479516143/minecraft-login-free-game-hack In PDF document text
    • https://www.flexcable.com/images/universal-minecraft-converter-free_GM479516143.pdfIn PDF document text
    • https://www.flexcable.com/images/coin-master-free-spins-and-free-coins_GM406889139.pdfIn PDF document text
    • https://www.flexcable.com/images/minecraft-free-download-linux_GM479516143.pdfIn PDF document text
    • https://www.flexcable.com/images/get-free-followers-on-tiktok_GM835599320.pdfIn PDF document text
    • https://www.flexcable.com/images/free-24-7-minecraft-server_GM479516143.pdfIn PDF document text
    • https://sigmaclient.info#2In PDF document text
    • https://flux.today#3In PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000032b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x32B2 24680 bytes
SHA-256: 24c496950e57d1b0dd42bf6dbc5bb804a92a373d1c7e1a6b5bc48493b9780bf8
font_01_sfnt_off00006b98.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B98 2884 bytes
SHA-256: 81f45ac24dfec3c01340b88cfc4a0a4b5aa1afaf1718fdb2a66a158506888309
font_02_sfnt_off0000757d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x757D 17996 bytes
SHA-256: a07e2ad8fd79bb30e6fc1ebe6b3b8a9b32aa8410594bf0891ac0147b7718a067

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